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The piezo-electric transducer using high-impedance high-fide

2015-01-04 06:46  
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The piezo-electric transducer using high-impedance high-fidelity amplifier circuit diagram
The piezo-electric transducer using high-impedance high-fidelity amplifier circuit diagram
The main parameters of the OPA604: In the automatic control system or some detection system, the sensor piezoelectric devices is often used as sensor. So as to realize the power electrical signals. This kind of sensor equivalent sources has very high resistance and the signal is very weak. So it must also be matching high input impedance amplifier circuit, and the amplify circuit must also have the ability to accurately weaken signal amplifier. The figure gives high fidelity op-amp OPA604 constitute amplifier circuit.