Lead Acid Battery Charger (CB26301E)

This power charger was found in a 1990s issue of Popular Electronics. Integrated circuits must be equipped with a heat sink.

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Regulator with Reference Voltage (CB19409E)
The reference voltage determines the output voltage on this circuit which has a maximum current of 5 A....
Low Pass Filter with Transistors (CB19699E)
This filter of two transistors has the cutoff frequency determined by the formulas next to the...
R1524x Low Current LDO Regulators
July 2017 - Ricoh's new 200mA R1524x voltage regulators are available from Mouser Electronics with...