We found this circuit in the 1990 Motorola Linear Databook. The circuit must use symmetric source and has 10times the voltage gain.
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...