This Hughes circuit is from 1968. Equivalent modern components can be used. The input impedance is 1000 M ohm.
) Found in a 90s Linear Technology documentation, this circuit is a fading of video signals and...
This circuit is of an old Argentine magazine of the 70's. The difficulty for its assembly is in...
We found this circuit in the National Semiconductor FETDatabook of 1977. The signal has an...