Voltage reference (CB20820E)

This circuit was found in documentation from the 1980s. The circuit can be designed based on modern components.

Varicap Modulated FM Oscillator (CB13348E)
This circuit can serve as the basis for a small FM transmitter with varicap. We found it in a...
Small experimental amplifier (CB23835E)
This circuit was obtained from the Radio Electronics magazine of August 1962. It is a tandem...
10 A NC Relay Shield (CB6015E)
This 10 A solid state relay was found in a 1980s documentation. It can work as a shield and...