This 1969 Electronics World power supply has 5 V to power digital circuits and a 170 V output for Numitron indicator valves used at the time.
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...