Repeat Problem 8.7 using the formulas from return-ratio analysis. Repeat Problem 8.7 The ac schematic of a
Question:
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).
(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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g m1 r 01 are the same as in Problem 87 a R r 03 R 3 g m1 r 0...View the full answer
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Related Book For 
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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