Constituted by the PGA103 programmable gain instrumentation amplifier circuit diagram

  
As shown in FIG constitute grounds PGA103 programmable gain instrumentation amplifier. This circuit uses the PGA205 and PGA103 cascading manner, the total gain of the amplifier
Constituted by the PGA103 programmable gain instrumentation amplifier circuit diagram - schematic

gain is the product of two amplifiers, namely G G1G2. G1 1,2,4,8, G2 1,10,100, choose different logic inputs can choose different gain, maximum gain of up to 800 (other gains were 1,2,4,8,10,20, 40,80,100,200,400).




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