asubar - part 14_microelectronics

7/26/2019 ASUBAR - PART 14_microelectronics

1/8

MICROELECTRONICS (ASUBAR)

1. Which is not an advantage o IC ove! disc!ete co"#onents$

a. S"a%% si&e

'. Less eight

c. Lo #oe!

d. It can hand%e ecessive heat*. It consists o e%e"ents inse#a!a'%+ associated and o!"ed on o! ithin a sing%e

s,'st!ate.

a. Mic!o ci!c,it

'. "od,%e

c. integ!ated ci!c,it (IC)

d. Mic!osot-. is a "a/o! cha!acte!istic o an IC.

a. co"#%ication

'. si&e

c. #oe! cons,"#tion

d. s#eed0. An IC const!,cted enti!e%+ on a sing%e si%icon chi#.

a. "ono%ithic'. thin2%"

c. h+'!id

d. thic32%"4. 5igita% ICs a!e "ost%+

a. h+'!id

'. thic3 2%"

c. thin 2%"

d. "ono%ithic6. What does an integ!ated digita% ci!c,it gene!a%%+ "ade o$

a. h+'!id

'. #%astic 2%"

c. "ono%ithic

d. thin 2%"7. ICs hose co"#onents a!e #assive e%e"ents eithe! !esisto!s o! ca#acito!s

a. Mono%ithic IC

'. 8+'!id IC

c. 9i%" IC

d. s,'st!ate:. Method ,sed in #!od,cing thic3 2%" co"#onents

a. eva#o!ation

'. e#itaia%

c. sc!eening

d. di;,sion


2/8

c. ga%%i,"

d. ae!1*. The "ost #o#,%a! c!+sta% g!oth #!ocess ,sed in IC

a. #hoto%ithog!a#h+

'. c&och!a%s3i techni?,e

c. "eta%%i&ation

d. c!+sta%%i&ation1-. The "eta% "ost oten ,sed in "eta%%i&ation #!ocess in IC a'!ication.

a. a%,"in,"

'. si%ve!

c. go%d

d. #%atin,"10. It is the do#ing #!ocess he!ein i"#,!it+ ions a!e given high ene!g+>

acce%e!ated> d!iven th!o,gh the ae! and e"'edded in the c!+sta%.

a. #hoto%ithog!a#h+


c. di;,sion

d. ion i"#%antation14. @!ocess o !e#ai!ing the !,#t,!ed c!+sta% st!,ct,!e ca,sed '+ ion i"#%antation

'+ heatinga. #hoto%ithog!a#h+


c. di;,sion

d. annea%ing16. Inte!g!oth 'eteen to di;e!ent se"icond,cto! %a+e!s.

a. e#ita+

'. ingot

c. ae!

d. !esisto!17. An nt+#e se"icond,cto! %a+e! has a sheet !esistance o 1== s?,a!e and

cond,ctivit+ o -=== s". What is the thic3ness o the %a+e!$

a. -.--"

'. 1 "

c. -= "

d. 1= "1:. The se%ective etching o SiO*%a+e! to e#ose #o!tions o the si%icon s,!ace o!

do#ing.

a. #hoto%ithog!a#h+

'. annea%ing

c. di;,sion

d. ion i"#%antation1


3/8

a. this is te!"ed as

a. @!o#agation de%a+

'. Logic %eve%s

c. @oe! cons,"#tion

d. Noise "a!gin*


4/8

a. *

'. 0

c. -

d. 1-0. Ba%ancing in#,ts to 'a%ance an o#a"#.

a. O;set n,%%

'. Noninve!ting in#,tsc. Inve!ting in#,ts

d. s,##%+-4. Which o the t!ansisto! con2g,!ations is ,sed in the o,t#,t ci!c,it o an o#

a"# to #!ovide a %o o,t#,t i"#edance$

a. CC

'. CB

c. CE

d. CH-6. Which o the o%%oing co"#an+ as 2!st to deve%o# an o#a"#$

a. Teas inst!,"ent

'. Inte%

c. 9ai!chi%d

d. RO8M-7. Which o the o%%oing ci!c,its is the %east #!o'a'%e ',i%ding '%oc3 o an o#

a"#$

a. 5i;e!entia% a"#%i2e!

