Repeat Problem 7.14 if an emitter degeneration resistor of value 300 is included in the circuit. Data

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Repeat Problem 7.14 if an emitter degeneration resistor of value 300 is included in the circuit.

Data from Prob. 7.14:

The ac schematic of a common-emitter stage is shown in Fig. 7.2a. Calculate the low-frequency small-signal voltage gain Ï…o/Ï…i and use the zerovalue time-constant method to estimate the ˆ’3-dB frequency for RS = 10 kΩ and RL = 5 kΩ. Data: β = 200, fT = 600 MHz (at IC = 1mA), Cμ = 0.2 pF, Cje = 2 pF, Ccs = 1 pF, rb = 0, ro = ˆž, and IC = 1 mA.

Fig. 7.2 a:

RL Rs Vị

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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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