Determine the differential-mode gain, common-mode gain, differential-mode input resistance, and common-mode input resistance for the circuit of

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Determine the differential-mode gain, common-mode gain, differential-mode input resistance, and common-mode input resistance for the circuit of Fig. 3.45 with ITAIL= 20 µA, RTAIL

10 MΩ, RC = 100 kΩ, and VEE = VCC = 5 V. Neglect rb, ro, and rμ. Calculate the CMRR. Check with SPICE and use SPICE to investigate the effects of adding nonzero rb and finite VA as given in Fig. 2.30.

Fig. 3.45:

+Vcc RC RC Vo2 Vo1 I2 Q2 Q1 Vi2 Vi1 RTAIL ITAIL -VEE


Fig. 2.30:

Тypіcal Value, Тypiіcal Value, 5-2-cm,17-µm epi 1-2-cm,10-µm epi 44-V Device 20-V Device Parameter 200 200 Bf Вк

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Analysis and Design of Analog Integrated Circuits

ISBN: 978-0470245996

5th edition

Authors: Paul R. Gray, ‎ Paul J. Hurst Stephen H. Lewis, ‎ Robert G. Meyer

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