RF design for WC-FDP(PEC).ppt

8/9/2019 RF design for WC-FDP(PEC).ppt

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RF DESIGN FOR WIRELESSRF DESIGN FOR WIRELESS

COMMUNICATIONCOMMUNICATION

Dr. P. SAMUNDISWARY Assistant Pr!"ssr

D"#art$"nt ! E%"&trni&s En'in""rin'

S&(% ! En'in""rin' an) T"&(n%'*

Pn)i&("rr* Uni+"rsit*

Pn)i&("rr*


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02/10/1502/10/15 22

AGENDA AGENDA

, Mti+atin, M-i%" Wir"%"ss T"&(n%'* Tr"n)s, RF D"si'n &(a%%"n'"s, RF C$$ni&atin S*st"$s, asi& i%)in' %&s ! RF S*st"$, RF Trans$itt"rs

, RF R"&"i+"rs, Trans&"i+"rs, Cr*sta%, a%n an) Mat&(in', Ant"nna, Ra)i Ran'"

, CMOS RF D"si'n, RF MEMS D"si'n, R"&"nt E+%tins ! Wir"%"ss S*st"$, RF Pr)&ts, Cn&%sin


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02/10/1502/10/15

MOTIATIONMOTIATION

, In&r"as" in )"$an) !r %34&st s$a%%4

!r$4!a&tr %34#3"r trans&"i+"rs

, Pr%i!"ratin ! +aris 3ir"%"ss stan)ar)s

#s("s !r $%ti4stan)ar) #"ratin

, CMOS is 3"%% sit") !r (i'( %"+"%s ! $i6")

si'na% ra)i int"'ratin 728

, En) 'a%9 a %3 &st sin'%" &(i# ra)i

trans&"i+"r &+"rin' $%ti#%" RF stan)ar)s


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MOBILE WIRELESS TECHNOLOGYMOBILE WIRELESS TECHNOLOGY

TRENDSTRENDS


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RF DESIGN ISRF DESIGN IS

C;ALLENGING9MULTI4DISCIPLINEC;ALLENGING9MULTI4DISCIPLINE


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02/10/1502/10/15


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TEC;NOLOGIES USED FOR RF

SYSTEM

, GaAs9 = ;i'( !r">"n&* = ;i'( #3"r = Us") in PA an) !rnt4"n) s3it&("s = L3 *i"%) "6#"nsi+" t $an!a&tr" = Nt int"'rat") n si%i&n &(i#s

, Si%i&n -i#%ar an) iCMOS, Si%i&n CMOS sita-%" !r t"ns ! G;?, SiG"

= Pssi-%" r"#%a&"$"nt !r GaAs = Can -" int"'rat") n si%i&n &(i#s


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02/10/1502/10/15 @@

RF COMMUNICATION SYSTEMSRF COMMUNICATION SYSTEMS

, Sim'le* RF S)stem

A ra)i t"&(n%'* t(at a%%3s n%* n"43a*

&$$ni&atin !r$ a trans$itt"r t a r"&"i+"r E6a$#%"s9 FM ra)i Pa'"rs T.


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Cnt).Cnt).

, Full#du'le* RF S)stems Ra)i s*st"$s in 3(i&( "a&( "n) &an trans$it an) r"&"i+"

si$%tan"s%* T*#i&a%%* t3 !r">"n&i"s ar" s") t s"t # t("

&$$ni&atin &(ann"%. Ea&( !r">"n&* is s") s%"%* !r"it("r trans$ittin' r r"&"i+in'. A##%i"s t Fr">"n&* Di+isinD#%"6 BFDD s*st"$s.

