Instrumentation amplifier

@kaladhar

9 years ago

https://everycircuit.com/circuit/5368441603358720

In this instrumentation amplifier output voltage is proportional to change in rheostat valve(∆r) V(0)=R2/R1(Vin(∆r/2R)) R2=feedback resistor R1=resistor to subtractor amp R=Bridge resistor