We found this circuit in an old General Electric documentation. In fact, PUTs are not common components today. The circuit is valid as a reference.
This circuit is from 1987 when there were only analog TVs and stereo sound was still a novelty for this...
This high impedance circuit was found in 1967 documentation by Ferranti. The original operational...
Using 5 V relays, this circuit can be used as a control shield for microcontrollers. The circuit uses...