This circuit appears at various points on this site and in this section and can be designed with almost any operational amplifier. This version is from an American documentation from 1975.
The basic purpose of this circuit is to apply an audio signal to a video carrier for sound and...
We found this circuit in Motorola's Circuit Applications for the Triac 1971 manual. The circuit is for ½...
This circuit for medium and short-wave ranges, according to the transistor used, was obtained in...