DC Regulated DC Converter (CB6099E)

This circuit was found in Siliconix documentation from the 1980s. Equivalent operational amplifiers can be used and the output current is very low.

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Low-consumption LM3914 moving point voltmeter (CB25455E)
With a single LED on the scale, this voltmeter has low consumption. The circuit was found in the...
Car Battery Power Supply (CB25689E)
This circuit was found in the February 1994 issue of Electronics Now magazine. The circuit uses 6...
4 sequence pulses generator (CB9254E)
Found in American documentation from 1969, this circuit uses logic inverters to obtain sequences of 4...