E6a$#%"9 C"%%%ar #(n"s sat"%%it" &$$ni&atin


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ASIC UILDING LOCS OF RFASIC UILDING LOCS OF RF

SYSTEMSSYSTEMS


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RF TRANSMITTER DESIGN

ISSUES

, Fr">"n&* a&&ra&* an)sta-i%it*

, A-i%it* t &(an'" ! ra#i)%*

, M)%atin Fi)"%it*

, P3"r "!!i&i"n&*

,S#"&tra% Prit*4%3 s#ris tn"s

4%3 nis" "$issin


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02/10/1502/10/15 1:1:

RF TRANSMITTERSRF TRANSMITTERS

Functi"n

M"dulati"n

Fre,uenc)

Translati"n

-"er.m'li$icati"n

-er$"rmance

S'eci$icati"n

.ccurac)

S'ectral

Emissi"n

Out'ut-"er Level


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RF TRANSMITTERSRF TRANSMITTERS

, Mi6"r4as")

Dir"&t Cn+"rsin B;$)*n"

24Sta'" Cn+"rsin B;"t"r)*n"

, t( ar&(it"&tr"s &an #"rat" 3it( &nstant an) nn4&nstant "n+"%#" $)%atin

, W"%%4sit") !r $%ti4stan)ar) #"ratin

, PLL4as")

, S(3 #r$is" 3it( r"s#"&t t "%i$inatin ! )is&r"t"&$#n"nts

, Fn)a$"nta%%* %i$it") t &nstant4"n+"%#" $)%atin

s&("$"s nt sita-%" !r $%ti4stan)ar) #"ratin


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02/10/1502/10/15 1"n&* %&a% s&i%%atr BLO

!r">"n&* I$#rtant )ra3-a&9 LO )istr-an&" -* PA t#t


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02/10/1502/10/15 11

DIRECT CONERSION = LODIRECT CONERSION = LO

PULLINGPULLING

N"is) "ut'ut "$ -.c"rru'ts /COs'ectrum #0in1ecti"n'ullin&2 "r 0in1ecti"nl"c3in&2

/CO $re,uenc) s!i$tst"ard $re,uenc) "$e*ternal stimulus

I$ in1ected n"ise$re,uenc) cl"se t""scillat"r natural$re,uenc)( t!en LO"ut'ut eventuall)0l"c3s2 "nt" n"ise$re,uenc) as n"iselevel increases


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02/10/1502/10/15 1@1@

DIRECT CONERSION = LODIRECT CONERSION = LO

FREUENCY OFFSET TEC;NIUEFREUENCY OFFSET TEC;NIUE

LO 'ullin& can 4e alleviated 4) m"vin& t!e -. "ut'uts'ectrum su$$icientl) $ar $r"m t!e LO $re,uenc)

LO "$$set can 4e ac!ieved 4) mi*in& 5 /CO "ut'uts67 and 65 and $ilterin& t!e result8 leadin& t" a carrier$re,uenc) "$ 679 65( $ar $r"m eit!er 67 "r 65

B-F7 must !ave !i&! selectivit) t" su''ress s'urs "$t!e $"rm m679m65 t" av"id de&radati"n in,uadrature &enerati"n and s'urs in t!e u'#c"nvertedsi&nal


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02/10/1502/10/15 11

DIRECT CONERSION EHAMPLEDIRECT CONERSION EHAMPLE

A 54G;? CMOS trans&"i+"r !rnt "n)

&(i#s"t 7T. Li "t. a% 8

H"m"d)ne arc!itecture $"r4etter inte&rati"n( l"er c"stand l"er '"erc"nsum'ti"n

:ses "n#c!i' ,uadrature/CO and 4u$$ers t" im'r"ve$re,uenc) 'urit)

On#c!i' /CO minimi;esradiati"n lea3a&e $r"mstr"n& -. "ut'ut 4ac3 t"c"re "scillat"r

Bu$$ers is"late sensitive /COcircuit $r"m !i&!#'"er(lar&e v"lta&e "r currentsin& circuit 4l"c3s


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02/10/1502/10/15 2020

24STAGE UP4CONERSION24STAGE UP4CONERSION.n"t!er a''r"ac! t"

s"lvin& t!e LO 'ullin&

'r"4lem :'#c"nvert in 5 sta&es s"

