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Date Posted: 06:09:07 02/05/02 Tue
Author: Pooter
Subject: Re: AGC sampling added to Rev7t1d2. For Potter and Phil
In reply to: Jain 's message, "Re: AGC sampling added to Rev7t1d2. For Potter and Phil" on 05:06:47 02/05/02 Tue

That's great!
The big satisfaction in reverse engineering is seeing the protectors' weapons turned against them. All the circuit would need is a pullup resistor (say 4k7) to ensure it's sampling by default unless driven low by the PIC. The original Jerrold design uses a dual monostable (4528) to drive this circuit IE when to sample and for how long in relation to the Vsync but I didn't get to observe it in action before the box was disabled.

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