5V to 12V x 50mA Converter (CB26060E)

This circuit with the DCP010512 was found in the August 1998 issue of Electronics Now. The integrated circuit is not very common these days.

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Solar power supply for tunnel diode (CB23827E)
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Graphic Equalizer (CB24554E)
This equalizer was found in the May 1978 issue of Radio Electronics magazine. The component values...
Headphone Amplifier (CB21550E)
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