R1 may be 10k and R2 100k. The transistor can be the BC548 and instead of the small lamp we can use a series LED with a 1k resistor. D1 is germanium and C1 is 10 nF. C2 can be 47 nF.
August 2017 - New DTMOS Super Junction MOSFETS from Toshiba are in stock at Mouser Electronics....
In the figure we have the configuration of the circuit as a conventional Darlington. In this...
This circuit is from the 80's documentation. The integrated circuit is from the time but can be...