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 circuit uses a resonant reed relay to recognize the frequency of an input signal. Adaptations...
The circuit shown in the figure is suggested by AllegroMicro (www.allegromicro.com) and consists of an...
This circuit generates a 1.46 kHz sine wave with an output ranging less than 1.5% in frequency...