(Solved): 4. (a) Determine the input and output impedances of the amplifier in Figure - 2. The op-amp datashe ...
4. (a) Determine the input and output impedances of the amplifier in Figure - 2. The op-amp datasheet gives \( \mathrm{ZIN}_{\mathrm{IN}}=1.2 \mathrm{M} \Omega \), \( \mathrm{ZOUT}=120 \Omega \), and \( \mathrm{AOL}= \) \( 150,000 \). (b) Find the closed-loop voltage gain.