Found in the April 1995 issue of Electronics Now magazine, this circuit provides an output voltage that is three times the supply voltage. The current is very low.
This PLL circuit includes a small amplification stage. We found it in the December 1989 Radio...
Found in English documentation from the 1980s, this 3 transistors siren directly drives a small...
We found this circuit in a 1995 publication. It makes use of infrared LEDs of the type existing at...