ELECTRONICS SYSTEMS AND TECHNOLOGIES QUESTIONS DIFFICULT QUESTION 1.
What What is the the freq freqe e!" !"# # $iff $iffer ere! e!"e "e %i! %i! MH& MH&' ' (et) (et)ee ee! ! the the ara* ara* a!$ +isa +isa* * "arrie "arriers rs i! S#ste, S#ste, -G/ -G/ ANSWER0
2.
Ree$ Ree$3S 3S4*4 4*4,4 ,4! ! "4$ "4$es es ti* ti*i&e i&e a te" te"h! h!iq iqe e "a**e "a**e$ $ 555 55555 5555 555 5 t4 t4 rearra!6e the $ata i!t4 a !4!*i!ear 4r$eri!6 s"he,e t4 i,7r4+e the "ha!"e 4f $ata "4rre"ti4!. ANSWER0
9.
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C4!s C4!si$ i$er er a! a,7s a,7s "e** "e*** *ar ar 7h4! 7h4!e e )it )ith h 9@ 9@ ?h& ?h& RF eqi eqi+a +a*e *e!t !t (a!$)i$th. The 7h4!e is "4!!e"te$ t4 a ,4(i*e a!te!!a. If the !4ise fi6re 4f the 7h4!e is $(B the "4a=ia* "a(*e *4ss is 9 $(B a!$ the a!te!!a has a! effe"ti+e te,7eratre 4f 2@
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U7*i U7*i!< !< eart earth h sta stati ti4! 4! has has 1 S? ,4$*at4r tra!s,its @ M(7s. Ca*"*ate the e!er6# 7er (it t4!4ise 74)er s7e"tra* $e!sit# rati4! %E (N@'i! $- if the si6!a* (a!$)i$th is 9 MH&. ANSWER0
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INTERLEA8ING
What is the (it rate 4f STS 3 1/ ANSWER0
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A ra$ ra$ar ar tra! tra!s, s,it itte ter r has has a 74) 74)er er 4f 1@
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If a t4ta* 4f 99 Mh& 4f (a!$)i$th is a**4"ate$ t4 a 7arti"*ar freqe!"# $i+isi4! $7*e= %f$$' "e***ar te*e7h4!e s#ste, )hi"h ses t)4 2 ?h& si,7*e= "ha!!e*s t4 7r4+i$e f** $7*e= +4i"e a!$ "4!tr4* "ha!!e*sB "4,7te the !,(er 4f "ha!!e*s a+ai*a(*e 7er "e** if the s#ste, ses ; "e** rese. ANSWER0
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A 7he!4,e!4! 4! the srfa"e 4f the s! )ith a77eara!"e a!$ $isa77eara!"e 4f $ar< irre6*ar*# sha7e$ areas. ANSWER0
1@.
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What is the *e!6th 4f the 7ath t4 a 6e4stati4!ar# sate**ite fr4, a! Earth stati4! if the a!6*e 4f e*e+ati4! is 9@ @/ ANSWER0
1;.
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A ra$i4 "4,,!i"ati4! *i!< is t4 (e esta(*ishe$ +ia the i4!4s7here. The ,a=i,, +irta* hei6ht 4f the *a#er is 11@ <,. at the ,i$74i!t 4f the 7ath a!$ the "riti"a* freqe!"# is ; MH&. If the $ista!"e (et)ee! the ra$i4 stati4!s is @@ <,B )hat is the sita(*e +a*e f4r the 47ti,, )4r
19.
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The ,44! 4r(its the earth )ith a 7eri4$ 4f a77r4=i,ate*# 2: $a#s. H4) far a)a# is it/ Ass,e "ir"*ar 4r(it. ANSWER0
12.
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A CDMA ,4(i*e ,easres the si6!a* stre!6th fr4, the (ase as 1@@ $-,. What sh4*$ the ,4(i*e tra!s,itter 74)er (e set t4 as a first a77r4=i,ati4!B "4!si$eri!6 $- at ,4(i*e 74)er "4!t4*/ ANSWER0
11.
1
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Whe! a ser reqest f4r ser+i"eB there is ,i!i,a* "a** set 7 ti,e a!$ the ser is 6i+e! i,,e$iate a""ess t4 a "ha!!e* if 4!e is a+ai*a(*e. What $4 #4 "a** this ,a4r "*ass f4r
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L4"a* Ca** C*eare$ S#ste, %LCC'