Ubitx Mods


Categories Audio pop mod, uBitx News Tags audio, VE1BWV. Allows easy fabrication of filter module for uBitX transceiver to block medium wave interference entering the HAM bands. As it comes from the factory this stage, which is powered from 12vdc, is biased to about 1. Introduction. The odd pins connect to the Raduino and audio connectors. uBitx CM2KMK 2017 mod version of PCB. The purchaser needs to assemble the board into an enclosure and wire up sockets, encoder and potentiometer and provide a. Please forward to the…. 12 mhz crystal filter (8 xtals) bi-directional amplifiers rx-tx. Many thanks to Pete Eaton (WB9FLW) who shares the following post: Last March Ashhar Farhan VU2ESE the designer of the very popular BITX20 and BITX40 series of mono-band HF Transceivers announced a new low cost Rig called the uBITX (micro BITX) a full blown 80-10m 10 Watt SSB/CW Transceiver. 0 to NANO adapter card was designed to work specifically with the new uBITX Version 6 with the color touch screen. In order to install as suggested by the folks at uBitX I had to scrape some traces and fold out the inductor leads. Assemble the uBITX transceiver in an hour with just a screwdriver! Upto 10 watts pep on lower HF bands, dips to 5 watts on 28 MHz. uBitx mods The first one while I wait is going to be putting shielding in a plastic container I have the blue display on its way for the radio rather than puke yellow and black. pdf that describes the hardware and software modifications that he performed on his uBITX to free up digital pins on his arduino. Kit Building Committee Report Rich "FluxMan" Mitchell, N3III UBITX - more band coverage. This document does not describe the use of uBITX and uBITX Manager. The add on AGC is a necessity. Not a big deal, the volume control does nicely in most instances, but I find an RF gain control almost a must. The New Easy Bitx SSB TCVR kit for 20/40/80mt is. Mr Carlson's Lab 67,040 views. On this site I hope to pass along information, projects, and ideas to the QRP community. The uBITX is much more than just a multi-band BITX40 (the uBITX covers 80-10 meters); the receiver is much more refined and the difference between the two is not subtle at all. Add all uBITX mods here. The fan I ordered had the wire come out a different spot so I needed another small hole in the “heat sink” for that. After this mods, I fired up the Tx answering to some CQ's and the power-meter showed about 12-17 W PEP on all range (1. Nice visiting this splendid blog. Kit Building Committee Report Rich "FluxMan" Mitchell, N3III UBITX - more band coverage. uBitx Topics. Ashhar Farhan VU2ESE, designer of the uBITx recommends replacing R253 (a resistor) with a 0. net recommends installing an AGC circuit Why include an AGC circuit in your µBITx? The µBITx comes without an Automatic Gain Control (AGC) circuit. uBITX to reduce harmonics and spurs: - A Daughter Board (designed by Gordon Gibby) has been added to the Low Pass Filter circuit, that switches filter inputs and outputs through separate relays, reducing harmonic leakage. Buy It Now +$1. All I have to do is repair it to guarantee it will fail in some insidious fashion. Excellent workmanship in manufacturing. These are the mods and updates that are going into my µBitx. uBitx v5 Changes. If playback doesn't begin shortly, try restarting your device. ino: expanded CAT support for CW and CWR: Nov 30, 2018: ubitx_mods. It covers from 3. Here is the full diagram of the uBITX main board. For more information about the uBITX V6 and a short post about assembling it, check out this post. 8" LCD touch screen is it's replacement. Sent: Thursday, February 07, 2019 12:47 PM To: [email protected] The power connector has 3 leads (Ground, Radio, and PA) to facilitate this mod. Clone with HTTPS. Recommend using a separate. The V2 code allows you to do more stuff, such as adjust the BFO frequency to better align with your crystal filter. Release CEC Firmware v1. If nothing happens, download GitHub Desktop and. It is designed to print to printers, such as lower volume or. 073Beta version as below Since Version 1. There are numerous AGC circuits that constructors have experimented with. I also used some height tilting feet I modded off the original design, and a fan cover I made myself for the fan. Introduction. If you can follow the above, go ahead, wire it up and move on to the tune up instructions. Loving my uBitx and the KD8CEC latest firmware, using 2 arduino's. I'll probably do a firmware mod to get 10 hZ tuning steps with some other way to speed. Another toy at home: UBITX transceiver. W6RAG's ubitx 4 mods and experience with Q90 burnout - Duration: 7:42. Updated ubitx. I needed to get some 680nH smt inductors for my uBITX v3 there are none available in the U. Sold out Discontinued This is the Gordon Gibby Outboard relay mod for the V3/V4 Ubitx radios. uBITX TFT display update 1/10/2018 I had a little time over Christmas weekend while everyone else was watching football to work on the TFT display for the uBITX. uBITX Broadcast Band Filter Construction Manual. This document does not describe the use of uBITX and uBITX Manager. The fan is connected through a switch to power. You will not need to mod the ubitx for anything, but I suggest turning the drive inside the ubitx down so that you peak 5w or you can really over do it and cause some nasty rf. This video shows the evolution of my uBITX,(USING THE VERSION 3 UBITX BOARD, including additions, modifications and comparing two different types of filters I have used with the uBITX. AGC makes for a much more pleasurable experience. Each file cannot exceed 2MB. ZS2LN from South Africa is in the house thank you. Two of these pins are used for the Emic2 text-to-speech module. The µBitx is a HF (3-30MHz) all-band SSB and CW transceiver kit. Has power on and off pushbuttons, and circuit shuts off power when the battery voltage goes too low. I had to use a separate volume control and power switch because the original was too bulky. 