This circuit uses only transistors and was found in a 2003 documentation. Transistor 2N3055 must be mounted on a heat sink and the voltage is set to R10.
This circuit is suitable for instrumentation applications having been found in an old French...
The short-wired circuit is suggested by National Semiconductor in documentation on the LM3909. The power...
The integrated circuit used in this application is a double 741 from SGS. The supply must be...