NASA Technical Reports Server (NTRS) 20040112016: Excitation of Coupled Slotline Mode in Finite Ground CPW with Unequal Ground Plane Widths

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by  NASA Technical Reports Server (NTRS)

Excitation of coupled slotline mode in finite
ground CPW with unequal ground plane widths

George E.Pouclek. Jou Papapulynenay nl Manes M, Tenses

‘the unwoted couple nine miode i presente. fie Bate
Daterace Time Dunst ureperformel to determine
‘one ny vember 0 oe, Farehermar ete
enue ngopnd af eey

Indexer Corda eaves emp anemia noe

4. Iv.aiucction

Fits ground oastanar rvegsits (FCC) s fen ured in
tow esi Monae Minoan tpt Circe QANICS)
Testu ef fs aurora edvanages aves mie'ip and
‘sve cups warsguide (CPW) Ks wip
Sohn liste ny sonnei of ert id ha ele
(ket sia le speek, eTEM aod or
2 ve Trejncy yt nce ea we at
Serica il phy ialty na, cally est ta 223
Welle ohare 2 i the pwd save Tey reduce the
‘irl ira ince a Sper rler ants]
ts been we fa a ese uf dro, see eich a
Tunpee elements [2.5], Wilkiaeen poser ders [EOL 998
lao shits [78] thous any repre pot ss.

BGC swan deeper male fyplealy modeled ae =
symuactro tauenision Uge wih et with ext roune
Dlaost of oqil elves. Hever, lt protie, especial I
Seikinaa powsr der, rc tee dividers, sche, ne
fags shits anc weander lie, wis aso OSE
‘oti ty sao oltult ajout Fas sama oa Wileso0
power divide. the geomed plmoss vertcen the 10 4
oles re ofa soubieed. wie poner a vas open
Src tough the cotive of he eset and mbetes
Cet Hetero the pred lanes lie tho tS ground
ase ite 4-6) i 99 depres hybrid comps, there ie
alse ew Uccups wne ae acute hake
The curert on tk sound panes. Switched Tits pase ifers
loonie “NGC usianizion tines aco Spe
SSpinmebie und gla bseauss Un fsct Benn

teanincon Enc ats fen & vttinaous god ples
Soh be ground plane on Le suis Os pen is Ha

TU el ns ees lethno de xc Je
(CPW chain i cs avon a sem
Ihe train in, For eve lacing SDE th oF
tne ie of the CPW line cadre esupce actus mods
TSE tipi yl bees jute sang OF otek

rvnenie (IW dveondie shat ete the cowed
Sis dy [1 1. hr Bis ear tha wg
weed vo eyeing the icine in ne tout gan ples
(CPWy tase ate smn rt ln he CPW Fe

‘The asemmcey sf the ground plete 9 TC ins in
asta eel Tos (wes eae cath orl
“ollie ue, and abidges ae taeda PGC chon (ah
“aie sears a tly 6 CPW sia te sedeoe is
Farsi: anda Ue diftands et the async i CBS
route oie heal’ al hs pot oF io dcanty ond
Te sirbralen se placa io eof Be dssetiou, bat
Ihe piney ie eyes 2 FE Hues is osha
“Theteres the TOC sine ids unsrcn ganas pee wis
taay et Pigeon an rte tn fhe sytem
(Goan pain CP ert

Ta ese. tho ef tri esrerany spree
{ee Fist tins WD. a eaphesis ane Ne. oF The
bros ative nade Dj che CEN node. Ques sate
tls vetscteonce Vine boast analsis abd
ipeimenll menses ae wnel Wy dotaie te
ping Boonen tbe CMW rede and Ue line node
{Tuer seme mot are la ua deri De ot of
bias onthe sons ihe ace rode

11, CreyecTEREACION MEMECOS

Ihe apes FGC tne eakown stacey in 1
2 and GC a teusnisson Less comprise of res
‘pure eusdacts, aid sy wil supper 140 independent
Inner lFRY reais For (My fese modes a “ype
fale the CDW cr wersneds ad the Ssglad stine ot
(eke, bile se stk en nope ante
‘narsmisicn line fndpaneaaly th abe eas, ad tes
the oplal reat tara dcooinitos, For ayimtnie
Trcic lis, Ee oneness tenes fe
‘and ot» aes Wah a cele! wo he ever
foes in 4 spnmenée tenant “e, Far te ove
Sieed ere. a sjamnebie FCC. waramisa. line
Snpurcng de COW al the ele sie moe pies
he encom oka, Te the vagnagee FG. Ts
Likes, nt he fir tno the asymm PGC io,
Sanaa FOC ected 0 bs placed

It jb) in eqn tin
Tan, we Heep he CM and enupled lone anode
eect te pp nt eer be
fi ere Deleriing er mesuting the soi and
{CPW odes iy gl and foes mesg the cure
‘or ech road pine al hen serting ie eon andl
odes, il ep moe aly fe pb ul
Soraier the vie then Uke coped slocine made the
setiou sgn and dhe CPW skal maar: In aber
Syards, a4 by # eemtedeg mate would be detemne,
However it vary cae bu te coopod sloline mode i
purposolyexsted en a FGC or CPW be. Theetire, ‘is
Purely ous Jb uo: being ocasered Ree but
frsiauonect do aew tthe rls ae suum if at
Sue eoFiatee:. Ts forcech bastion Uetiod Be
(CU ads i exci he Tet ae nde port shower
Fe atthe cpl lige nods smeatared athe gt
ers

