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Old 06-08-2015, 01:59 AM
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Phil Nelson Phil Nelson is offline
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Join Date: Jan 2006
Posts: 3,954
Quote:
Originally Posted by Gleb View Post
I developed a retrace blanking circuit and installed some sort of it in each antique TV. It's just a simple differentiating circuit which forms rectangular pulses from the vertical sawtooth fall and injects them into the brightness control. Of course, I made it out of vintage components so they are almost invisible in the original circuits.
Would you mind sharing the details of this circuit?

Just curious.

Phil Nelson
Phil's Old Radios
http://antiqueradio.org/index.html
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