The circuit is from the 1994 National Semiconductor Linear Applications Handbook but can be implemented with more modern operational amplifiers. The power supply must be symmetrical.
Found in a 90s Electronic Design, this circuit provides a highly stable 60 Hz sine signal for...
This circuit is from an American publication of 1977. The tunnel diode admits equivalents and the...
This robot vision circuit was published in the December 1986 issue of Radio Electronics magazine. The...