# Small Signal Modeling · Analog Electronics · GATE EE

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## Marks 1

GATE EE 2022
For an ideal MOSFET biased in saturation, the magnitude of the small signal current gain for a common drain amplifier is
GATE EE 2001
In the single stage transistor amplifier circuit shown in figure, the capacitor $${C_E}$$ is removed. Then the ac small signal midband voltage gain of...
GATE EE 1996
In the transistor amplifier shown in figure, the ratio of small signal voltage gain when the emitter resistor is bypassed by the capacitor $$'{C_e}'$$...

## Marks 2

GATE EE 2004
The transconductance $${g_m}$$ of the transistor shown in figure is $$10$$ $$mS.$$ The value of input resistance $${R_{in}}$$ is ...

## Marks 5

GATE EE 2001
The transistor in the amplifier circuit shown in the figure is biased at $${{\rm I}_C} = mA.$$ Use $${V_T}\left( { = {{kT} \over q}} \right) = 26\,mV,... GATE EE 2000 A current amplifier has an input resistance of$$10\Omega ,$$an output resistance of$$10\,\,k\Omega $$and a Current gain of$$1000.$$It is feed by... GATE EE 1999 For the small signal$$BJT$$amplifier shown in given figure. Determine at$$1kHz$$the following$$(a)\,\,\,\,\,\,\,\,$$Quiescent colle... GATE EE 1992 For the$$JFET$$amplifier shown in figure$$\mu = 100,\,{r_d} = 50k\Omega (i)$$Draw the$$AC$$equivalent circuit$$(ii)$$Find the voltage g... GATE EE 1991 Figure shows a common emitter amplifier$$(a)$$Simplify the circuit by applying thevenin's theorem to biasing network$${R_1},{R_2}$$at$$\,\,...
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