1. I olal NO. Or questrons-Izl
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S.E. (Electrical) (II
ANAI,OG ANI)
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Time : Three Marks : 100
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(id) two Sections
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1. (a)
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(b)
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(b) t6l
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P.T.O.

2. Draw pin diagram of Op-Amp (IC 741) and explain'$re function
of each pin. t8l
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(b) Explain how Op-Amp works as non-inverting amplifier'
Draw neat waveforms. Also derive gain of the Op-Amp for
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4, (a)
(6)
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5. d,)
over-voltage Protection
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(lr) Anatog to Digital
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6. (a) working of anq one We of Digital to Analog
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(b) LM 337 a s a voltage regularcr. tdl
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13764-46

3. SECTION II
t. to") Explpin the operation of J-K flip-flop with truth table. t81
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$) What is the use of PRESET and CLEAR in flip-flop ? t8l
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q) Enlist the different triggering methods used in flip-flop. Explain
any one of them. t8l
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(b) Explain the operation of D flip-tlop with truth table. t8I
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Explain the working of any one l,ylpe of s;'nchronous counter
with waveforms. I10l
(b) Explain the working of SISO type of shift register. [8]
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1 0 . (a) Explain the differencebetweenSynchronousand Asynchronous
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Counter. t81
(b) Draw and explain working of Johnson's ring counter. t101
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11. (.a) Explain the different types of memories. I8l
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(b) Explain the operation of 1 : 4 De-Multiplexer (DE-MIX) with
truth table. i81
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137621-46 P.T.O.
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12. Write short notes on the following : t16l
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(t) Opto-Isolator
(ii) LED display system
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(Irr) Upto-.Ejncoder
(iu) Multiplexer (MIIX).
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