Bell of the Bicycle (the 4th)

Published:2011/6/6 5:12:00 Author:Felicity | Keyword: Bell of the Bicycle (the 4th) | From:SeekIC

Work of the circuit The circuit consists of LPO amplifying outputting circuit (transistor V1,V2, potentiometer RP, resistor R1-R4 and capacitor C) and power circuit (It is showed in picture 7-170.). Press control button S and LPO begins to work. The signalwhich isproduced by LPOdrives HA to make sound “tick” after being amplified by V3. Change the value of RP or C to change the volume.



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