'. C,!!ent so,!ce

c. Leve% shite!

d. T,ned ci!c,it-:. S#eci2cation o an o#a"# changes no "atte! ho a! the in#,t vo%tage

changes.

a. 9!e?,enc+ !es#onse

'. In#,t 'ias c,!!ent

c. Bias !ate

d. S%e !ate-


5/8

d. 1*.04 38&00. Which state"ent is !ong !ega!ding A701 hen its s,##%+ vo%tage is

inc!eased$

a. O#en%oo# vo%tage gain i%% inc!ease

'. Inc!ease #oe! cons,"#tion

c. Mai"," vo%tage sing i%% inc!ease

d. La!ge va!iation in the in#,t o;set c,!!ent04. Which o the o%%oing state"ents !ega!ding the c%osed%oo# gain o an o#a"#

is a%se$

a. It is a%a+s %ess than the o#en%oo# gain

'. It de#ends ,#on the eed'ac3 co"#onent

c. It can 'e g!eate! than the o#en%oo# gain

d. It is e?,a% to one i the eed'ac3 #ath is a sho!t ci!c,it06. Ratio o the vo%tage gain o an o#a"# o! di;e!entia% signa%s to its vo%tage

gain o! co""on "ode signa%s.

a. Co""on "ode !e/ection !atio

'. 5i;e!entia% gain

c. Co""on"ode gain

d. C%osed%oo# gain

07. Ca%c,%ate the CMRR o a vo%tage o%%oe! hose co""on "ode gain is =.==4.a. =.==4

'. 06 dB

c. 1

d. *==0:. Which o the 'asic o#a"# ci!c,its !e?,i!e no eed'ac3$

a. Integ!ato!

'. Co"#a!ato!

c. 5i;e!entiato!

d. s,""e!0


6/8

'. 9eed !action

c. Hain

d. 9eed'ac3 vo%tage44. Anothe! na"e o atten,ation acto!.

a. Negative gain

'. Loss

c. 9eed'ac3 !actiond. dB

46. It is the acto! '+ hich the o#en%oo# gain i%% dec!ease i eed'ac3 is a##%ied.

a. 9eed'ac3 !action

'. CMRR

c. Atten,ation acto!

d. Sac!i2ce acto!47. Anothe! na"e o! sac!i2ce acto!.

a. Loss acto!

'. 9eed'ac3 !action

c. 9eed'ac3 acto!

d. ",%ti#%ie!4:. It is ,s,a%%+ an o#a"# ith no eed'ac3 and ,sed to co"#a!e to vo%tages.

a. O#en%oo#'. 5i;e!entia% a"#%i2e!

c. Co"#a!ato!

d. Go%tage o%%oe!4


7/8

'. Ind,cto!

c. Ca#acito!

d. cond,cto!66. Which o the o%%oing can 'e ,sed as a s?,a!e avetos#i3es ave

conve!te!$

a. Sch"itt t!igge!

'. 5i;e!entiato!c. Leve% detecto!

d. integ!ato!67. A"#%i2e! o %o%eve% signa%s that #!ovides an o,t#,t that is an acc,!ate

",%ti#%e o the di;e!ence 'eteen to in#,t signa%s.

a. Sch"itt t!igge!

'. Inst!,"entation a"#%i2e!s

c. Leve% detecto!

d. integ!ato!6:. An o#a"# hose vo%tage gain is 1.

a. E"itte! o%%oe!

'. Go%tage o%%oe!

c. So,!ce o%%oe!

d. Co""on 'ase6 it is the act o gaining cont!o% o a signa%.

a. Loc3

'. T!ac3

c. Ca#t,!e

d. gain7=. What is the o,t#,t vo%tage o the 7:=4 !eg,%ato!$

a. 1= G

'. 7 G

c. 4 G

d. 14 G71. What is the #o%a!it+ o the 7=== gates o! "o!e.

a. LSI

'. ULSIc. GLSI


8/8

d. SLSI77. Which o the o%%oing 'i#o%a! digita% IC a"i%ies is the astest$

a. 5TL

'. ECL

c. TTL

d. I*L

7:. An encode! is an MSI ("edi,"sca%einteg!ation) ci!c,it thata. @!ovides an o,t#,t code that co!!es#onds to hich o a set o in#,t %ine is

t!,e

'. @!ovides a sto!age o a ce!tain n,"'e! o 'ina!+ 'its

c. Se%ects a given o,t#,t 'ased on 'ina!+ in#,t code

d. @!ovides o! de%ive!ing one o to7

asubar - part 14_microelectronics

Documents