Question

3 (40 pts) MOSFETs in the following active loaded differential amplifier circuit has K 2.5K 250LA/N 0.5V with Vs V-10V Given Va a 0.BV and V Vas Va -0 BV. and assuming saturation mode for aแ devices. answer the questions a (12 pts) In order to establish a bias current of s 200HA calculate the value of R and W/Lratios of matched devices เฉ. ฉ6) matched devices (Q4、Q5), and Q7 b. (8 pts) Calculate the output resistances of matched devices (01. 02) and matched devices (Q4,05) +15V c. 02 pts) Calculate the gas and W/L ratios of matched devices (01. 02) to set a gain of A Va/V. S0V/N d. (3 pts) Calculate the input common mode range and maximum differential peak-to-peak V. output swing 3 20 o, -13V

Answer 1

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