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The differential input and differential output amplifying ci

2015-01-04 20:41  
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The differential input and differential output amplifying circuit composed of the INA102
The figure shows the differential input differential output amplification circuit. In some applications, the signal source and the output voltage are not allowed to grounding, at this time, it should use the differential input and output, this circuit differential way can be composed by the INA102 and INA105. The figure shows the circuit comosed of the INA102, andthis kind of amplifier circuit does not need external components. Each INA102 voltage magnification factor is l00, ifit has different phase (voltage amplifier magnification factoris negative and positive), the general voltage amplifier magnification factor is 200. The total output voltage Vo = 200 Vi.