This circuit was found in a 1969 Ferranti documentation. It can be implemented with modern equivalent transistors and diodes.
This circuit is from Linear Technology 2005 documentation. The circuit is based on company...
This circuit is a variation of the previous one (CIR9748) having an output of 600 ohms. The T1...
August 2016 - Mouser Electronics is already providing new MKR1000 Arduino board, a practical...