GATE ECE

Frequency Response

Analog Circuits

(Past Years Questions)

Marks 1

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The Miller effect in the context of a Common Emitter amplifier explains
GATE ECE 2017 Set 1
Which one of the following statements is correct about an ac-coupled common- emitter amplifier operating in the mid-band...
GATE ECE 2016 Set 2
Generally, the gain of a transistor Amplifier falls at high frequency due to the
GATE ECE 2003
Three identical RC-Coupled transistor amplifiers are cascaded. If each of the amplifiers has a frequency response as sho...
GATE ECE 2002
The current gain of a bipolar transistor drops at high frequencies because of
GATE ECE 2000
The $${f_T}$$ of a BJT is related to its $${g_{m,}}\,\,{C_\pi }$$ and $${C_\mu }$$ as follows
GATE ECE 1998
An npn transistor has a beta cut-off frequency $${f_\beta }$$ of 1MHz and Common Emitter short circuit low frequency cur...
GATE ECE 1996
An RC-Coupled Amplifier is assumed to have a single-pole low frequency transfer function. The maximum lower-cutoff frequ...
GATE ECE 1995
An Amplifier has an open-loop gain of 100 and its lower and upper-cut-off frequency of 100 Hz and 100 kHz respectively, ...
GATE ECE 1995
In a multi-stage RC-Coupled Amplifier the coupling capacitor.
GATE ECE 1993

Marks 2

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Consider the common emitter amplifier shown below with the following circuit parameters: $$\beta = 100,\,{g_m} = 0.3861...
GATE ECE 2010
Consider the common emitter amplifier shown below with the following circuit parameters: $$\beta = 100,\,{g_m} = 0.3861...
GATE ECE 2010
An ideal sawtooth voltage waveform of a frequency 500 Hz and Amplitude 3 V is generated by charging a capacitor of 2 $$\...
GATE ECE 2003
An npn BJT has gm = 38 mA/V, $${C_\mu }\, = {10^{ - 14}}$$ F, $${C_\pi }\, = 4\, \times {10^{ - 13}}\,F$$ and DC current...
GATE ECE 2001
An NPN transistor (with $${C_\pi }\,\, = \,\,0.3\,\,$$ pf) has a unity gain cutoff frequency $${f_T}$$ of 400 MHz at a...
GATE ECE 1999
An amplifier is assumed to have a single pole high frequency transfer function. The rise time of its output response to...
GATE ECE 1999
In the circuit shown in Fig. is a finite gain amplifier with a gain of K, a very large input impedance, and a very low o...
GATE ECE 1996

Marks 5

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A common-emitter amplifier with an external capacitor CC connected across the base and the collector of the transistor i...
GATE ECE 1996

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