1
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.
2
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
3
GATE ECE 2005
MCQ (Single Correct Answer)
+1
-0.3
Which of the following analog modulation scheme requires the minimum transmitted power and minimum channel bandwidth?
A
VSB
B
DSB-SC
C
SSB
D
AM
4
GATE ECE 2005
MCQ (Single Correct Answer)
+2
-0.6
A device with input x(t) and output y(t) is characterized by: y(t) = x2(t). An FM signal with frequency deviation of 90 kHz and modulating signal bandwidth of 5 kHz is applied to this device. The bandwidth of the output signal is
A
370 kHz
B
190 kHz
C
380 kHz
D
95 kHz
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