This two-microphone amplifier was found in a April 1961 Radio Electronics Magazine. The circuit is powered by battery and has a 600-ohm line output.
This circuit was found in an American documentation. Its purpose is to modify the tuning range of a...
This circuit was found in a Texas Instruments linear application manual from the 1990s. The...
This circuit is from a Maxim manual and can be used to power shields from batteries. The circuit...