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You can get an improved raduino from Mike Hagen on this forum Dave

Also consider adding the protection diodes discussed an this page. It will protect Q13 from high power transmitters that will cause Q13 to

Hi Farhan I had sent an email to HFSignals about ordering a seperate Raduino, as I had ordered the Bit40 before Raduino was available. The reply I received was ' Yes. But you have to wait till our

I would say that Q13 is bad. Here is a document that shows approximate voltages to compare (Thanks Randy!). /g/BITX20/files/K7AGE/BITX40%20Voltage%20Measurments.pdf Marco - KG5PRT

hi Josias I'm very calm, but I don't understand why they do not update this information on their site. They could suspend purchases for some time. it makes no sense to continue buying while they are

I forgotten to write in a first message. This transceiver board was NEVER transmit, only receive.

Looks like you have had rf from the other radio connect antenna wire to c6 see if you can receive any think that will test q1 is OK if yes replace burnt tracks near L3/L2 check c4/c5 not shorted if

Thank you for answers. I measure voltages around Q13 and Q14 when transmitting: Q13: collector 11.77 v, base 3.73 v, emmitter 3.07 v Q14: collector 12.02 v, base 1.09 v, emmitter 0.41 v Power of

Thanks for your quick response! ? The Raduino is intact, tunes but not hearing too much at the moment. ? Normal clicks are heard when the tuning pot is moved, and carriers are heard. I tried to

Masaru Don't worry. Chrome will automatically translate it. The contents of the BFO configuration on your blog will be helpful to other uBITX Users. Be sure to change TX Mode to 3 (or 2?) In uBITX

Henning, Thank you for the information. Your data is quite informative. I have bookmarked your link. I don't have an actual radio to test against. I am hoping my ubitx will ship in the next few

Is your 12 V station power from a wall wart transformer ? Try a higher amperage rated transformer or a car battery. Bernie, KC9SGV

Thank you Lee OM. github V1.02 build has very stable and most functions there. Photo etc contents ,My blog here. http://maaberu.moe-nifty.com/howahowa/ (Sorry Japanese only) and... Japan need

Jason. Find the problem together. So far there has been no report on this issue. Regardless of the setting of TX-> RX Delay, it seems that wrong keys have been input. So I would like to ask you

Take a look at the voltages around Q13. That is a weak point as it can fail even if the rig is powered off in the presence of a nearby signal and you may see the base and emitter are at the same

I had to play with my child on the weekend so I confirmed it a little late. My opinion is the same as Mike. I've been asked about similar issues. also i have expierence similar situation. They were

I have a trouble with BITX40 kit from HFSignals. Receiver work great - i hear a lot of stations all over the world. But there are no transmission when pressing PTT. I check currencies al described in

Konstantinos Version 1.02 has not been released yet. All the sources I'm working on are in github. You can also see the 1.02 you are working on there. Too often Release could cause confusion for

Masa. Great!!! You tested everything pretty fast. 1.02 is not in release yet and is working. But you can use it. i have made none critical bug fixes and performance improvements. Wsjtx-Portable is

I had the same reports until I did the BFO adjustment. Mine is set at 11.996.100 for the best 73 Bill