We found this circuit in a 1967 documentation. The integrated circuit and an operational one of the time. Modern equivalents can be tried out. The power supply is symmetrical.
We found this circuit in the May 1989 issue of Radio Electronics magazine. The circuit uses...
This circuit is from 2005 Linear Technology documentation. The circuit applies to 12 V systems and...
The component used in this circuit that we found in an old documentation, is not easy to obtain...