This Nixie pipe circuit was found in 1965 documentation. Note the high supply voltage. Appropriate transistors of the time were used.
This circuit controls a relay in a bistable way by touching the sensors type NF (CH3) and NO...
This circuit produces modulated tones in a loudspeaker. The effects can be adjusted by the...
This is a simulation of a Relaxation Oscillator using a programmable unijunction transistor (PUT). The...