Question: Repeat Problem 8.8 using the formulas from return-ratio analysis. Repeat Problem 8.8 (a) Repeat Problem 8.7(a) with all NMOS transistors in Fig. 8.48 replaced by
Repeat Problem 8.8 using the formulas from return-ratio analysis.
Repeat Problem 8.8
(a) Repeat Problem 8.7(a) with all NMOS transistors in Fig. 8.48 replaced by bipolar npn transistors. All collector currents are 1 mA and β = 200,VA = 50 V, and rb =0.

(b) If the circuit is fed from a source resistance of1k in parallel with ii, what is the new output resistance of the circuit?
M1 5 k2 5 k2 5 k2 M2 10 k2 -
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g m I C V T IMA26mV 385 10 2 AV r 01 V A I C 5010 3 50k r 1 g m1 100 385 10 2 52k a r 01 R ... View full answer
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