5mm stereo chassis part (or chassis part of your choice) Schematic Steps. This ADC samples the receive audio from the top of the volume control and performs a fast…. Joe VE1BWV says he is running a 3. uBITX on the Beach. Following up on proposed uBITX mods: -- Put pot on sidetone line from Raduino to keep the sidetone a bit quieter. May 19,2018. Excellent workmanship in manufacturing. Pcb is made from CM2KMK 2017 mod version. The video below contains most of the examples in this article. This transceiver is Farhan' s uBitx mod - 10 watts, easy to build, general coverage SSB/CW transceiver for HF bands. LP-Bridge (Virtual Serial Port Sharing) Connectors - Part 1. 097, I will release it after a 50-day beta test. Release I2C Type Signal Meter firmware V0. It's a fully analogue radio, but it can be combined with an RTL-SDR to create a panadapter display thanks to a tutorial released by KD8CEC. The uBITX is 10 dollars cheaper (after 12/25) works 80-10 M, does SSB in addition to CW, and is a Superhet to boot! Farhan your hit this one out of the Ballpark! Very cool, Pete!. Some initial mods posted by Arv K7HKL: Adding a rear panel switch to change the RF PA voltage from 12 volts to a higher voltage. It also tunes like one with a proper encoder for tuning instead of. I started to search information about this little radio and found amazed that is very close to what I proposed myself to make! So close that the IF are the same to my personal project! (2) interface (2) marc (2) mods (2) pirates (2). com) -Done adding a better power switch to the front of the rig (complete with LED indicator) -Done adding a […]. io Tue, Feb 5, 10:33 PM (10 hours ago) to bitx20 We have pushed the ubitx v5 into production. The µBitx is a HF (3-30MHz) all-band SSB and CW transceiver kit. The V2 code allows you to do more stuff, such as adjust the BFO frequency to better align with your crystal filter. uBitx v5 Changes. I also used some height tilting feet I modded off the original design, and a fan cover I made myself for the fan. The shaft will need to be cut down to approximately 1 cm in length in order to fit these knobs. Assemble the uBITX transceiver in an hour with just a screwdriver! Upto 10 watts pep on lower HF bands, dips to 5 watts on 28 MHz. Once this was done some careful work with the soldering iron and some fine tweezers allowed me to finish the job. What he found is that RF input signals greater than S9+5dB (-68 dBm) become distorted due to the audio output clipping on the negative side. There are numerous AGC circuits that constructors have experimented with. The uBITX is 10 dollars cheaper (after 12/25) works 80-10 M, does SSB in addition to CW, and is a Superhet to boot! Farhan your hit this one out of the Ballpark! Very cool, Pete!. But it is now working, with a few little issues to work through, and a few mods done to it and a few more to do. radio works as described but transmitting into a dummy load I used another transceiver and did the harmonics check. UBITX usage except GUI is same as existing CEC Firmware. Ubitx is now for sale, I know a few here including me built the bitx40 (40m qrp rig),, now you can buy the ubitx multi band 3-30mhz hf qrp kit for only $109 till xmas, way more functions than the original bitx40!! and just like the bitx40 the main board comes completely assembled so its a pretty easy kit to put together. So here is the why that you should have an in-line fuse on your power cord: The uBitx includes a diode that is soldered across the power connector so that when the power is connected properly the diode is reversed biased --no issues there. 7K resistor to 5v is a must. To cure all these problems I installed a nextion display with Ian Lee, KD8CEC’s Ubitx5 firmware and it worked. installed new filter and coil mods for harmonics and spurs. This frees up 6 Arduino digital pins. uBITX TFT display update 1/10/2018 I had a little time over Christmas weekend while everyone else was watching football to work on the TFT display for the uBITX. This ADC samples the receive audio from the top of the volume control and performs a fast…. Lunga Nqini. CW, RTTY,PSK31, FT8 these are some of my favorite things! This is Eddie. Use CEC version firmware 0. This group exists for constructors of the various BITX projects, to discuss all aspects of the design and construction including problems, components, modifications and experiences using the rigs. I'm running the Arduino ADC in continuous mode at 9600 conversions/sec. You may think that you will never hook up 12v the wrong way round, but none of us is perfect. uBITX Manager is used in the same way. Assemble the uBITX transceiver in an hour with just a screwdriver! Upto 10 watts pep on lower HF bands, dips to 5 watts on 28 MHz. Some may note the screws are a little long, but I already had them, they fit, and do the job. uBITX Broadcast Band Filter Construction Manual. LiPo Battery. I received the feedback from a thankful beta tester and tested it myself by converting my uBITX v3 to v5 but I was not sure. Notes From the Dominican Republic on possible uBITX mods It was really great to have the multiband and CW/SSB capabilities of the uBITX with me in the Dominican Republic. The uBitx CW mods and final assembly, tests and RX and TX light. 8 MHz - 29 MHz). The Raduino pulls aprox 125mA and when you have to 7V (12V - 5V), it has to burn almost 1W of power. BITX20 [email protected] Subject: Re: [BITX20] uBITX - Sensible mods #ubitx According to the Tune-up instructions, the uB idles in SSB at 700ma. The following examples are based on version 0. Nick, just sent you an email from my good email address that goes straight to my phone. CW transmit with the built-in keyer. 