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Draw the circuit diagram for Instrumentation amplifier using three OP-AMPs. State its advantages and applications.

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Application: 1. Noise eliminator in precision DAS 2. In Medical instrumentation, Navigation, Radar instrumentation e.t.c 3. In Audio applications involving low amplitude audio signals in noisy environments to improve the signal to noise ratio; 4. High-speed signal conditioning for video data acquisition and imaging 5. High frequency signal amplification in cable RF systems.

Advantages: i) Low DC OFF- set ii) High open loop gain iii) High CMRR ratio iv) High stability of gain with low temperature coefficient v) Selectable gain with high accuracy and linearity vi) Low output impedance vii) High input impedance

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Application: 1. In Data acquisition from low output transducers such as strain gauges, Thermocouples, Wheatstone bridge measurements e.t.c 2. In Medical instrumentation, Navigation, Radar instrumentation e.t.c 3. In Audio applications involving low amplitude audio signals in noisy environments to improve the signal to noise ratio; 4. High-speed signal conditioning for video data acquisition and imaging 5. High frequency signal amplification in cable RF systems 

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