Described in an article in the March 1979 issue of Radio Electronics magazine, this generator was used in an audio test station. The frequencies are given by the capacitors.
This circuit allows 220 / 240V shavers to be used in the 110V network. The diodes can be general...
This circuit was obtained from the Audio Handbook of the National Semiconductor of 1977. We can...
This circuit is from Signetics' 80s documentation. The circuit generates 100 kHz signals according...