This circuit, for frequencies up to 100 kHz, was found in American documentation from 1970. The circuit can serve as a reference for projects with modern equivalent components.
This circuit source a voltage proportional to the number of the input pulses. The circuit has a...
Found in a 1970’s documentation, this circuit uses components of the time, uncommon today. |...
This small regulator with transistors can supply 75 mA currents for charging NiCad rechargeable batteries....