Found in Radio Electronics from the 90s, this circuit has several outputs with different pulse times. The circuit is CMOS and can be powered by voltages from 5 to 15 V.
In the circuit in the figure, when a pulse of light falls on the LDR, the circuit arms with the...
This switched or switched regulator was suggested by Texas Instruments in one of its application manuals....
Using transistorized regulators with NPN and PNP transistors we can create a symmetrical source of...