For the differential amplifier shown in Fig. 4-8, R1 and R2 are 1% resistors with values of 4.7 k Ω and 270 k Ω, respectively.
a. What is the differential-mode input impedance?
b. What is the differential-mode gain?
c. What is the common-mode input impedance?
d. What is the common-mode gain?
e. What is the CMRR?
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