This circuit is used to protect an amplifier from excessive power output that would cause problems for the speakers. The circuit is from the January 1985 issue of Radio Electronics magazine.
This old configuration of an audio amplifier has a push-pull two-transistor output stage. Output...
This bandpass filter has a simple feedback system. The component values can be calculated using the...
This hysteresis comparator was found in the 1994 National Semiconductor Linear Applications...