-. "ut'ut s'ectrum is $ar

$r"m /CO $re,uenc)%( u'#c"nvert t" 679 654) mi*in& and $ilterin&%B-F7 su''resses t!e IF

!arm"nics( !ile B-F5

rem"ves t!e unanted

side4and 67# 65 % .dvanta&es+ n" LO

'ullin&8 4etter I?< matc!in&

=less cr"sstal3 4eteen t!e

5 4it streams>%

2 STAGE CONERSION EHAMPLE2 STAGE CONERSION EHAMPLE


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02/10/1502/10/15 2121

24STAGE CONERSION EHAMPLE24STAGE CONERSION EHAMPLE

A Da% an) BGSM 004M;?/DCS1@00 1.@4 A Da% an) BGSM 004M;?/DCS1@00 1.@4

G;? CMOS Trans$itt"r 7G;? CMOS Trans$itt"r 7. Ra?a+i88

E*'l"its similarities "$GSM and DCS7@AAstandards =m"dulati"n(c!annel s'acin&( antennadu'le*in&> t" reduce!ardare

5 ,uadrature u'c"nverters driven 4)AMH; LO t" &enerate,uadrature '!ases "$ IFsi&nal

IF si&nal r"uted t" sin&le#side4and mi*ers driven4) a 7AMH; LO('r"ducin& eit!er AAMH;"r 7@AAMH; si&nal


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RF RECEIER ISSUES

, Receive Sensitivit)

In)i&at"s t(" %"+"% ! si'na% str"n't( t(at $st -"

#r"s"nt t &rr"&t%* r"&"i+" )ata at a s#"&i!i") -it4

"rrr rat".

R"&"i+" S"nsiti+it* Nt Ns 10%'BBW SNR$in = Nt is t(" t("r$a% nis" !%r

= Ns is t(" s*st"$ nis" !i'r"

= W is t(" s*$-% rat"

= SNR$in is t(" $ini$$ si'na%4t4nis"4 rati r">ir") !r a 'i+"n -i

"rrr rat"


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RF RECEIER ISSUES

, S#ris R"s#ns"s

S#"r ("t"r)*n" r"&"i+"rs (a+" a

t"n)"n&* t r"&"i+" si'na%s t("* ar" nt

tn") t

I$a'" !r">"n&i"s ar" si'na%s t(at ar"

#r)&") as a r"s%t ! t(" '"n"ratin !

int"r$")iat" !r">"n&i"s


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CRYSTAL RECEIER

, %& )ia'ra$

Sin'%" tn") &ir&itJ #r s"%"&ti+it*

N 'ainJ #r s"nsiti+it*

R">ir"s %ar'" a"ria% an) "art(J n%*

r"&"i+"s strn' si'na%s


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MAIN ANALOG COMPONENTS

OF RF RECEIER 41

, AMPLIFIIERS L34nis" a$#%i!i"rs BLNAs in t(" !irst sta'"s. At$ati& 'ain &ntr% BAGC n"")") t &#" 3it( )i!!"r"nt si'na%

%"+"%s

, FILTERS S!!i&i"nt s"%"&ti+it* &an -" a&(i"+") -* !i6") BRF r IF !i%t"rs -as")n s#"&ia% t"&(n%'i"s BSAWB Sr!a&" A&sti& Wa+" &r*sta%

$"&(ani&a% or a&ti+" ana%' !i%t"rs #"ratin' n -as") -an) r %3 #ass &"nt"r

!r">"n&i"s

or $%tirat" )i'ita% !i%t"rs # t s$" (n)r")s ! M;? ran'". S#"&ia% &$#%"6 !i%t"rs #(as" s#%itt"rs &an -" s") t s##r"ss

&"rtain !r">"n&* ran'" !r$ t(" n"'ati+" #art ! t(" !r">"n&*a6is.It is s") in s#"&ia% r"&"i+"r ar&(it"&tr"s


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OF RECEIER42

, MIXER

C$#%"6 $i6"r BI/

a)ratr" 9 #r"!r">"n&* trans%atin -*t(" %&a% s&i%%atr!r">"n&*.

