EE 212 Lab

Prelab 7: Operational Amplifiers - Part 1

1. For the inverting, summing amplifier shown, find the voltage gain relationship (i.e., relationship between         output vo and inputs va, vb).


2. For the circuit of figure 3 in this lab:

a) Find the input impedance to the right of V1.


    b)  What is the output impedance of the amplifier circuit?


3. For the circuit of figure 4 in this lab:

  1. a) What is the voltage gain of this circuit?
    b) What is the input impedance of this circuit?



    c)  What is its output impedance of this circuit?