Debouncer circuit (CB21076E)

This circuit uses any trigger function according to the associated logic. The circuit is from an Electronics Now. For TTL the 7414 can be used.

Tube bias control (CB23650E)
In the circuit we have a way of using a transistor to control the polarization of a class B tube...
Preamplifier for Car Radio and Vinil Player (CB1377E)
This preamplifier is recommended by Sanyo and is based on its LA3160 integrated circuit. The...
Signal Conditioner (CB13439E)
This circuit is from a 1973 documentation. In it we have the way of using a FET as an input of...