LED Flasher Unijunction (CB22144E)

The frequency of this circuit depends on the capacitor. The unijunction transistor can be the 2N2646.

Shortwave Calibrator (CB20523E)
aaa The circuit shown generates 100 kHz signals for calibrating the scale of a receiver in 100 to...
Multiplication and sampling circuit (CB8865E)
This circuit was found in a 1968’s General Electric documentation. The circuit uses components from...
LEDs in 110 V and 220 V (CB12804E)
The circuit shown has the advantage over the reductions with resistors to have a much higher...