Oscillator HA7210 (CB22402E)

This circuit is from an old documentation and can be used to generate signals in different frequency bands.

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...