Prelab: Differential Amplifier
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In this week's lab we will be designing differential amplifiers, which take the difference between two signals and then amplify the result.
In the circuit below, the output voltage v_o can be written as G(v_2-v_1)
for some value of G. Find the value of G and enter it as a Python expression
in terms of the resistances in the circuit (e.g., R_1 for R_1). Make the
ideal op-amp assumption and ignore power supply limitations.
1) Circuit 1
\displaystyle{G = {v_o\over v_2 - v_1} =~}
