1
GATE ECE 1990
MCQ (Single Correct Answer)
+2
-0.6
For good stabilized biasing of the transistor of the CE Amplifier of fig, we should have
2
GATE ECE 1989
MCQ (Single Correct Answer)
+2
-0.6
Of the four biasing circuits shown in Fig. For a BJT, indicate the one which can have maximum bias stability:
A
B
C
D
3
GATE ECE 1988
MCQ (Single Correct Answer)
+2
-0.6
The amplifier circuit shown below uses a compostie transistor of a MOSFET and BIPOLAR in cascade. ALL capacitance are large. gm of the MOSFET = 2 mA/V , and hfe of the BIPOLAR = 99. The overall Transconductance gm of the composite transistor is
4
GATE ECE 1988
MCQ (Single Correct Answer)
+2
-0.6
Each transistor in the Darlington pair (see Fig. below) has hfe = 100. The overall hfe of the composite transistor neglecting the leakage current is
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General Aptitude
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Discrete Fourier Transform and Fast Fourier Transform Discrete Time Signal Fourier Series Fourier Transform Continuous Time Signal Laplace Transform Fourier Transform Representation of Continuous Time Signal Fourier Series Transmission of Signal Through Continuous Time LTI Systems Miscellaneous Sampling Continuous Time Linear Invariant System Discrete Time Linear Time Invariant Systems Discrete Time Signal Z Transform Transmission of Signal Through Discrete Time Lti Systems
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