Inverting Amplifiers

Monday, 10 September 2018

12:44 PM

An inverting amplifier reverses the polarity of the input signal whilst amplifying it.

 

  • The noninverting input is grounded.
  • The inverting input is connected to the output via a feedback resistor,
  • The input voltage , is also connected to the inverting input via another resistor

 

 

Machine generated alternative text:
Vi — VI 
Apply KCL at node 1: 
Ideal Op Amp with 
negative feedback: 
vo 
Thus: 
(voltage gain) 
VO =

 

 

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