1
GATE ECE 2016 Set 2
MCQ (Single Correct Answer)
+1
-0.3
Which one of the following statements is correct about an ac-coupled common- emitter amplifier operating in the mid-band region?
A
The device parasitic capacitances behave like open circuits, whereas coupling and bypass capacitances behave like short circuits.
B
The device parasitic capacitances, coupling capacitances and bypass capacitances behave like open circuits.
C
The device parasitic capacitances, coupling capacitances and bypass capacitances behave like short circuits.
D
The device parasitic capacitances behave like short circuits, whereas coupling and bypass capacitances behave like open circuits.
2
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
3
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 12 English
A
GATE ECE 2002 Analog Circuits - Frequency Response Question 12 English Option 1
B
GATE ECE 2002 Analog Circuits - Frequency Response Question 12 English Option 2
C
GATE ECE 2002 Analog Circuits - Frequency Response Question 12 English Option 3
D
GATE ECE 2002 Analog Circuits - Frequency Response Question 12 English Option 4
4
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
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