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Analog Circuits
Bipolar Junction Transistor
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FET and MOSFET
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Oscillators
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Operational Amplifier
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555 Timer
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Frequency Response
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Diodes
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Feedback Amplifier
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Power Amplifier
Marks 1Marks 2
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1
GATE ECE 2003
MCQ (Single Correct Answer)
+1
-0.3
Generally, the gain of a transistor Amplifier falls at high frequency due to the
A
Internal Capacitances of the device
B
Coupling Capacitor at the input
C
Skin Effects
D
Coupling Capacitor at the output
2
GATE ECE 2002
MCQ (Single Correct Answer)
+1
-0.3
Three identical RC-Coupled transistor amplifiers are cascaded. If each of the amplifiers has a frequency response as shown in figure, the overall frequency response is as given as GATE ECE 2002 Analog Circuits - Frequency Response Question 13 English
A
GATE ECE 2002 Analog Circuits - Frequency Response Question 13 English Option 1
B
GATE ECE 2002 Analog Circuits - Frequency Response Question 13 English Option 2
C
GATE ECE 2002 Analog Circuits - Frequency Response Question 13 English Option 3
D
GATE ECE 2002 Analog Circuits - Frequency Response Question 13 English Option 4
3
GATE ECE 2000
MCQ (Single Correct Answer)
+1
-0.3
The current gain of a bipolar transistor drops at high frequencies because of
A
Transistor capacitances
B
High current effects in the base
C
Parasitic inductive elements
D
The Early effect
4
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
The $${f_T}$$ of a BJT is related to its $${g_{m,}}\,\,{C_\pi }$$ and $${C_\mu }$$ as follows
A
$${f_T} = {{{C_\pi } + {C_\mu }} \over {{g_m}}}$$
B
$${f_T} = {{2\pi \left( {{C_\pi } + {C_\mu }} \right)} \over {{g_m}}}$$
C
$${f_T} = {{{g_m}} \over {{C_\pi } + C\mu }}$$
D
$${f_T} = {{{g_m}} \over {2\pi \left( {{C_\pi } + {C_\mu }} \right)}}$$
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Questions Asked from Marks 1
GATE ECE 2025 (1) GATE ECE 2017 Set 1 (1) GATE ECE 2016 Set 2 (1) GATE ECE 2003 (1) GATE ECE 2002 (1) GATE ECE 2000 (1) GATE ECE 1998 (1) GATE ECE 1996 (1) GATE ECE 1995 (2) GATE ECE 1993 (1)
GATE ECE Subjects
Signals and Systems
Network Theory
Control Systems
Digital Circuits
General Aptitude
Electronic Devices and VLSI
Analog Circuits
Engineering Mathematics
Microprocessors
Communications
Electromagnetics