This circuit was found in a 1968 documentation. The circuit generates three rectangular signals from a 400 Hz sinusoidal input. The circuit is suitable for applications in power controls.
We found this circuit in an old English documentation. Transistors support modern equivalents. The circuit...
This circuit was found in a 1968 documentation. The circuit generates three rectangular signals...
This 1995 documentation circuit detects when an extension on a phone line is active. Adjustment of the...