Indicated for stereophonic sound applications, this circuit was found in the April 1983 issue of Radio Electronics magazine. The indicated circuit is the NE570, launched at the time.
This filter has the components calculated for the frequency of 1 kHz but can be changed. The input...
This capacimeter was obtained in European documentation from the 1980s. The indicator instrument, a...
This circuit was found in the Optoelctronics Sourcebook from Texas Instruments. The circuit has a...