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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100 Hz Notch Filter (CB14844E)
This filter that can use any operational was found in a French documentation from 1982. The power...
Zener Regulated Transistor Power Supply (CB13064E)
In the figure we present an extremely simple circuit of a voltage source regulated by a zener...
Protected Power Supply (CB4667E)
The maximum current of this power supply is 2 A and the output voltage can be set between 6 and 24 V. The...