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Vlsi
Vlsi Basic
Quiz 1
Solution
Q.1.
Gain of MESFET is _______ to transconductance.
a) directly proportional
b) indirectly proportional
c) exponentially dependent
d) does not depend on
Q.2.
Transconductance gives the relationship of
a) Ids and Vds
b) Vds and Vgs
c) Ids and Vgs
d) Ids and d
Q.3.
Output conductance gives the slope of linear characteristics.
a) true
b) false
Q.4.
The transconductance value in cut off region is
a) Vds
b) 1
c) cannot be determined
d) 0
Q.5.
GaAs device has
a) high bandwidth
b) high transconductance
c) low gate capacitance
d) all of the mentioned
Q.6.
Transconductance is not influenced by transistor size.
a) true
b) false
Q.7.
Switching speed does not depend on
a) gate length
b) gate voltage
c) carrier mobility
d) doping level
Q.8.
The output conductance value in cut off region is
a) Vds
b) 1
c) cannot be determined
d) 0
Q.9.
To improve the switching speed
a) voltage swing should be increased
b) voltage swing should be decreased
c) gate length should be increased
d) gate thickness should be increased
Q.10.
The device turns off when
a) Vlow > Vt
b) Vlow < Vt
c) Vhigh < Vt
d) Vhigh > Vt
Q.11.
For finding transconductance which is kept as constant?
a) Vss
b) Vdd
c) Vds
d) Vgs
Q.12.
Transconductance value is same in linear and saturation region.
a) true
b) false
Q.13.
In bipolar transistor, transconductance is _______ to collector current.
a) directly related
b) inversely related
c) exponentially related
d) not related
Q.14.
Figure of merit does not depend on saturation velocity.
a) true
b) false
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