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Bridge-transducer-amplifier

2015-01-03 19:10  
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In applications involving strain gauges, accelerometers, and thermal sensors, a bridge transducer is often used. Frequently, the sensor elements are high resistance units requiring equally high bridge resistance for good sensitivity. This type of circuit then demands an amplifier with high input impedance, low bias current and low drift.
Bridge-transducer-amplifier

The circuit shown represents a possible solution to these general requirements.



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