口哨响应电路
作者：dolphin
时间：2011-07-01
下面是 [口哨响应电路]的电路图
材料BOM表：
R1 22K 1/4W Resistor
R2 10K 1/4W Resistor
R3 4M7 1/4W Resistor
R4,R8 100K 1/4W Resistors
R5 220R 1/4W Resistor
R6 330K 1/4W Resistor
R7 47K 1/4W Resistor
R9 2M2 1/4W Resistor
R10 1M5 1/4W Resistor
C1,C5 47nF 63V Polyester or Ceramic Capacitors
C2,C3 10nF 63V Polyester Capacitors
C4,C6 1µF 63V Electrolytic Capacitors
D1,D2 1N4148 75V 150mA Diodes
IC1 4049 Hex Inverter IC
Q1 BC337 45V 800mA NPN Transistor
MIC1 Miniature electret microphone
BZ1 Piezo sounder (incorporating 3KHz oscillator)
B1 2.8 or 3V Battery (see notes)
(责任编辑：电路图) R2 10K 1/4W Resistor
R3 4M7 1/4W Resistor
R4,R8 100K 1/4W Resistors
R5 220R 1/4W Resistor
R6 330K 1/4W Resistor
R7 47K 1/4W Resistor
R9 2M2 1/4W Resistor
R10 1M5 1/4W Resistor
C1,C5 47nF 63V Polyester or Ceramic Capacitors
C2,C3 10nF 63V Polyester Capacitors
C4,C6 1µF 63V Electrolytic Capacitors
D1,D2 1N4148 75V 150mA Diodes
IC1 4049 Hex Inverter IC
Q1 BC337 45V 800mA NPN Transistor
MIC1 Miniature electret microphone
BZ1 Piezo sounder (incorporating 3KHz oscillator)
B1 2.8 or 3V Battery (see notes)
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