Switch Simulator (CB26067E)

This circuit simulates a multi-position switch using programming buttons. The circuit is from an Electroics Now magazine from September 1998.

| Clique na imagem para ampliar |

Solar power supply for tunnel diode (CB23827E)
In the figure we have a way of using a solar cell as a source for circuits with tunnel diodes. The solar...
Graphic Equalizer (CB24554E)
This equalizer was found in the May 1978 issue of Radio Electronics magazine. The component values...
Headphone Amplifier (CB21550E)
This circuit for high-impedance magnetic headphones was suggested as an experimental amplifier for hearing...