We found this circuit in a 1998 publication. The circuit has controls for both frequency and signal strength. A lamp is used to monitor the signals. The supply is made with a voltage of 12 V.
This circuit is based on operational ones found in documentation from the 90s. The frequency with...
This circuit was suggested by Linear Technology in a 1980s documentation but can be implemented with...
We found this basic oscillator configuration with two operational in Motorola's 1978...