This circuit featuring a new quadruple operational amplifier was found in the March 1980 issue of Radio Electronics magazine. The circuit is to be powered by a symmetrical 15 V source.
This circuit was obtained in a 1979 English magazine. This circuit is a treble filter that,...
This configuration applies to common operational amplifiers. This circuit is from the datasheet of the...
This circuit was found in the December 1990 issue of Radio Electronics magazine. It was used in a...