Found in old documentation, this circuit can be implemented even today with the use of a 2N2646 for the unijunction and a TIC106 for the SCR.
The circuit shown in the figure can be used to detect the operation of infrared sources whose...
We found this circuit in the March 1993 issue of Electronis Now magazine. The circuit uses common...
Figure 1 shows a hal-wave voltage doubler operating with the Power-supply voltage. Output current...