Neon Lamp Drive with Silicon Switch (CB14706E)

This circuit is from the 1977 GE semiconductor manual. The components used are uncommon today.

Capacitive Switch (CB4994E)
This capacitive switch or approximation relay was found in a 1980s US publication. Power should...
Simple Logic Probe (CB5911E)
This circuit uses only two general purpose transistors and can be powered by the circuit under...
Simple FM Transmitter (CB16350E)
The microphone used in this simple FM transmitter is an ordinary small speaker. You speak in front...