Using a 4-layer diode, an unusual component today, this circuit was found in an American documentation from 1964. The circuit can be tested using a diac.
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...