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Engineering and Tech / Microelectronic Circuits (The Oxford Series in Electrical and Computer Engineering) 7 / Chapter 7 / Problem 7.4

Microelectronic Circuits (The Oxford Series in Electrical and Computer Engineering) | 7th Edition | ISBN: 9780199339136 | Authors: Adel S. Sedra, Kenneth C. Smith

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Consider the amplifier circuit of Fig. 7.15(a) without the load resistance RL and with

Chapter 7, Problem 7.4

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QUESTION:

Consider the amplifier circuit of Fig. 7.15(a) without the load resistance RL and with channel-length modulation neglected. Let VDD = 5 V, Vt = 0.7 V, and kn = 1 mA/V2 . Find VOV , ID, RD, and RG to obtain a voltage gain of 25 V/V and an input resistance of 0.5 M . What is the maximum allowable input signal, vi ?

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QUESTION:

Consider the amplifier circuit of Fig. 7.15(a) without the load resistance RL and with channel-length modulation neglected. Let VDD = 5 V, Vt = 0.7 V, and kn = 1 mA/V2 . Find VOV , ID, RD, and RG to obtain a voltage gain of 25 V/V and an input resistance of 0.5 M . What is the maximum allowable input signal, vi ?

ANSWER:

Problem 7.4

Consider the amplifier circuit of Fig. 7.15(a) without the load resistance and with channel-length modulation neglected. Let = 5 V, = 0.7 V, and. Find and to obtain a voltage gain of 25 V/V and an input resistance of. What is the maximum allowable input signal, .

Step by Step Solution

Step 1 of 5

Consider the DC equivalent circuit shown in figure below.

Neglect the load resistance and the resistance and draw the small signal equivalent circuit as shown in figure 2

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