This 1967 Electronics World circuit is suitable for frequencies up to 1 MHz. The setting applies to virtually any junction FET.
The frequency of the square signal produced by this circuit depends on the light falling onto the...
This circuit can be used as a clok in digital applications. Power supply is 5-V and the pins for...
This interface or shield circuit provides an output 1 from 3.3 V logic. The circuit is from old...