The circuit presented is from the Motorola Linear Databook of 1990. The integrated circuit is a transconductance operating and the power supply need not be symmetrical.
We found this circuit in an English magazine from 1976. The magazine no longer exists, but just...
We found this circuit in a Radio Electronics issue from August 1974. The frequencies generated depend...
This circuit was found in an old American manual. It is intended for testing SCRs and thermistors using...