Jury stability test stat es that if the first e1ement 0f descending 0rd er p01y

then all roots of the polynomial are inside the unit circle if and on1

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in each odd-numbered row i s positive in the derived array.



Transducers are sensors having many classifications, advantages and



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Very effi cient op eration and control of an interconnected







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3. Sketch and discuss the

circuits using epitaxy an
thestates 0fthe system.































urr nt characteri stic 0f an induction-typ e over current relay is

ultiph!l& eX pick up)
2
4
6
8

10
12
16
20
30



TRJ.

LIN INIlIl N

using the Mas on's Gain fo rmu1
20
o a p1anar transistor made for monolithic integrated with that of a discrete planar epitaxi a1 transi stor.
20
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14­
6
4.8
4·1
3·S
3
2-6
2,.5 2·4
er sy,stem is necessary and
put-output re1 ati on ship s of the





It is desired to determine the time 0 f op eration 0 f a 5-amp ere relay having a current setting 0 f 125 per cent and give time-multiplier setting of 06 connected to a supply circuit through a
C.T. rati00 f400/5amperes whenthe circuit camesafaultcurrent 0 f 4 00 0 amp eres.
4. "What minimum functi ons are required in a pro grammable device? Point out the difference between control 10 gic and control word with exampl es. Write the steps to compute the control word, say 0 f 8255.
5.
WR

RESET AD7

. .

Electri calis01 ati on different elements 0f a monolithic integrated circuit is 0btained by creating isolation islands.


In a long transmission line, the sending-end voltage is always greater than the receiving-end voltage and this effect is known as Ferranti effect.


Transmi ssi 0 n links using optica1 fibres need components with speci fic characteristics to fulfill thesystem requirements.


6. With a simple blo ck diagram, explain basi c swept receiver sp ectrum analyzer. List the sp ectra 0 f different signals applied to the spectrum an a1 yzer for analysis.

20

Describ e the basi c elements 0 fa PCM system.


CalcuIate the ap 0 gee and perigee heights forthe orbital param ters given ccentri ci ty =000 MeanEarth'sradius =6378km,Meandistancetothesemi aJ 1 7100 km.


20
20
7. Distinguish between sp 0 ntaneous step index and graded index 0 pti cal fibre.
20
Bring cut the concept ofTDM with a b
20
A signal having a range 0 f 300 t 00 Hz is tran smitted using binary PCM on a channel whose bit rate is 40,000 ond. Design the PCM system and draw the block diagram.
20
8. Point 0 ut the ad aes f frequency response studies of a system. Explain the Bode plots for the 10g mag e sus frequency and phase angle versus frequency for the comp1ex conjugate pol es 0
• 20
y describe ane at diagram schematic diagram showing the components 0 fa
-point HVDC transmission system. Explain how the control 0 f power transfer power-flow direction is achieved.
20
Describe microprocessor -based inverse -time over current (ITO relay with a neat schematicblock diagram.
20