This circuit was found in a 1967 General Electric manual. It is intended for the control of high voltage Nixie pipes used at the time. SCRs may be equivalent.
This filter is inserted between the interfering device and the interfering device. The coils are...
With this circuit it is possible to obtain a voltage of 24 V using a 12 V regulator. The maximum...
This circuit from a 1995 documentation triggers a set of lamps when the power goes out. In a more...