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My Bitx20 delivery was attempted today by DHL and I was out of town. The shipment requires signature. After much searching I found the DHL number for redelivery and waiver of the signature

I forgot to ask, Gordon.? How long were the cables you saw problems with?? And did the loops & ferrites take care of the RFI without having to reduce power?

Thanks, Gordon!? Maybe also a ferrite bead like Jack suggested would help.? Will test if problems.? Good to know what you've seen. Tom AB7WT

And fast blow fuses. Separate fuses for the main board (maybe 1/2 Amp) and finals (2 or 3 Amps).

Jerry, You missed at least one that I've been trying to get fixed from the beginning. The CW jack in the diagram is shown improperly connected. The CW Key line (blue wire) should not go to pin 4 on

I'm not sure anyone has tried this. There isn't any reason why it wouldn't work. I built a receiver several years ago that used the AGC voltage with an S-meter. It wasn't very accurate as far as db

I guess this is the right thread, has a nice generic title. A complaint I have is how wire-up instructions for the uBitx have some glaring errors and omisions.

A good setting is 12.6v for the ubitx, but 13.8 will work also. I would recommend, though, that if your audio chip is the WX version that you put either a 5 or 6 volt regulator feeding it. (see

Yes same question except I have a "voltage adjust". What is a good setting? Randy

Hey guys, I know this is probably obvious to most of you, but I'm just a noob and couldn't find a definitive answer after much Google searching... Is it safe for me to use my current 13.8 v power

Yeah thats correct. I ordered to MPSH10 TO92 form on Saturday to try this. Getting several of my projects mixed up while on the road. Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ

You're not paying close enough attention to directory names and the ino file name. The main file that contains the setup() and loop() routines has to be the same name as the directory name but with

Mike, Keep up the good work. ? I'll be following your reports with great interest. Jack, ?W6VMJ in Fort Collins, CO ?USA

My ubitx ordered January 15. today (March 12) received shipping notice from paypal via indiapost

Perfect. Thanks for that. I will confirm and order some today for mods as soon as they come in. Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ Owner - Operator Big Signal

Hallo ! I have just put together the uBITX40 and had some QSO with good result. Now I try to compile KD8CEC sketch version but also got a lot of errors. I use the file uBITX.20/uBITX20.ino. I have

Dr. Schmidt, It looks like the KST10 is the surface mount version of the KSP10. It has the same specs as the MPSH10. Marco - KG5PRT

All the *3904's in the driver stages are through-hole, the to92's have a much higher max dissipation rating than the sot23's. Jerry

Connecting to the Arduino programming port has caused a lot of RFI pick up in my case, I have to add loops and ferrites & be very careful to avoid problems. If you run into difficulties, turn the

Perfect Glenn. Now if we can find current SMD parts to replace the 3904’s in place, this is a very nice upgrade. Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ Owner -