This circuit was obtained from a 1967 GE SCR manual. It is intended for controlling relays responding to a decrease or increase in temperature.
This circuit uses comparators equivalent to LM339 to generate signals of two waveforms whose...
A Reset-Set flop-flop capable of directly controlling a relay or other power load can be...
The circuit shown here can be used to produce low-frequency sine wave signals from CMOS logic. The...