6v at the collector. The speaker is fitted with two clamps to hold it,carefully place clamps on the sides of speaker and use the screws provided. ubitx - sketch for the raduino to work with the ubitx transceiver. With the mods in place I can now start the assembly proper. You will need to be logged in to the Group page to access the file. SSB and CW. I'm running the Arduino ADC in continuous mode at 9600 conversions/sec. Universal Case With Nextion 2. Coax Loss Calculator. We are getting same results on both of them. So don't be surprised if you make that mod --it will not turn on your big 1. The CCARC has chosen the uBITX as our first group kit. The ubitx hangs off the top of the case so you can put mods or batteries underneath. The uBITX with Additions, Modifications and Filter The uBitx CW mods and final assembly, tests and RX How to build the uBitx from HfSignals part 2, it w How to assemble the uBitX (MBitX) SSB Radio, with uBitx Wire Up; JS8Call using uBITX radio; LA3ZA Radio & Electronics: Si5351 GPS corrected VF. Universal Case Maroon For uBITX. For best large signal handling, it should be biased to 5v or 6v. er1catwork. Results matching fewer words. Description POPULAR DESIGN LM324 AGC AGC KIT WITH VU METER This Agc circuit is being used in our Bitx kits. I will update the website soon too. Many thanks to QRPer, Pete (WB9FLW), who shares the following sneak peek video of the new IC-705 transceiver from Amateur Logic TV with guest Ray Novak from Icom America: Icom IC-705 All Mode Transceiver - YouTube. UbitX ver 4 Audio amlifire and Tx popfix plus S-meter sensor PCB I have ubitX ver3 working well with SSB and Digital mods Just now om Farhan released ver 4 circuit with new transistorised audio amplifire and Tx popfix circuit,and mods in Rf PA, I decided to apply audio amp and popfix mod to my ver 3 pcb,and also want to upgrade software. uBITx CW Conditioning Adapter This product is discontinued Thanks to Jim Sheldon, W0EB, we have this circuit that eliminates the issue of the erratic keying when using a straight key attached to the uBITx, and improve the use of a mechanical paddle with the internal keyer. com website for the Bitx40 are final but not necessarily correct. I'll show you how to upload a compiled hex file as a second. Add batteries and its low current consumption will make it an ideal travel companion or a great station rig. 8" LCD touch screen is it's replacement. The fan I ordered had the wire come out a different spot so I needed another small hole in the “heat sink” for that. And found one from a radio modem (AX25) in the early days of digital communications. Enter the NXP. The easiest first step to reclaiming arduino Andy KB1OIQ has posted a file on the [BITX20] IO Group files page: kb1oiq_i2c_mod. Copied from and driven by the. ubitx License uBITX Enclosure KE0KHA by mrdav1e is licensed under the Creative Commons - Attribution license. Requires more mods, including one that drives the BFO from the si5351's clk. Not a big deal, the volume control does nicely in most instances, but I find an RF gain control almost a must. 73 Juddie WD8WV. This is a direct solder in AGC for only the Ubitx radios, based off ND6T's design. More than 10 watts up to 10 MHz, 7 watts up to 21 MHz, 2 watts on 28 MHz. ubitx v6 mod. The V2 code allows you to do more stuff, such as adjust the BFO frequency to better align with your crystal filter. 5 Inch Display. For receive just add a stand alone FM strip. Every Day new 3D Models from all over the World. This transceiver is Farhan' s uBitx mod - 10 watts, easy to build, general coverage SSB/CW transceiver for HF bands. After three days of operation on 40 Meters it was clear the uBitx needed some shoes. I made a transition board out of perf-board. Allows easy fabrication of filter module for uBitX transceiver to block medium wave interference entering the HAM bands. May 19,2018. 061 KD8CEC Manual for v1. setup menu. It is also helpful to protect your rig from shorts (when modding the rig) and from IRF510 thermal runaway or parasitic oscillation. Launching GitHub Desktop. If you are using through-hole parts or polarized capacitors like elctrolytics or tantalum, be sure to be sure that the positive end faces the jumpers, the negative ends toward the drains of Q1, Q2, and Q3. uBITX Firmware CEC Version 1. Want to be notified of new releases in afarhan/ubitx ? Sign in Sign up. Connect the CW Key Connector (Straight) to the cable. Sold out Discontinued This is the Gordon Gibby Outboard relay mod for the V3/V4 Ubitx radios. This video shows the evolution of my uBITX,(USING THE VERSION 3 UBITX BOARD, including additions, modifications and comparing two different types of filters I have used with the uBITX. High Pass Filter HPF Mod Board for uBitX Transceiver Allows easy fabrication of filter module for uBitX transceiver to block medium wave interference entering the HAM bands. My uBitx story  This started June 2018 when a work college showed me a radio kit he had ordered. uBITX Transceiver semi-kit build. Pcb is made from CM2KMK 2017 mod version. Harmonics: Many solutions. On this site I hope to pass along information, projects, and ideas to the QRP community. Many thanks to Pete Eaton (WB9FLW) who shares the following post: Last March Ashhar Farhan VU2ESE the designer of the very popular BITX20 and BITX40 series of mono-band HF Transceivers announced a new low cost Rig called the uBITX (micro BITX) a full blown 80-10m 10 Watt SSB/CW Transceiver. net Mod: Add AGC - uBitx 5-6 minutes ubitx. Info below. This rig has been in regular use on forty and twenty meters for a few months at VU2ESE. SSB and CW. 1919 "knobs" 3D Models. A General Coverage HF transceiver kit - No soldering required. Connectors - Part 2. This is the home page's excerpt. Notes From the Dominican Republic on possible uBITX mods It was really great to have the multiband and CW/SSB capabilities of the uBITX with me in the Dominican Republic. v3 Stock uBITx Software Download v4 Stock uBITx Software Download v5 Stock uBITx Software Download KD8CEC uBITx Software Download KD8CEC uBITx Manager Software KD8CEC Manual for v1. Mod 1-Fan Reports on-line indicate lots of heat when increasing PA power on when doing digital modes. But it is now working, with a few little issues to work through, and a few mods done to it and a few more to do. UbitX ver 4 Audio amlifire and Tx popfix plus S-meter sensor PCB I have ubitX ver3 working well with SSB and Digital mods Just now om Farhan released ver 4 circuit with new transistorised audio amplifire and Tx popfix circuit,and mods in Rf PA, I decided to apply audio amp and popfix mod to my ver 3 pcb,and also want to upgrade