This circuit was found in a 1964 Electronic Design. The circuit delays the firing of a load for a time given by RC. The SCR must be in accordance with the controlled load.
This circuit generates 50, 100 and 200 Hz signals from a 2.2768 MHz TV crystal. The circuit can be...
This small power amplifier makes use of an output transformer given its design time. In fact, the...
This resistance meter with the CA3130 was found in an English publication from 1977. The circuit has...