1
GATE EE 2005
MCQ (Single Correct Answer)
+2
-0.6
Consider the inverting amplifier, using an ideal operational amplifier shown in figure. The designer wishes to realize the input resistance seen by the small signal source to be as large as possible, while keeping the voltage gain between $$–10$$ and $$–25.$$ the upper limit on $${R_F}$$ is $$1\,M\Omega .$$ The value of $${R_1}$$ should be GATE EE 2005 Analog Electronics - Operational Amplifier Question 32 English
A
Infinity
B
$$1\,M\Omega $$
C
$$100\,k\Omega $$
D
$$40\,k\Omega $$
2
GATE EE 2005
MCQ (Single Correct Answer)
+2
-0.6
Assume that the threshold voltage of the $$N$$-channel $$MOSFET$$ shown in figure is $$0.75$$ $$V.$$ The output characteristics of the $$MOSFET$$ are also shown GATE EE 2005 Analog Electronics - Bjt and Mosfet Biasing Question 5 English 1 GATE EE 2005 Analog Electronics - Bjt and Mosfet Biasing Question 5 English 2

The Transconductance of the $$MOSFET$$ is

A
$$0.75$$ $$mS$$
B
$$1$$ $$mS$$
C
$$2$$ $$mS$$
D
$$10$$ $$mS$$
3
GATE EE 2005
MCQ (Single Correct Answer)
+2
-0.6
Assume that the threshold voltage of the $$N$$-channel $$MOSFET$$ shown in figure is $$0.75$$ $$V.$$ The output characteristics of the $$MOSFET$$ are also shown GATE EE 2005 Analog Electronics - Bjt and Mosfet Biasing Question 4 English 1 GATE EE 2005 Analog Electronics - Bjt and Mosfet Biasing Question 4 English 2

The voltage gain of the amplifier is

A
$$+5$$
B
$$-7.5$$
C
$$+10$$
D
$$-10$$
4
GATE EE 2005
MCQ (Single Correct Answer)
+2
-0.6
The common emitter amplifier shown in the figure is biased using a $$1mA$$ ideal current source. The approximate base current value is_____. GATE EE 2005 Analog Electronics - Bjt and Mosfet Biasing Question 16 English
A
$$0\,\mu A$$
B
$$10\,\mu A$$
C
$$100\,\mu A$$
D
$$1000\,\mu A$$
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