software. uBITX (this is for all uBITX related information) uBITX Assembly; uBITX Enclosures; uBITX Troubleshooting; uBITX Mods; uBitx Schematics and Errata; uBITX Software; uBITX Spurs and Harmonics. Assemble the uBITX transceiver in an hour with just a screwdriver! Upto 10 watts pep on lower HF bands, dips to 5 watts on 28 MHz. ino: PCF8574 for more buttons and band/step select: Jul 4, 2018: ubitx_keyer. The ubitx hangs off the top of the case so you can put mods or batteries underneath. Installing SWR and RF Power Sensor in uBITX I modified the I2C Type Signal Meter firmware to display SWR when using Nextion LCD in uBITX. The second part of the Cal, also in the 'Preferences' menu, is setting the displayed VFO frequency. Subject: Re: [BITX20] uBITX - Sensible mods #ubitx According to the Tune-up instructions, the uB idles in SSB at 700ma. Round tables don't require a hand on the controls. They are board level changes and external filters. We are an information site only and not associated with HF Signals. I used a 12V computer fan I had laying around. Reply Delete. #N#Radio Battery switch (RBS). I’ve ordered a uBITX, but there are a number of mods in the pipeline. I will update the website soon too. One Reply to “Another audio pop mod” Nikos Magafourakis SV9CVJ says: May 1, 2018 at 12:52 pm. All small SMD parts come pre-loaded with only a handful of parts to install. uBitx, its a nice solution but in kit form. I grabbed a 2. Some 29 years ago in the December 89 / January 90 QST Wes Hayward W7ZOI had an amazing project -- a 20 Meter QRP SSB/CW transceiver. Coax Loss Calculator. After this mods, I fired up the Tx answering to some CQ's and the power-meter showed about 12-17 W PEP on all range (1. Two Essential Add-ons For Bitx and Other QRP Rigs. uBITX (this is for all uBITX related information) uBITX Assembly; uBITX Enclosures; uBITX Troubleshooting; uBITX Mods; uBitx Schematics and Errata; uBITX Software; uBITX Spurs and Harmonics. Reply Delete. Also my encoder skipped frequency when I tried to go fast on tuning. CW transmit with the built-in keyer. Thanks to Steve, N3SB, and Rich, N3III for bringing this together. pdf: * Describes a hardware and software modification to the uBITX Raduino board to convert it to an I2C device. In this version, the main board and the controller/DDS. Thanks for the add just built my Ubitx this week! will be interesting to see what mods can be done 73. 93 shipping. uBITX RF Power and Gain Issues. Look Inside This Rare Receiver! - Duration: 34:55. Page 5 Relays for the above filters. This transceiver is Farhan' s uBitx mod - 10 watts, easy to build, general coverage SSB/CW transceiver for HF bands. The uBitx CW mods and final assembly, tests and RX and TX light. For your information, the uBITX is an all-band HF SSB/CW QRP transceiver that comes tested and nearly ready to use for only $120 delivered. Add all uBITX mods here. It covers from 3. This website is dedicated to the uBITx. The easiest first step to reclaiming arduino Andy KB1OIQ has posted a file on the [BITX20] IO Group files page: kb1oiq_i2c_mod. This morning, the uBITX V6 transceiver was already hooked up to a LiFePo battery on my desktop, so I simply turned it on and started tuning around the 40 meter band, where I had recently logged a few POTA contacts. 2 processor, an attenuator and an auto antenna tuner. Cineva spunea ca FT8 este "singurul mod de a face o legatura si, in acelasi timp, sa servesti cina" si sunt. That would be the basis for the mod I implemented in my uBitx. SOLD OUT-17%. Once this was done some careful work with the soldering iron and some fine tweezers allowed me to finish the job. KJ5VW's Cool uBITX Mods (Video) Nigerian Knack: Hope Emmanuel Frank; FDIM Interview with KI4IO -- Homebrew Direct Conve Woz on the air -- Age 11; FDIM Interview with Hans Summers G0UPL on QSX SDR Pete sent me his SBE-34; Stop what you are doing! Go to the Radio Garden! Another Amazing SSB Rig: VK3HN's "Summit Prowler. 00; Universal Case Blue & White For uBITX. This frees up 6 Arduino digital pins. Eddie loves to be QRM, well cat made noise in the shack. uBITX Manager is used in the same way. Welcome to my corner of the QRP world. uBITX QRP Transceiver Kit. The uBITX is 10 dollars cheaper (after 12/25) works 80-10 M, does SSB in addition to CW, and is a Superhet to boot! Farhan your hit this one out of the Ballpark! Very cool, Pete!. I calibrated my uBITX (v6) today and made my first SSB QSO with the rig. The V2 code allows you to do more stuff, such as adjust the BFO frequency to better align with your crystal filter. 5mm phono mic jack was ditched for a GX16 mic connector. We are getting same results on both of them. For more information about the uBITX V6 and a short post about assembling it, check out this post. The uBITX shoots to fulfill such a need. The uBITX is a US$129 HF SSB/CW QRP transceiver kit that works from 3 MHz to 30 MHz with up to 10W TX power. VK3UKW [Adv] 3 points · 4 months ago. Instead of the code saying "I want to know what the user is doing with the encoder, let me sit here and spend 200ms watching the encoder wheel to see whether it's turning. I'll show you how to upload a compiled hex file as a second. hmi code for the larger screen by the end of the week. The uBITX V6, winter weather and power outages 13 Replies Yesterday, a weather front moved through the area that dropped temperatures from an unseasonably high of 50F to 25F in the space of a couple of hours. I had two cases but only one survived. Page 4 Chebychev Low pass filters, 0. Mic Connector XLR 1, PCB For USB connector 1, USB Connector , D9 Connector 1, Stereo Connector PCB Mount 2, Universal Case For ubitx 1, and a Front Panel 2. uBITX Manager is used in the same way. The µBITX presents some challenges with RF AGC system design: There is no RF preamplifier to use as a voltage-controlled attenuator, it is broadband and includes no tuned circuits in the receive path, and the intermediate frequency amplifiers are not configured for variable gain. This knob is designed to work with the stock encoder, and is friction-fit (no set screw). In this version, the main board and the controller/DDS. TNX for add G0CWA. Travelogue! Dominican Republic trip. I've got my ubitx radio kit, and finals are over now My plan is to build the kit stock first to make sure it actually works at all. 1 includes all additions or improvements from 1. The store page has been removed till we resume shipping. uBITX Firmware CEC Version 1. Installing SWR and RF Power Sensor in uBITX I modified the I2C Type Signal Meter firmware to display SWR when using Nextion LCD in uBITX. Icom IC-705 All Mode Transceiver. 