UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Two or three IF stage Chinese radio kits.

G8HQP Dave · 3rd Jan 2017, 5:28 pm

I have just realised that R3, R4 etc. provide not just bias but AGC too. Strong signals could result in the AM detector being biased back too far so significant clipping might be seen.

3rd Jan 2017, 5:28 pm	#20
G8HQP Dave Rest in Peace Join Date: Sep 2008 Location: Solihull, West Midlands, UK. Posts: 4,872	Re: Two or three IF stage Chinese radio kits. I have just realised that R3, R4 etc. provide not just bias but AGC too. Strong signals could result in the AM detector being biased back too far so significant clipping might be seen.