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GATE 2024 Subject Name Foundation Quiz 65
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Question 1
The current gain of a bipolar transistor drops at high frequencies because of
Question 2
To get higher cut-off frequency in a BJT, base sheet resistance should be.
Question 3
For CE BJT amplifier, high frequency response is limited by
Question 4
In a BJT circuit, capacitor CBE will result in:
Question 5
A common emitter BJT amplifier is operating at high frequency, it π- circuit model as shown below-
If the transistor current Ic= 1.2mA, Cm = 2pf & hfe= 20 at 40 MHz
Then find out the frequency at which gain of amplifier is unity. (VT = 25mV & η = 1)
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May 17ESE & GATE EC
