Suggested by Intersil in documentation from the 90's, this circuit is valid for modern operating equivalents, including types that operate with low voltages.
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...