This switching buck regulator with the NE5560 was found in the February 1980 issue of Radio Electronics magazine. The power transistor must be provided with a heat sink.
This timer with integrated circuit 555 was found in a 1977 publication. The transducer is a...
We can obtain the characteristics of an operational amplifier with FET by adding FETs common to the...
This circuit is from an American documentation from 1976. The FET can be the BF245 or MPF102 and...