Solar timer (CB20498E)

This very low consumption circuit can be powered by a solar cell. The time indication is given by a microammeter.

MDS AC DC adapters for Medical Use (COM062E)
August 2016 - It can be obtained from Mouser Electronics MDS adapters for medical use from Delta...
Simple long wave converter (CB5931E)
This converter converts a signal in the 200 kHz to 3.8 MHz band into frequency signals that can be...
MOSFET VHF Amplifier (CB4225E)
This circuit uses a dual gate MOSFET and was found in an American 1980s documentation. The same...