GATE EC BJT and MOSFET Amplifiers questions

Practise BJT and MOSFET Amplifiers questions for GATE EC. Explore official PYQs and original topic-wise quizzes, check answers and view available solutions. Free, no sign-in.

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SubjectTopicYearType

In a multi-stage

\text{R-C}

coupled amplifier the coupling capacitor

\alpha

- cut off frequency of a bipolar junction transistor

The

\text{JFET}

in the circuit shown in the given figure has an

\mathrm{I}_{\mathrm{DSS}}=10 \mathrm{~mA}

and

\mathrm{V}_{\mathrm{p}}=5 \mathrm{~V}

. The value of the resistance

\mathrm{R}_{\mathrm{s}}

for a drain current

\mathrm{I}_{\mathrm{DS}}=6.4 \mathrm{~mA}

is (select the nearest value)

n

-channel

\text{JFET}

has a pinch-off voltage of

\mathrm{V}_{p}=-5 \mathrm{~V}, \mathrm{~V}_{\mathrm{DS}}(\max )=20 \mathrm{~V}

, and

\delta_{m}=2 \mathrm{~mA} / \mathrm{V}

. The minimum '

\mathrm{ON}^{\prime}

' resistance is achieved in the

\text{JEFT}

for