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I had a similar situation.? It turned out to be my mic jack was slightly loose at the case (the mounting screw was snug but not super tight).? When I plugged the mic in, I was inadvertently (and

Wow! Thanks for that information.

We have two ubitx radios. One runs off a 20v old laptop supply. I made a linear regulator from a 317 to run the main radio at 13.7v and the finals run off of the 20v. I have engineered larger heat

Hi Jack Please add me to the list to purchase a JackAl board. I have bought the 7" display, Teensy 3.6 and audio board etc ready for the project My paypal is keith@... great job thanks! --

Possibly you have ptt and ground reversed on your microphone connection, as I had same symptoms when I did. Disconnect ptt or ground to see if problem goes away. If you are using the case from India,

Hello, solder-melters, I'm experiencing constant clicking from the raduino when my microphone is plugged in. The display indicates it is switching from RX to TX continuously. When I disconnect the

Thanks for the info. ?I know switching supplies are known for being noisy, and I don’t have the test equipment to check how clean the output is. ?Appreciate the advice on your experience. ? Joel

Paddles are sold... thanks for all the interest. -- 72 and God bless KD4EPG

Here using an mfj1317. No performance issues. But as it is warm to the touch, I am doubting its efficiency as a switching supply. As a 30 amp rf worthy supply can be had for less than $100, curious

Some laptop style power supplies are noisy but I have had good luck with 12 volt 30 amp switching power supplies on Amazon for under $20 with Prime.?? Now I have more than enough power to run my 70

I’m sure this has been covered but I would like to know what are the favorite power supply options for the Ubitx. (12v 3a). ?No plans to be portable so either a bench top unit or something I can

I found it, a Plessey SL6270C. Thanks very very much for the schematics with the indication of the easy mod to do on the ubitx. It will make it in the next weekends.

I and a relative both implemented the Nextion screen with the CEC software and have experienced the same issue. Filtering, putting it on a seperate regulator does not solve the problem. The only thing

Excellent! If I have the same part I will follow this schematics. That part is very military and sounds very good on air. [email protected]> ha scritto:

Saw that article last night. Thanks for your report on it's value to you. Get Outlook for Android

I used the circuit straight out of the datasheet, using the 12V TX line for power and a 78l05 regulator. My circuit is attached. Barry

With CEC s/w I have experienced this tone. It is generated by the circuit used to adjust the screen brightness. Click on CW Panel (bottom left of screen), click on screen brightness, I found that

Congrats for the nice construction, excellent case too!!!

Excellent for the VOGAD, you can just whisper and have QSO! I Believe I have a spare Plessey like u used, which circuit have u used? I would be pleased to replicate it! [email protected]> ha

Thanks Jack,? Just ordered one