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venkyelectrical

Asked: February 13, 2022In: microelectronics

9.65 A bipolar differential amplifier with I = 0.2 mA utilizes transistors for which VA = 20 V and β = 100. The collector resistances RC = 10 kΩ and are matched to within 10%. Find: (a)the differential gain (b)the common-mode gain and the CMRR if the bias current I is generated using a simple current mirror (c)the common-mode gain and the CMRR if the bias current I is generated using a Wilson mirror. (Refer to Eq. 8.98 for Ro of the Wilson mirror.) – 40 V/V; (b) 5 × 10−3 V/V, 78 dB; (c) 1 × 10−4 V/V; 112 dB

9.65 A bipolar differential amplifier with I = 0.2 mA utilizes transistors for which VA = 20 V and β = 100. The collector resistances RC = 10 kΩ and are matched to within 10%. Find: (a)the differential gain (b)the common-mode gain ...

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