Voice Cycle Lights (the 2nd)

Published:2011/8/6 21:09:00 Author:Felicity | Keyword: Voice Cycle, Lights | From:SeekIC

Work of the circuit The circuit consists of power circuits, voice circuits, astable oscillator, VCO / count divider and control implementation circuit. (It is showed in picture 1-109.) Power circuit consists of Buck capacitor C6, resistor Rll, voltage regulator diode VS, VD rectifier diode and filter capacitor C5. Voice circuit consists of Piezoelectric ceramics BC, transistors Vl, V2, potentiometer RPl, resistors Rl-R3 and capacitor Cl, C3. Astable oscillator consists of Time-base integrated circuit lCl and resistors R5, R6, and capacitor C2 potentiometer RP2. VCO / count divider consists of Specific integrated circuit IC2 and lighting control resistor R7, capacitor C4. Control implementation circuit consists of Resistor R8-RlO, VLl-VL3-emitting diode and thyristor VTl-VT3.



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