This circuit was taken from the 1967 General Electric SCR Manual. The circuit can use virtually any unijunction and SCR according to 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 =...