Code: A-09/C-03/T-03
Subject: ANALOG & DIGITAL ELECTRONICS
Time: 3 Hours
Max. Marks: 100
NOTE: There are 11 Questions in all.  
  • Question 1 is compulsory and carries 16 marks. Answer to Q. 1. must be written in the space provided for it in the answer book supplied and nowhere else.
  • Answer any THREE Questions each from Part I and Part II. Each of these questions carries 14 marks.
  • Any required data not explicitly given, may be suitably assumed and stated.
Q.1
 Choose the correct or best alternative in the following:
(2x8)
a.
The pole zero pattern of a certain filter is shown in Fig. below. The filter must be
(A) low pass.
(B) high pass.
(C) all pass.
(D) band pass
b.
For the logic circuit shown in Fig. below, the output y is equal to

(A) .
(B) .
(C) .
(D) .
c.
 2's complement representation of 16 bit number (one sign bit and 15 magnitude bits) is FFFF. Its magnitude in decimal representation is
(A) 0. (B) 1.
(C) 32,767. (D) 65,535.
d.
 A pulse train with a frequency of 1 MHz is counted using a module 1024 ripple counter built with JK flipflops. For proper operation of the counter, the maximum propagation delay per flipflop stage is
(A) 0.1 . (B) 10 .
(C) 1 . (D) 0.01 .
e.
 The output voltage for the following circuit is
(A) 6V.
(B) 4V.
(C) 5V.
(D) 3V.
1
Index    Next>>