This circuit was obtained in a documentation from the National Bureau of Standards of 1968. The circuit is of low current and the output can be changed to voltages between 2 and 30 V.
This small earphone amplifier with germanium transistors was obtained in a Japanese publication from...
This powerful regulator, shown in the figure is for 5V (TTL) is suggested by Motorola and makes use...
We found this circuit in an English publication in 1991. The circuit can be assembled with...