This selectivity multiplier circuit for 455 kHz IF receivers was found in American documentation from the 1980s. The circuit requires a symmetrical power supply.
The circuit in the Multisim Blue simulation sources a regulated voltage to loads up to 50 mA. The...
This circuit was found in a PC documentation from 1996. It can be used as a shield with modern...
Based on 74HC digital circuits, this circuit generates signals in three phases. The frequency...