Pre$-$Laboratory Work:

Consider the circuit in Fig. $1$:

Identify the feedback topology and draw the circuit without feedback, but taking the loading effect of the feedback network into account. Calculate the voltage gain $($v$\_(0)//$v$\_(1))$ without feedback but taking the loading effect of the feedback network into account. Calculate the voltage gain with feedback. Comment on the results. Calculate the input resistance $($v$\_(1)//$i$\_(1))$ without and with feedback. Comment on the results.

the value of the resistance R are known and V$\_(1)$ can be measured, the input resistance Rin can easily be found. Find the input resistance $($ v$\_(1)//$i$\_(1))$ of the circuit in Fig. $1.$

$3.$ Disconnect the feedback network, measure the voltage gain $($v$\_(0)//$v$\_(1)).$