The configuration shown allows to obtain a high voltage gain for FETs. FETs can be BF245 or MPF102. The circuit is from the 1977 National Semiconductor FET Databook.
The photosensor integrated circuit used in this circuit is not common today. It is a device that...
May 2017 - The new series of new polymer conductive capacitors from Panasonic OS-COM is already in...
The circuit in the figure is suggested by Texas Instruments in its optoelectronics manual and...