Re: LM324 AGC Issue
Check R2, probably a wrong value.toggle quoted messageShow quoted text
See if you have an PCB hair line short, hot the board up to a strong back light and see if you spot anything!
At 19/10/2019, you wrote:
Hi I have built up one of the LM324 AGC kits from India and used all the usual sources for circuits and photos to make sure it is installed correctly. The instructions say that there should be 4 volts at PIN 3 on the LM324 but I only have .75 volts maximum.