We found this circuit in a 1973 documentation. The null adjustment trimpot is 10k. The circuit can be powered by symmetrical sources from 9 V. The diodes on the bridge can be 1N4148.
This signal generator found in Japanese documentation of 1973 uses an unusual integrated circuit...
This circuit was obtained in the publication 101 Electronics Projects of 1979. The circuit can be...
We found this circuit in an old European publication. Integrated circuits are not common today and the...