1
GATE ECE 2005
MCQ (Single Correct Answer)
+2
-0.6
In an ideal differential amplifier shown in the figure, a large value of (RE). GATE ECE 2005 Analog Circuits - Operational Amplifier Question 45 English
A
increases both the differential and common-mode gains.
B
increases the common-mode gain only.
C
decreases the differential-mode gain only.
D
decreases the common-mode gain only
2
GATE ECE 2005
MCQ (Single Correct Answer)
+1
-0.3
The effect of current shunt feedback in an amplifier is to
A
increase the input resistance and decrease the output resistance
B
increase both input and output resistances
C
decrease both input and output resistances
D
decrease the input resistances and increase the output resistance.
3
GATE ECE 2005
MCQ (Single Correct Answer)
+1
-0.3
The input resistance Ri of the amplifier shown in the figure is GATE ECE 2005 Analog Circuits - Operational Amplifier Question 75 English
A
30/4 K$$\Omega $$
B
10 K$$\Omega $$
C
40 K$$\Omega $$
D
infinite
4
GATE ECE 2005
MCQ (Single Correct Answer)
+2
-0.6
Given
$${r_d} = 20K\Omega ,\,\,{I_{DSS}}\, = \,10mA,\,\,{V_P} = - 8V$$ GATE ECE 2005 Analog Circuits - FET and MOSFET Question 16 English

Transconductance in milli-Siemens (mS) and voltage gain of the amplifier are respectively.

A
1.875 mS and 3.41
B
1.875 mS and -3.41
C
3.3 mS and -6
D
3.3 mS and 6
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