The ac schematic of a shunt-shunt feed-back amplifier is shown in Fig. 8.48. All transistors have I

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The ac schematic of a shunt-shunt feed-back amplifier is shown in Fig. 8.48. All transistors have ID= 1 mA, W/L = 100, k' = 60 μA/V2, and λ = 1/(50 V).

M1 5 k2 5 k2 5 k2 M2 Mз 10 k2


(a) Calculate the overall gain vo/ii, the loop transmission, the input impedance, and the output impedance at low frequencies. Use the formulas from two-port analysis.

(b) If the circuit is fed from a source resistance of 1k in parallel with ii, what is the new output resistance of the circuit?

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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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