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Repeat Problem 8.7 using the formulas from return-ratio analysis. Repeat Problem 8.7 The ac schematic of a shunt-shunt feed-back amplifier is shown in Fig. 8.48. All transistors have I D = 1 mA, W/L = 100, k' = 60 μA/V

Repeat Problem 8.7 using the formulas from return-ratio analysis.


Repeat Problem 8.7

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?

Transcribed Image Text:

M1 5 k2 5 k2 5 k2 M2 Mз 10 k2

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g m1 , r 01 are the same as in Problem 8 7 (a) R = (r 03 ||R 3 ) (g m1 ) (r …View the full answer


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Related Book For  answer-question
Analysis and Design of Analog Integrated Circuits

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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Question Details
Chapter # 8
Section: Problems
Problem: 9
Posted Date: September 29, 2018 11:26:44
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In a series circuit, the same amount of current flows through all the components placed in it. On the other hand, in parallel circuits, the components are placed in parallel with each other and the circuit splits the current flow.

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