D:-120
Correct Answer:- Option-B
Question63:-An NPN transistor has a beta frequency ரம of 1 MHz, and emitter short circuit low frequency current gain
“beta_(0) of 200. The unity gain frequency *f (7)` 876 alpha cutoff frequency *f (alpha)" respectively are
A:-199 MHz, 200 MHz
B:-200 MHz, 199 MHz
C:-201 MHz, 200 MHz
D:-200 MHz, 201 MHz
Correct Answer:- Option-D
Question64:-An opamp has a slew rate of 5V/uS. The largest sine wave output voltage possible at frequency of 1 MHZ is
A:-10m volts
B:-5 volts
C:-(5/mvolts
D:-(5/2mvolts
Correct Answer:- Option-D
Question65:-The number of comparisons carried out in a 5 bit flash type A/D converteris
A:-31
B:-32
5
D:-3
Correct Answer:- Option-A
Question66:-A PLA can be used
A:-As a dynamic memory
B:-To realise a combinational logic
C:-As a microprocessor
D:-To realise a sequential logic
Correct Answer:- Option-B
Question67:-Hamming codes are used for error detection and correction. If the minimum hamming distance is m, ‏عط معطا‎
number of errors comrectable is
A:-Equalto2 m
B:-Equaltom
C:-Less than mp2
D:-Greater than m
Correct Answer:- Option-C
Question68:-Given that ங்கா /N)* , where N = 3. Then 'F = W~N" can be computed as F =
ಹಿಂ

Correct Answer:- Option-B
Question69:-The code division multiple access technique is not used in satellite communication because of
A:-Wastage of power
B:-Wastage of baseband spectrum
C:-Increase in delay
D:-Complexity and unreliability of operation
Correct Answer:- Option-A
Question70:-Which of the following is introduced in the frequency sampling realization of the FIR filter 7
A:-Poles are more in number on unit circle
B:-Zeros are more in number on the unit circle
C:-Poles and zeros at equally spaced points on the unit circle
D:-None of the above
Correct Answer:- Option-C
Question71:-The number of LED display indicators in logic probes are
‏1-ھ‎
‎B:-4
‎6-1 2
D:-2
Correct Answer:- Option-D
Question72:-In a linear IC voltage, series pass transistor always operates in region.