This circuit is from the 1968 ARLL documentation. The MOSFET admits equivalent and the coil determines the operating frequency range being the plug type.
This indicator circuit used and game machines (arcades) to indicate that the machine is being...
We found this configuration in a 1974 technical documentation. It can test both TTL logic circuits and...
We found this circuit in a 1997 documentation. Its purpose is to turn a load on or off using...