This circuit was obtained from an Electronic Design from 1964. Transistors admit modern equivalents and the range of frequencies generated can be changed.
We found this circuit in an American 1980s documentation. The circuit can be assembled with modern...
This circuit was found in a 1970s documentation. The components are from that time, and...
This circuit was found in a 1967s Motorola documentation. The circuit regulates the voltage of an...