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Physical electronics devices and ics miscellaneous

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Physical Electronics Devices and ICs

Physical electronics devices and ics miscellaneous

  1. RS = 3 k. Given
    V0
    		= 0.9, the value of gm is given by—
    VS
    1. 0.3 mA/V
    2. 0.33 mA/V
    3. 3.0 mA/V
    4. 3.0 A/V
Correct Option: C

Given that AVS =
V0
= 0.9, RS = 3 k, gm =?
VS

AV =
RS
RS +( 1 / gm)

0.9 =
3kΩ
RS +( 1 / gm)

or gm = 3 mA/V
Hence alternative (C) is the correct answer.


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