Common gate stage (CB7470E)

This circuit for FET was obtained from a 1977 Radio Handbook. The input impedance is 150 ohm. The output is high impedance.

CMOS Two-Tone Siren (CB18974E)
This circuit can be used as a shield when its supply is 5 V. in this case we can exchange the...
IR Monostable (CB874E)
The duration of the output pulse in this circuit depends on C. This capacitor can have values in...
Easy Tuning Square and Sine Oscillator (CB4927E)
We found this circuit in an American 1980s documentation. The circuit can be assembled with modern...