Found in an American 1980s documentation, this circuit compares signals from two TTL sources, providing an output that depends on the frequency difference. The circuit can be used as a shield.
Using Linear Technology's LTC4252-1, this circuit was found in a 2005 manual. The circuit makes use of...
The mark-space relationship or active cycle of this oscillator can be programmed by the values of...
This simple alarm with integrated CMOS sounds a piezoelectric transducer when the sensor circuit...