This interesting constant current source circuit was found in the September 1989 issue of Radio Electronics magazine. The power supply must be dual.
This is the receiver for the previous circuit transmitter. Similarly, no information about the...
This circuit is quite old, from 1964, but can still be mounted with BC558 transistors. The circuit is...
August 2016 - Mouser Electronics already has in stock the new DIO5151 LED Drivers DIO5151 with an...