R"a% Mi6"r 9 #r)&"st(" &$-inatin !!r">"n&* trans%atinsin -t( )ir"&tins


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OF RECEIER4

, OSCILLATOR

%ta'" Br &rr"nt &ntr%%") s&i%%atrs

BCOICODCO ar" s") t '"n"rat" t("LO si'na%s in a tna-%" $ann"r.

In a &$$ni&atin trans&"i+"r t("!r">"n&* s*nt("si?"r is n" ! t(" $ain

-%&s .It is s") !r '"n"ratin' a%% t("n"")") LO si'na%s in a &ntr%%a-%"$ann"r


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SUPER;ETERODYNE RF

RECEIER


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DRAWACS

, S$" #arts ar" )i!!i&%t t !a-ri&at"

, RF !i%t"r IF Fi%t"r Os&i%%atr

, P3"r &ns$#tin is (i'(

, E6t"rna% &$#n"nts, S"+"ra% s- $)%"s !r $at&(in'

, C$#%i&at") str&tr"

, S#ris R"s#ns"s, LO an) IF si'na%s an) (ar$ni&s an) $i6tr"s

%"ain' $a* &as" #r-%"$s


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DIRECT CONERSION RF

RECEIER


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ADANTAGES

, Nt s $&( s#ris r"s#ns"s

, Si$#%" str&tr" n IF !i%t"rs

, K"r IF #rin&i#%"


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CURRENT TRENDS INCURRENT TRENDS IN

INTEGRATED TRANSCEIERSINTEGRATED TRANSCEIERS

, B"t! )ir"&t an) 24sta'" ar&(it"&tr"s ar" s")B3it( $)i!i&atins !r -"tt"r int"'ratin an)$%ti4stan)ar) #"ratin

, Direct arc!itecture a&(i"+"s a %34&sts%tin 3it( a (i'( %"+"% ! int"'ratin

, 5#sta&e r"s%ts in -"tt"r #"r!r$an&" Bi".r")&") LO #%%in' at t(" "6#"ns" ! in&r"as")&$#%"6it* an) ("n&" (i'("r &st !

i$#%"$"ntatin 758787871087118, Trans$itt"r an) r"&"i+"r )"si'n") c"ncurrentl)

t "na-%" (ar)3ar" an) #ssi-%* #3"r s(arin'


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GENERIC RF TRANSCEIERGENERIC RF TRANSCEIER


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SAMPLE TRANSCEIERSAMPLE TRANSCEIER


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CRYSTALCRYSTAL


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02/10/1502/10/15


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02/10/1502/10/15

ANTENNA ANTENNA


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EHTENDING T;E RANGE OF RFEHTENDING T;E RANGE OF RF

SYSTEMSYSTEM


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CMOS RF DESIGNCMOS RF DESIGN

, S-$i&rn MOSFETs 1@010 0 n$ t)a* +"r* !ast

! $a6100G;? #"r!r$ 3"%% # t 10 G;? r $r"

, G) %in"arit* !r (i'("r si'na% s3in'

, U##"r $"ta% %a*"rs !ar !r$ Si s-strat" = r")&"s-strat" %ss"s

, L3"r s-strat" )#in' ("%#s t is%at" RF -%&s an)

r")&" %ss"s

, Lar'" )i'ita% -&s BDSP &ntr% &an -" int"'rat") n

n" &(i#

, CMOS &("a#"r !r$ t("r t"&(n%'i"s BiCMOS

GaAs ..

02/10/1502/10/15 :0:0


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RF MEMS DESIGN

, "rders "$ ma&nitude smaller si;e t!an 'resent"$$#c!i' 'assive devices

, 4etter 'er$"rmance t!an "t!er sin&le#c!i's"luti"ns

, '"tentiall) lar&e reducti"n in '"er c"nsum'ti"n, alternative transceiver arc!itectures t!at

ma*imi;e t!e use "$ !i&!#Q ( $re,uenc) selectivedevices $"r im'r"ved 'er$"rmance


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MEMS -as") RECEIER Frnt En)

RECENT EOLUTION OF


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RECENT EOLUTION OFRECENT EOLUTION OF

WIRELESS SYSTEMSWIRELESS SYSTEMS

H r")&tin in PC si?"

