This is a circuit that allows remote activation of a power supply. The circuit was used with a timer of the time. It appeared in the November 1973 issue of Radio Electronics magazine.
This type of circuit is interleaved between a microphone and a transmitter in order to improve the...
The TDA2613 is the mono version of the TDA1521A and has pinouts compatible with an integrated...
This circuit was found in a 1977 CMOS Integrated Circuit Cookbook. The circuit should not be...