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 41 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)
+2
-0.6
The voltage e0 indicated in the figure has been measured by an ideal voltmeter. Which of the following can be calculated? GATE ECE 2005 Analog Circuits - Operational Amplifier Question 40 English
A
Bias current of the inverting input only.
B
Bias current of the inverting and non-inverting inputs only.
C
Input offset current only.
D
Both the bias currents and the input offset current.
3
GATE ECE 2005
MCQ (Single Correct Answer)
+2
-0.6
The Op-Amp circuit shown in figure is a filter. The type of filter and its cut-off frequency are respectively. GATE ECE 2005 Analog Circuits - Operational Amplifier Question 39 English
A
high pass, 1000 rad/sec.
B
low pass, 1000 rad/sec.
C
high pass, 10 rad/sec.
D
low pass, 10 rad/sec.
4
GATE ECE 2005
MCQ (Single Correct Answer)
+2
-0.6
Given the ideal operational amplifier circuit shown in figure, indicate the correct transfer characteristics assuming ideal diodes with zero cut-in voltage. GATE ECE 2005 Analog Circuits - Operational Amplifier Question 38 English
A
GATE ECE 2005 Analog Circuits - Operational Amplifier Question 38 English Option 1
B
GATE ECE 2005 Analog Circuits - Operational Amplifier Question 38 English Option 2
C
GATE ECE 2005 Analog Circuits - Operational Amplifier Question 38 English Option 3
D
GATE ECE 2005 Analog Circuits - Operational Amplifier Question 38 English Option 4
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