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 was found in an American documentation from the 60's. The transistors are from the...
This oscillator is indicated for the adjustment of FI of FM radios, having its frequency...
This configuration triggers an external circuit or simply an LED for time given by R1 and C1 (T =...