|
hooray!
The coils in the detector circuit are not for peaking, but for suppressing the IF frequencies and harmonics. They must have continuity to pass the detected video to the first video amp. I think what you see with the coil open is a weird DC clamping effect involving the first video amp grid.
__________________
www.bretl.com
Old TV literature, New York World's Fair, and other miscellany
|