Video Fadder (CB25999E)

This analog video fader circuit smoothly transitions between two signals. It was found in the April 1997 issue of Electronics Now.

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Irrigation Pump (CB18084E)
This circuit is from 2005 documentation. It automatically starts an irrigation pump when the...
Multivibrator with transistors (CB22522E)
This multivibrator circuit was published in the September 1951 Radio Electronics magazine....
1 kHz Band Pass Filter (CB13586E)
This filter has a factor Q = 10 (selectivity), and its frequency can be changed as shown in the...