061 KD8CEC Manual for v1. 0 is transmitted at a fixed frequency. Ubitx V3/V4 Outboard Relay mod. ubitx wiring to be done. Eddie loves to be QRM, well cat made noise in the shack. The shaft will need to be cut down to approximately 1 cm in length in order to fit these knobs. This frees up 6 Arduino digital pins. Release CEC Firmware v1. I needed to increase the height by 2mm to make my uBitx fit. What it does require is a 3-conductor rear panel power connector, or. Nick, just sent you an email from my good email address that goes straight to my phone. This knob is designed to work with the stock encoder, and is friction-fit (no set screw). Use other posts or manuals. The µBitx is a HF (3-30MHz) all-band SSB and CW transceiver kit. 1 product rating - 4pcs smd 680nH inductor size 1210 B82422T1681K 680nH1210 EPCOS for uBITX $1. 074000, it will be received at SDR of 37. Based on Arduino Nano controller. This ADC samples the receive audio from the top of the volume control and performs a fast…. We are getting same results on both of them. This sure makes the uBITX look the part in the shack. The speaker is fitted with two clamps to hold it,carefully place clamps on the sides of speaker and use the screws provided. Sunil Kumar Lakhani on Pictures Of uBitx Case Sunil Kumar Lakhani on Nextion Display Case For uBitx Sunil Kumar Lakhani on Universal Case With Nextion 2. uBITX arrives and Assemble - ordered a week ago arrived via DHL. Sent: Thursday, February 07, 2019 12:47 PM To: [email protected] I will update the website soon too. A BCI receive filter for the uBitx (with no toroids or SMDs) W6RAG's ubitx 4 mods and experience with Q90. Other fIxes that seem to work: Raj and others have experimented with and tested possible solutions. Nick Strong. Release CEC Firmware v1. Here is the full diagram of the uBITX main board. uBITX TFT display update 1/10/2018 I had a little time over Christmas weekend while everyone else was watching football to work on the TFT display for the uBITX. I've built the entire receive chain for the bitx20 with some mods for 40m. This is where I will add the uBitx mods I do to my rig. It is a compact, single board design that covers the entire HF range with a few minor trade-offs. Complete with all the missing fittings, speaker, knobs, USB, SO239, mic skt, etc (the full list of parts is on the website). uBITX Mods & Fixes. ubitx - sketch for the raduino to work with the ubitx transceiver. Firmware for the version 5 of the ubitx. uBitx, its a nice solution but in kit form. Need information about the previous version of uBITX?. The only additions I'll do before the first power up are the two fuses they suggested adding for obvious reasons. The uBitx CW mods and final assembly, tests and RX and TX light. Clone with HTTPS. 091, uBITX Firmware release. io Subject: Re: [BITX20] uBitx V4 Audio extremely quiet and other needed mods#ubitx Bill, I thought that too, which is why we wired up the second one to test. 8, If you want something stable, use V 0. radio works as described but transmitting into a dummy load I used another transceiver and did the harmonics check. Can digital modes be used on a ubitx? I'm currently waiting on my ubitx, I'm pretty new to the whole build it yourself world and I wouldn't say I'm electronically literate, but I'm excited. 000000 Mhz and the frequency displayed on the uBITX LCD window is 7. 200 for uBITX All Version (include v2, v3, v4, v5) I did the firmware work for v5 when uBITX V5 was released, but I release it now. So Im excited to say I ordered both the case and the radio. The uBITX is 10 dollars cheaper (after 12/25) works 80-10 M, does SSB in addition to CW, and is a Superhet to boot!. 8" LCD touch screen is it's replacement. One Reply to “Another audio pop mod” Nikos Magafourakis SV9CVJ says: May 1, 2018 at 12:52 pm. Universal Case With Nextion 2. This morning, the uBITX V6 transceiver was already hooked up to a LiFePo battery on my desktop, so I simply turned it on and started tuning around the 40 meter band, where I had recently logged a few POTA contacts. Anti-hiss LM386 mod. Recommended fixes and mods. v3 Stock uBITx Software Download v4 Stock uBITx Software Download v5 Stock uBITx Software Download KD8CEC uBITx Software Download KD8CEC uBITx Manager Software KD8CEC Manual for v1. 1 uBITX firmware for Nextion LCD. The shaft will need to be cut down to approximately 1 cm in length in order to fit these knobs. This transceiver is Farhan' s uBitx mod - 10 watts, easy to build, general coverage SSB/CW transceiver for HF bands. com website for the Bitx40 are final but not necessarily correct. This document does not describe the use of uBITX and uBITX Manager. The first one while I wait is going to be putting shielding in a plastic container for my rig while I wait for it. Complete with all the missing fittings, speaker, knobs, USB, SO239, mic skt, etc (the full list of parts is on the website). After three days of operation on 40 Meters it was clear the uBitx needed some shoes. Remove C50 and C63 from the uBITX board and solder them onto the new board. This is a custom volume control knob designed for the uBITX transceiver, a general coverage ham radio transceiver designed by VU2ESE. 0 to NANO adapter card was designed to work specifically with the new uBITX Version 6 with the color touch screen. These were both previously published in The Spectrum Monitor magazine earlier this year. In particular, click on the BITX20/album link to see the spectrum analyzer plots of the transmitter output. This sure makes the uBITX look the part in the shack. uBITX Firmware CEC Version 1. 