We found this mains-powered switch circuit in Electronics Now magazine from July 1994. It could be used in a table lamp or touch control.
This circuit can be used in PLL, frequency synthesizer in FM and VHF receivers, reducing a...
We found this circuit in the National Semiconductor Linear Applications Handbook of 1994. The...
This circuit has a sensitivity of 200 mV providing an RMS power of around 4 W for a load of 8 ohms...