This circuit behaves as a voltage controlled resistor and can serve as a small load. The circuit is from a Radio Electronics from July 1988.
This circuit can be used with receivers to attenuate signals that may cause interference. The...
This circuit was adapted from an Italian publication that no longer exists. This is “Onda Quadra”...
This ultra-low power metronome was found in a 1991 documentation. The output transistor is general...