12 V Power Supply (CB24505E)

To power small projects, we found this circuit in the Radio Electronics magazine of May 1977. The transistor must be equipped with a heat sink.

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Digital Voltmeter (CB18145E)
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CMOS Amplifier +1 and -1 Gain (CB15751E)
The interesting circuit shown in the figure, can have its gain digitally controlled and present two...
Three Transistors MW Radio (CB12261E)
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