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Farhan, try adding a square inch of copper PCB tight against the top of the LM380, earthed. The RF could be getting direct into the silicon die. Ian McCrum, MI5AFL

The LM380 takes the earphone out from the codec. If you plug in earphones, the LM380 is cut off. There is no buzz in the earphones, but the buzz in the LM380 continues eve though it is not connected

Farhan, Excellent writeup. This should make many brains to ring. Madhu

Interesting. Perhaps it is being demodulates before that? Where in the line does it first manifest? Gordon

Hi, I can't use the QRcode function with KD8CEC Memory mangaer. I get? " *Error- data file is short* ". Should I maybe register at hamskey? I can't however find any function or a link for that. 73 de

I have to report failure with the current attempt at eliminating the burp from the LM380. I tried putting a 2.2ohms in series with 0.1uf across the speaker as a snubber. I added a bypass on pin 1. I

Ashhar that sounds like a good solution 73 Lou KI5FTY

We are early adopters because of the confidence we have in you! Looking forward to getting mine on Monday! 73 Lou KI5FTY

Thanks Ashhar for this post. I shall now use this LED Tuning Indicator Page - QRPGuys ( https://qrpguys.com/tuning-indicator ) ( https://qrpguys.com/tuning-indicator ) in my QRP station (Hermes Lite 2

Ken, The radio is all point-to-point soldering and large sized components. The performance will suffer it built on a single pcb. I guess someone can try it. The radio needs improvements, it needs cw

What a neat little radio, thanks for sharing. Something like that, if it could be kitted out at $50 or so would make a great club project, but kiting up such a project is way beyond my skill set. I

I had presented an all analog radio at the FDIM this year (not the expected sBitx!). It is a fun radio. No, this will not have kit, you are on your own. The write up is now up on my website at

Can't go wrong with Bender -- '72 Aaron K5ATG

WOW,Never ran that much thru rg6u quad shield. have run consistantly 150 watts thru it when i owned a QRO rig. good for you. I buy mine thru either walmart or homedepot or menards depending on when

Looking to create a consistent set of nextion screens at their native resolution. ?Anybody have a set of drawings in a vector graphics form that can be resized for each platform? ?Only seen

I prefer the attached version. We meatbags had our chance... -- Tom Sevart N2UHC St. Paul, KS

You forgot the Christmas transmission. My son and I visited the site a few weeks ago. The transmitter is started several times during the year. The signals go into a very big dummy load. de 0z9ny,

Here is one of many posts from Allison that are worth reviewing, mentions the 6m 225W power amp she built using 4+4 IRF510's in push-pull. The whole thread is worth a read.

and here is where bias and standby current (class A A/B C) comes into play :-) dg9bfc sigi Am 03.08.2022 um 15:07 schrieb Max via groups.io:

"I also use the quad shield with good results up to about the 800watt level" WOW I consider 20 watts to be high power lol -- '72 Aaron K5ATG