5 KW amp in CW. New pull request. The screen board is just a bit off, and my jacks for the phones, mic and key needed a hair more too. I chose an 8-pin because most mics I have use this. Allows easy fabrication of filter module for uBitX transceiver to block medium wave interference entering the HAM bands. We are an information site only and not associated with HF Signals. Other fIxes that seem to work: Raj and others have experimented with and tested possible solutions. New QRP-uBITX in the shack - III - Transmitter section mods OK, it was the time to see how the TX section of the uBITX is. 5mm jack, so could I just plug my computers audio output into that and get on digital?. net, and I'm a little overwhelmed. To make the necessary connections between Nextion LCD and Raduino TFT board I used a 90 degree male header, pins attached to TFT LCD female header. Universal Case DA Grey $ 45. The uBitx although not without faults and gremlins is "new" , is DC to 30MHz , is up to 10 watts (more like 6-8) and $139. The purchaser needs to assemble the board into an enclosure and wire up sockets, encoder and potentiometer and provide a. So I installed a fan in the lid. uBITX on the Beach. SSB and CW. The walls are 4mm thick and the case comes with standoffs to secure the pcb to the enclosure along with the rails. Take a look at the site dedicated to tracking mods and get on the mailing list. ino: Initial Commit: May 22, 2018. 1 uBITX firmware for Nextion LCD. Contribute to afarhan/ubitx4 development by creating an account on GitHub. I got a chance to do some work on the uBITX build over the weekend. The µBITX is a general coverage HF SSB/CW transceiver kit with features you demand for operating ease, convenience and versatility. When I received my UBITX V6 from HF signals first thing I noticed was the slow display refresh rate. But it is now working, with a few little issues to work through, and a few mods done to it and a few more to do. W6RAG's ubitx 4 mods and experience with Q90 burnout - Duration: 7:42. 1-I removed the stock TFT and replaced with Nextion 2. The software options are great and with the CEC software setup as a FT-817 you can cat everything in HRD or the wspr software. To cure all these problems I installed a nextion display with Ian Lee, KD8CEC's Ubitx5 firmware and it worked. Round tables don't require a hand on the controls. 8" touch screen display, an AGC circuit added to it, adjustable mic gain control with a tad bit of compression, S-meter, and audio amplifier board to improve performance when driving a speaker. To make the necessary connections between Nextion LCD and Raduino TFT board I used a 90 degree male header, pins attached to TFT LCD. CW, RTTY,PSK31, FT8 these are some of my favorite things! This is Eddie. I used a 12V computer fan I had laying around. I will update the website soon too. The µBITx comes without an Automatic Gain Control (AGC) circuit. 5 dB ripple for the external linear amp I posted previously. The case comes predrilled, with the cut out of the panel for the frequency display, ready to house the uBITX PCB. High Pass Filter HPF Mod Board for uBitX Transceiver. net recommends installing an AGC circuit Why include an AGC circuit in your µBITx? The µBITx comes without an Automatic Gain Control (AGC) circuit. This is the home page's excerpt. qrp hf ssb/cw 160 -10 meter transceiver ubitx from india, ashhar farhan vu2ese. With the mods in place I can now start the assembly proper. ino: expanded CAT support for CW and CWR: Nov 30, 2018: ubitx_si5351. If you are using through-hole parts or polarized capacitors like elctrolytics or tantalum, be sure to be sure that the positive end faces the jumpers, the negative ends toward the drains of Q1, Q2, and Q3. Instantly improved harmonic suppression by about 10dB for me. TNX for add G0CWA. They are board level changes and external filters. 073Beta version as below Since Version 1. These are documented here on ubitx. The µBitx is a HF (3-30MHz) all-band SSB and CW transceiver kit. First contact of the new year. Original Poster 1 point · 4 months ago. The fan I ordered had the wire come out a different spot so I needed another small hole in the “heat sink” for that. I received my uBitX kit on the 19th of December but as I was finishing up work, I didn’t have much time to work on it. com)-Done Upgrading the firmware to the KD8CEC firmware/Memory Manager (hamskey. uBitx Topics. See the thread here for his experiences with a range of AGC mods. pdf that describes the hardware and software modifications that he performed on his uBITX to free up digital pins on his arduino. If you use CW Paddle, use a different resistor value. Another toy at home: UBITX transceiver. Two of these pins are used for the Emic2 text-to-speech module. This email address here doesn't get checked that often. Mine has the 2. The New Easy Bitx SSB TCVR kit for 20/40/80mt is. In order to install as suggested by the folks at uBitX I had to scrape some traces and fold out the inductor leads. Some additional materials needed: 12vDC SPST rectangular rocker. In this post I am going to discuss two very simple but very essential add-ons for Bitx and other similar type of QRP sideband rigs. The following examples are based on version 0. The 7505 on the Raduino is getting to hot to my idea and adding a small heatsink doesn't make the cut either. After this mods, I fired up the Tx answering to some CQ's and the power-meter showed about 12-17 W PEP on all range (1. com) -Done adding a better power switch to the front of the rig (complete with LED indicator) -Done adding a […]. 