30-10-2018, 10:52 PM
Hi Trevor,
As I suspected it is a sync cancelled vision AGC system. I don't think this is quite as effective as a back porch sampling system which measures the amplitude of the sync pulses, but nevertheless it is much better than a simple mean level AGC circuit.
Geordie McBoyne.
As I suspected it is a sync cancelled vision AGC system. I don't think this is quite as effective as a back porch sampling system which measures the amplitude of the sync pulses, but nevertheless it is much better than a simple mean level AGC circuit.
Geordie McBoyne.
