Broadband Balanced Mixer MC1556G (CB14563E)

We found this circuit in Motorola's Linear Databook in 1990. The integrated circuit used is no longer common today.

Servo Motor Amplifier (CB12522E)
The circuit shown in figure 1 serves to control a servo motor with a current of up to 200 mA. The...
Reinartz Oscillator (CB25591E)
The L3 coil is what basically determines the resonant frequency, around 1 MHz, in this oscillator found...
Light-Sound Converter (CB10686E)
This circuit was found in a 1973 Radio Elettronica magazine. The Italian magazine no longer...