The purpose of this 1965 Radio Electronics circuit is to help observe cycloid waveforms on an oscilloscope. The circuit uses only passive components.
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...