AC voltage control (CB8904E)

This circuit was found in a 90s Hands On Electronics. The semiconductor component is a Triac of the time.

Infrared Detector (CB1560E )
The circuit shown in the figure can be used to detect the operation of infrared sources whose...
Alternative RIAA Equalizer (CB25698E)
We found this circuit in the March 1993 issue of Electronis Now magazine. The circuit uses common...
Voltage Doubler (MSB021E)
Figure 1 shows a hal-wave voltage doubler operating with the Power-supply voltage. Output current...