Analog Circuits
1
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
A
B
C
D
2
GATE ECE 2000
MCQ (Single Correct Answer)
+1
-0.3
The current gain of a bipolar transistor drops at high frequencies because of
3
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
4
GATE ECE 1996
MCQ (Single Correct Answer)
+1
-0.3
An npn transistor has a beta cut-off frequency $${f_\beta }$$ of 1MHz and Common Emitter short circuit low frequency current gain $${\beta _o}$$ of 200. The unity gain frequency $${f_T}$$ and the alpha cut-off frequency $${f_\alpha }$$ respectively are
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