:H r")&tin in ra)i si?":H r")&tin in &$#n"nt

&nts

M%ti4-an) #"ratins

S S G C GT;E FIRST SINGLE C;IP 5 G;


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02/10/1502/10/15 ::::

T;E FIRST SINGLE C;IP 54G;?T;E FIRST SINGLE C;IP 54G;?

TRANSCEIER FOR @02.11 aTRANSCEIER FOR @02.11 a

BD. S "t a%.


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02/10/1502/10/15 :5:5

EOLUTION OF WiFi RF SCEOLUTION OF WiFi RF SC

Usin' s&a%") CMOS n%* sti!i") 3("n int"'ratin' 3it( %ar'" DSP


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:


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HT"n) B1 Watt/00 M;?

%n'4ran'" OEM RF $)%"s, P3"r t#t9 1 $W 4 1 Watt

B0 4 0 )$ s!t3ar"s"%"&ta-%"

, In)r/Ur-an ran'"9 U# t000 !t B00 $

, Ot)r/RF %in"4!4si'(tran'"9 # t :0 $i%"s B


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HStr"a$ B2.: G;?

"st a%" OEM RF M)%"s

H B2 :G;


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H""B2.:G;

RF $)%"s ti%i?in' t(" i'"" PRO

PARAMETER VALUE

RF Data Rate 250,000 bps

Supply Voltage 2.8 – .! V

"u#be$ o%

&'a((els

)* D+$et Se-ue(e

&'a((els

(/oo$U$ba(

Ra(geup to )00 %t. 10 #

3ut/oo$ Ra(ge up to 00 %t.1)00 #

3pe$at+(g

F$e-ue(y2.! 46


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CONCLUSION

, R"&"nt%* $an* RF CMOS )"si'ns #"r!r$")s&&"ss!%%* !r $%ti4stan)ar) #"ratin.

, Miniatri?atin ! RF s*st"$ is #ssi-%" -* sin'MEMS t"&(n%'*

, C$#%"t" n)"rstan)in' ! t(" 3ir"%"ss s*st"$stan)ar)s t #ti$is" t(" s*st"$ an) a+i)nn"&&"ssar* +"r )"si'n

ARRIERS TO FUTURE


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ARRIERS TO FUTURE

GROWT;

, Irr")&i-%" si?" ! ant"nnas

, Risin' %"+"% ! RF "$issins 4

int"r!"r"n&" #r-%"$s an) sa!"t*

&n&"rns

, Finit" s#"&tr$

, La& ! stan)ar)s an) int"r#"ra-i%it* !

(ar)3ar"


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REFERENCEREFERENCE

718. . Ra?a+i KRF Trans$itt"r Ar&(it"&tr"s an) Cir&its IEEE CICC ##. 1420:1.

728. A. A-i)i "t. a%. KT(" Ftr" ! CMOS Wir"%"ss Trans&"i+"rs ISSCC ##. 11@411F"-. 1.

78. . R)"%% "t. a%. KR"&"nt D"+"%#$"nts in ;i'( Int"'ratin M%ti4Stan)ar) CMOSTrans&"i+"rs !r P"rsna% C$$ni&atin S*st"$s IEEE 1@.

7:8. S. i$ "t. a%. KA Sin'%"4C(i# 2.:G;? L34P3"r CMOS R"&"i+"r an) Trans$itt"r

!r WPAN A##%i&atins IEEE 200.758. . W"%)n "t. a%. KA 1.54G;? ;i'(%* Int"'rat") Narr34an) CMOS Trans$itt"r

Wit( ;ar$ni&4R""&tin Mi6"rs IEEE rna% ! S%i)4Stat" Cir&its %.


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RF design for WC-FDP(PEC).ppt