1 ) Which formula is used to find bandwidth ( B.W ) of MOSFET from Bode plot ?
( fl = lower cutoff frequency , fu =
upper cutoff frequency )
Choose single option from these : -
A )
B . W = 2fl ,
B )
B . W = fl + fu ,
C )
B . W = fu – fl ,
D )
B . W = 2fu ,
Correct Answer : - C ) B
. W = fu – fl ,
2 ) Which of the circuit diagram is correct for CS amplifier ?
Choose single option from these : -
A )
b ,
B )
a ,
Correct Answer : - B ) a
,
3 )
For bode plot , X - axis is
calibrated in . . . . . . . . ,
Choose single option from these : -
A )
Frequency in linear scale ,
B )
Output voltage in logarithmic scale ,
C )
Input voltage in linear scale ,
D )
Frequency in logarithmic scale ,
Correct Answer : - D ) Frequency
in logarithmic scale ,
4 )
If input time varying signal with
frequency of 1 kHz is applied at amplifiers input . What minimum time need to set in Transient
analysis dialogue box to view at least one cycle ?
Choose single option from these : -
A )
0.001 s ,
B )
0.01 s ,
C )
0.0001 s ,
Correct Answer : - A ) 0.001
s ,
5 )
At high frequency which capacitance Come into action to reduce gain of
amplifier . . . . . . . . . . . . . ,
Choose single option from these : -
A )
Coupling capacitance ,
B )
Parasitic capacitance of MOSFET ,
C )
Bypass capacitance ,
Correct Answer : - B ) Parasitic
capacitance of MOSFET ,