1 is the first major release since 1. horrible on all bands 2,3,4,5,6, harmonics would peg. Cost may seem a bit high but the relays and US supplier parts are not cheap at this moment. A speaker driver, a fan, and a transmit/receive switch were added for quiet clean cw operation. radio works as described but transmitting into a dummy load I used another transceiver and did the harmonics check. SOLD OUT-17%. Just remember this :. He will be releasing the 7 inch. Hex files for various LCD since 1. The uBITX with Additions, Modifications and Filter The uBitx CW mods and final assembly, tests and RX How to build the uBitx from HfSignals part 2, it w How to assemble the uBitX (MBitX) SSB Radio, with uBitx Wire Up; JS8Call using uBITX radio; LA3ZA Radio & Electronics: Si5351 GPS corrected VF. Reply Delete. Ubitx is now for sale, I know a few here including me built the bitx40 (40m qrp rig),, now you can buy the ubitx multi band 3-30mhz hf qrp kit for only $109 till xmas, way more functions than the original bitx40!! and just like the bitx40 the main board comes completely assembled so its a pretty easy kit to put together. If you can follow the above, go ahead, wire it up and move on to the tune up instructions. Be Creative!… Don't be a "Passive Consumer" of someone else's imagination. If nothing happens, download GitHub Desktop and. Reverse polarity is damaging to your uBITx. - A 45 MHz filter and small impedance transformer (mod designed by Warren WA8TOD) have been added to. Other fIxes that seem to work: Raj and others have experimented with and tested possible solutions. I have a "cursed" Uniden HR-2510. The first is to compile the source from the Arduino IDE, and the second is to upload the compiled hex file using the Firmware Upgrade Tool. 200 for uBITX All Version (include v2, v3, v4, v5) I did the firmware work for v5 when uBITX V5 was released, but I release it now. Travelogue! Dominican Republic trip. This morning, the uBITX V6 transceiver was already hooked up to a LiFePo battery on my desktop, so I simply turned it on and started tuning around the 40 meter band, where I had recently logged a few POTA contacts. A number have gotten them on the air. Use other posts or manuals. My uBitx story  This started June 2018 when a work college showed me a radio kit he had ordered. Updated ubitx. A BCI receive filter for the uBitx (with no toroids or SMDs) W6RAG's ubitx 4 mods and experience with Q90. add an AGC. It looks like the mic input on the radio is just a standard 3. So here is the mod. And found one from a radio modem (AX25) in the early days of digital communications. Excellent workmanship in manufacturing. For best large signal handling, it should be biased to 5v or 6v. BITX20 [email protected] Anti-hiss LM386 mod. 0, which is a semi-kit, priced at $129 plus optional DHL 3-day delivery for an additional $10. I needed to get some 680nH smt inductors for my uBITX v3 there are none available in the U. Notes From the Dominican Republic on possible uBITX mods It was really great to have the multiband and CW/SSB capabilities of the uBITX with me in the Dominican Republic. Loving my uBitx and the KD8CEC latest firmware, using 2 arduino's. He then goes on to talk about some of the variances and essential hacks. A speaker driver, a fan, and a transmit/receive switch were added for quiet clean cw operation. 8″ display to Ubitx V6: ubitx v6 TFT RADUINO BOARD SCHEMATIC. Ashhar Farhan VU2ESE, designer of the uBITx recommends replacing R253 (a resistor) with a 0. Need information about the previous version of uBITX?. In order to install as suggested by the folks at uBitX I had to scrape some traces and fold out the inductor leads. I chose an 8-pin because most mics I have use this. If you use CW Paddle, use a different resistor value. This is a simple idea to apply ubitx ver 4 audio amplifire, Tx popfix and S-meter sensor(LM386)by Lee to ubitx ver3 pcb all details and pcb design are on my blog, vu2kyz. I am adding a Nextion 3. If nothing happens, download GitHub Desktop and try. Click to find the best Results for knobs Models for your 3D Printer. Probably nobody has tried out more AGC mods on this rig than John VK2ETA. uBitx v5 Changes. It's an ingeniously designed multiband HF CW/SSB transceiver built on a circuit board approximately 15 x 15 cm. CW transmit with the built-in keyer. Thanks to Steve, N3SB, and Rich, N3III for bringing this together. Please forward to the…. Tips and Mods; Tips and Tricks; uBITX; uBITX AM BCI Filter; uBITX Assembly; uBITX Enclosures; uBITX Firmware CEC by KD8CEC; uBITX Mods; UBITX PTT POP Fix; uBITX Reverse Polarity Protection; Ubitx Schematics; uBITX software; uBITX spur and harmonics; uBitx spur fixes; UBITX Touch Control TFT Display; uBITX Troubleshooting; uBitx v5 Changes. Has power on and off pushbuttons, and circuit shuts off power when the battery voltage goes too low. The uBitx although not without faults and gremlins is "new" , is DC to 30MHz , is up to 10 watts (more like 6-8) and $139. The ubitx is a great low cost choice for sure. Every Day new 3D Models from all over the World. Joe VE1BWV says he is running a 3. Reverse polarity is damaging to your uBITx. For your information, the uBITX is an all-band HF SSB/CW QRP transceiver that comes tested and nearly ready to use for only $120 delivered. SOLD OUT-17%. ino: Initial Commit: May 22, 2018. UBITX usage except GUI is same as existing CEC Firmware. To cure all these problems I installed a nextion display with Ian Lee, KD8CEC's Ubitx5 firmware and it worked. 5 Mhz to 30 Mhz with 10 watts power uBITX transceiver. This email address here doesn't get checked that often. Then there's the modifications. installed nextion 3. Jerry KE7ER notes that the schematics on the hfsignals. I had to use a separate volume control and power switch because the original was too bulky. Just remember this :. This is a custom volume control knob designed for the uBITX transceiver, a general coverage ham radio transceiver designed by VU2ESE. uBITX Mods & Fixes. uBitx Topics. uBitx Case Blue. Release I2C Type Signal Meter firmware V0. Has power on and off pushbuttons, and circuit shuts off power when the battery voltage goes too low. High Pass Filter HPF Mod Board for uBitX Transceiver Allows easy fabrication of filter module for uBitX transceiver to block medium wave interference entering the HAM bands. Universal Case Maroon For uBITX. Fixes in uBitx v5 Boards: uBitx v5 Changes. Both branches are being actively developed. I/O JP2 and JP3 plug into connectors soldered on the underside of the uBitx. 