Re: Confused about how AGC works?
Jerry I have had great success in hooking up Sunil’s AGC. I could be the poster child. I even determined a better location to grab audio instead of Vol H which is on the relay side of the R70 resistor.toggle quoted messageShow quoted text
I do admit I had a hard time figuring things out in the beginning because of my ‘I’m still learning skillset’ but also because the CD that came with my radio kit could not be read and I only got half of the images and info off of the disk. Then Sunil sent me some links that helped. Tuning the AGC meter was tricky but just follow the instructions again. The AGC is pretty simple. Just hook up the attenuation where Sunil stated in his instructions and you should be good to go, tune the 2kohm variable. Actually you know what. I put a 10k because I thought it wasn’t attenuating enough I even changed one of the resistors before the AGC pot to 15kohm more then what was there. I can get specifics if anyone needs I’m going off memory.
I ended up using coax for my attenuation hookup as that area is sensitive on the board and I was getting RF in from that wire as well as my IF tap for SDR.
Here is a pic before the coax
On Apr 19, 2019, at 2:57 PM, Jerry Gaffke via Groups.Io <jgaffke@...> wrote: