This TTL circuit has a well-known configuration, having been found in a Radio Electronics magazine from December 1980. The power supply must be 5 V.
This voltage regulator step can be used for a variable source from 0 to 30 V with a maximum output...
This circuit was found in Popular Electronics from February 1967. Transistors are from the period....
In this oscillator circuit using 3 TTL inverters we have all the conditions for the frequency...