Found in General Electric and 1967 documentation, this circuit automatically turns off the lighting in a garage after the time set in R1.
This amplifier, with a power that reaches 3 W, according to the power that can be from 9 to 14 V,...
This circuit generates a clock signal of a few megahertz to synchronize TTL circuits. The power is TTL...
This is the conventional protection system for a low resistance analog instrument (millameter or...