This circuit was found in the 1992 Radio Electronics Handbook. It is used to test VCR recording heads. It can also be used for other purposes.
This small auxiliary amplifier was found in a Radio Electronics from May 1958. Power is supplied with...
This traditional triplier configuration with the 555 can be found in other articles on the...
Indicated for activation by microcontrollers, this circuit was found in the Radio Electronics...