Question

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EEN 311-Electronic Circuits ll (3 eredíįs)-Final Exam fferential amplifier biased with a basic current source rollowing parameters: Voo-Va 12 V. RD 8 ka, and 5. (20 points) Consider the di The circuit has the param Vi - 650 mv, Vov 50 mV, and R 10 k2. The transistors are matched and have: Va=80 V 几 Von Ro &K 오, DGI + VDD REF Q4 THE DE CEER Vss Determine: a) the reference current IREF of the basic mirror b) the differential-mode gain c) the common-mode gain d) the output voltage vat if o 2.015 sin (ot) V and vaz -1.985sin (ot) V e) the CMRR resulting from a 2% mismatch in RD

Answer 1

,12 V 【レ 여 50mV = Vas-650 mv las = 00 mレ 12V 2-11-3 iou 2.33m A 2.33x10 gm= 21 Vas-Vt -13.2 ms/46.6 50 m 2.