07 (Without instruments) (Maybe SSB will have slightly improved transmission performance) This document is intended for uBITX users who use CEC Firmware. uBITX is pre-assembled with most parts as SMD. uBITX Broadcast Band Filter Construction Manual. Posted on December 30, 2017 January 19, 2018. at an economical price. Eddie loves to be QRM, well cat made noise in the shack. com via groups. The uBITX is a dandy little QRP rig and a lot of fun to mod and hack. Universal Case DA Grey $ 45. The ubitx pcb is slightly larger then the bitx40 pcb. Launching GitHub Desktop. Sold out Discontinued This is the Gordon Gibby Outboard relay mod for the V3/V4 Ubitx radios. The ubitx hangs off the top of the case so you can put mods or batteries underneath. Each file cannot exceed 2MB. Portable Groundplane Antennas. to uBITX and the other will upload to Nextion LCD. You can also replace the 1K resistor at R250 with a 10 K resistor to increase the sidetone volume. uBITX Transceiver semi-kit build. Categories Audio pop mod, uBitx News Tags audio, VE1BWV. • UBITX BUY • Order µBITX with Raduino for $129 with free shipping ($10 extra for DHL Shipping), normal shipping via INDIA POST thru Europe 4-5 weeks • Ships within 5 working days from the date of order. The uBITX may become one as well and like the HW-8 there will be (and already are) all sorts of mods/additions one will be able to do. Categories Audio pop mod, uBitx News Tags audio, VE1BWV. So don't be surprised if you make that mod --it will not turn on your big 1. 0 to NANO adapter card was designed to work specifically with the new uBITX Version 6 with the color touch screen. Every Day new 3D Models from all over the World. ubitx functional diagram. 25 or later of uBITX. ND6P came up with this mod after testing his uBITX on the bench to determine how much signal it could handle before distorting at the speaker due to clipping of the audio signal. Yes, the 4. The V2 code allows you to do more stuff, such as adjust the BFO frequency to better align with your crystal filter. Metal enclosures for our various projects. Be Creative!… Don't be a "Passive Consumer" of someone else's imagination. Complete details on the working of the AGC and schematic details are available in the download page. 8″ TFT display. to uBITX and the other will upload to Nextion LCD. Discussion in 'Amplitude Modulation' started by W8KHK, Dec 27, 2019. With the mods in place I can now start the assembly proper. add an AGC. literally all the ubitx needs to fix the spurs is replacing the LPF relays with name brand ones instead of the cheap ones, which is a roughly 6€ mod. After this mods, I fired up the Tx answering to some CQ's and the power-meter showed about 12-17 W PEP on all range (1. However, so that everybody who also has a BITx40 doesn’t miss out entirely on. A General Coverage HF transceiver kit – No soldering required. Add to Wishlist Compare. Mr Carlson's Lab 67,040 views. 072 BITx hacks uBITx video guide series uBITx YouTube Playlist. The cover can be placed with the speaker in the front or back side of the case. the V4 boards. I've built the entire receive chain for the bitx20 with some mods for 40m. You will not need to mod the ubitx for anything, but I suggest turning the drive inside the ubitx down so that you peak 5w or you can really over do it and cause some nasty rf. TNX for add G0CWA. So I installed a fan in the lid. Jerry KE7ER notes that the schematics on the hfsignals. The uBITX (Micro-BITX when spoken aloud), is an SSB and CW transceiver that covers all of the HF amateur bands, and like the original is designed for the home constructor on a budget. pdf that describes the hardware and software modifications that he performed on his uBITX to free up digital pins on his arduino. They are board level changes and external filters. I've got my ubitx radio kit, and finals are over now My plan is to build the kit stock first to make sure it actually works at all. Some other uBITX hardware mods as well. uBitx v5 Changes. uBITX RF Power and Gain Issues. Once this was done some careful work with the soldering iron and some fine tweezers allowed me to finish the job. The uBITX is a US$129 HF SSB/CW QRP transceiver kit that works from 3 MHz to 30 MHz with up to 10W TX power. What it does require is a 3-conductor rear panel power connector, or. Allows easy fabrication of filter module for uBitX transceiver to block medium wave interference entering the HAM bands. Bought my ubitx kit last year. Just a quick response to show how easy it is to install the Nextion screen 4 wire cable comes with the display Red 5+ volt , Gnd. Has power on and off pushbuttons, and circuit shuts off power when the battery voltage goes too low. Variable filter bandwidth mod. 072 BITx hacks uBITx video guide series uBITx YouTube Playlist. It is supplied as a completely pre-populated and tested circuit board by the manufacturer (trading as HF Signals). One of the challenges with the µBITx transceiver is that there is a very active community of fixers and modders. Other fIxes that seem to work: Raj and others have experimented with and tested possible solutions. This email address here doesn't get checked that often. 0 to NANO adapter card was designed to work specifically with the new uBITX Version 6 with the color touch screen. Fixes in uBitx v5 Boards: uBitx v5 Changes. It is designed to print to printers, such as lower volume or. Author Topic: uBITX (Read 1486 times) 0 Members and 1 Guest are viewing this topic. Still even more Hacking of the Bitx40! 1/7/2017 ~ Dress up your OLED Display! Same code works for the Color or Black and White OLED So there is no reason why your Bitx40 cannot have the finished feature rich appearance just like those kilobuck black boxes. This rig has been in regular use on forty and twenty meters for a few months at VU2ESE. My uBitx story  This started June 2018 when a work college showed me a radio kit he had ordered. 5mm jack, so could I just plug my computers audio output into that and get on digital?. The uBITX is 10 dollars cheaper (after 12/25) works 80-10 M, does SSB in addition to CW, and is a Superhet to boot!. 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