(a) Use the Miller approximation to calculate the 3-dB frequency of the small-signal voltage gain of a...

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(a) Use the Miller approximation to calculate the ˆ’3-dB frequency of the small-signal voltage gain of a common-emitter transistor stage as shown in Fig. 7.2a using RS= 5 kΩ, RL= 3 kΩ, and the following transistor parameters: rb= 300 Ω, IC= 0.5 mA, β = 200, fT= 500 MHz (at IC= 0.5 mA), Cμ= 0.3 pF, Ccs= 0, and VA= ˆž.

(b) Calculate the nondominant pole magnitude for the circuit in (a). Compare your answer with a SPICE simulation.

Fig. 7.2a:

RL Vo Rs Vi Он

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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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