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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Water Alarm (CB12601E)
This circuit from an old 1978 publication uses germanium transistors but can be implemented with...
Composite amplifier (CB6781E)
This amplifier was obtained in a Harris documentation from the 90s. The circuit is high speed with...
Fun Projects for the Experimenter - volume 1
Author: Newton C. Braga Published:August 1, 1998 Formato:Book and e-Book Pages:...