This is a two-input audio switching circuit. The operational can be of any type and more entries can be added. The power supply must be symmetrical.
The original frequency of the Pierce Oscillator with bipolar transistor is given by the crystal, which...
Of course, the design indicates a specific application for a touch switch. Thus, analyzing the...
This circuit converts signals from the 350 to 500 kHz band to the 4.36 to 4.5 MHz band, enabling...