Found in a 1967 Ferranti documentation, this regulator makes use of an operational amplifier of the time. The output current is only 5 mA.
This circuit hás a Power output of more than 1 W. It is used in small experimental or low power...
This circuit is from a 2005 Linear Technology application manual. The circuit has an on-off...
This circuit was obtained in a 1990 English magazine. The circuit can be assembled with equivalent power...