The droviy ate brea fir Ge mmaennts a
nalanon icon wala with 3 eit 9 2500 2 a,
ud a tisiess oF 40 po. The asgmcts FOC fines ae
1 jum of eecca becm deposited: over a 0 pm hick
‘Fi adtosiou ts. but che ebeoret ea sans cme
losls: metals, “remteidges ee 3 jm Mig rd mde
tnd are conse 625 grant plated A Talis
[FOC Tine gomenias ee eowaterina the Ft 8, a
nT gf 15, 10, at 5 reaped the second iS,
sea of 50 28, and ISD pen veapeevely. Th peas
TSH 0) Torah ce edt nd U2 especie
nhish ie chargeiiegedanes of $0, Th ground
Sve 2 vel so lll a ange a al Soe 2781 from
Daw 20,

Hg Shins fe rr eptnr segue it neu
owed sins

4. atbafoence Pe-Domstn

To andsinend te physi bind the siting che
symenie POC ines noseseccall field pie te
setciaed wide ATHENA FDTD siculecr in 25D end
AD[IL.12). Tho fea sep oss to. 2 suulsions for
foxn sed wll exctaan te dire Ge Ean Hefold
haber oe even (auasiCUHM) ad od esciion
Uuusatotive?) made in a place polpoadiowar (the
Tretaztine ecb Varo alas Be pasageon
nA fete JON 3108) ase id vey he
TnnbTEM rar of sh dos ab in juny the eget
Trequcnsy-hovarant ffoice panels. be mags oF

he Fle, me enone fo de mu emetnase power
{MHP or bh dos Hho 22 suis are a Ce
{he secu sine af the RAID eee sae ev ede
the mmesgumatie eurcl wad rhage ibe defo
fhe uneven canis sed iu alo8 Dt De oes
Alesempetig. The ll 3D geoneiny i xed wit ven
‘toto od te (field diene vnonld t decat
sprees fom te iris Use the 28) esivad inde
ters lr Ihe Lil, he relate aiplcdseoP e2e8o
Inodes ae iden fee varios rales of grad sina by
Fettraog ramet Suter slag the cress
{ste For fab een FOR" Hoe tho te and rah
eal grind gion ane cornet will 0 yn ain ldgss
tretare anal every 2500 un

2 Confora ktng

‘Whils FDTD snags san st ye aeeamte, aque
ape aston, ety sonst onl eer
‘nto Quas-atie eons ned ery nor
faappirg ae Widely used to deeonine Me erasers
impedance of CPW and FOC Woes [131 Tce sunionsl
rapping enylaned to Ctsuni he vitio oF “be lo Fe
node (9 the CI mus fon azfelaon of he erpastance
Feuer each grurd plore an ‘he ven send

Eig, 2 ilwines the suynmeacic PGC Tae adits
reestomtation into an eee sctice. "The auc
Shown in Fig 20 sever othe seine fy hig 23
{In}. Thee, the sume ancl canbe permed
Aeknine the eigackaoce boven ie segmert pl the
furliow of the sogneet Be shove "and the cpeaisse
Fete Hine epee ef ad the porn of be Has see
Zeabore i osilraeesrailyers Cl aid C2 tegen
[Becaae of the tas equivalence Bore ip 2a ad
Fig. Db. CL and C2 aye lhe sapactnens beowech round
planes of width D1 vad D2 ard be ntar sn daca
Feapetvely. Ths bree Hine fom pent eth ins arp
dete pefceningnstio wal at sn exiaton of he act
‘Seaton of te abate acne well The ral Cw
fale pode ts CPW ede ie Rar Ines (CI.

ror
Tigee 2) aagrmai its yen cone wg ae
anaes ie pas (9m es oe Noo

6 Moneanec need

Messing hans with nasenahle ame pads
(Gr Saatcpuye (GSE) the eft id al nde
Sigel (G8) 07 the right sia) be Mlk. Vara
Inet ‘were tied, one eg 0 Nr deeming
rosea, bar the bet reese one cbse by parBeming 2
TTuneRloweLine (IRL) esiaton wh symmetric ONCE
oboe a: bots ends of ee line uelog stand ee on
‘wefr and substan GS. probe forthe right hand alle
G86 gncba, Foy iho incu, ke spine
‘resrivon oi baestinod ta sate probe Reds ty 2
spp tert iis Us ymtic GSU shes, Ding
Dre mestremeny = qua lero plaza between tbs
‘Sign wer un he ml wale chee, Rese i hese
{ite ede he: Bl CS probes ee aul ere We
Twbeloeed cucen's are preseel al ie gre A IEE
Inesenemeus sel be eamaterd ppv

1 emonsoue Hae sears of the b> teri
pede, Pip shy he rain of ie sli sale a
(CPW nose at the end of 12,000 in ng asym FO
Tne wh op ites the leap Tr ow
"itigen and eter eden ih OF 1S yn, Fe es
tothe iy exellent ngeeen hh india ha ect
SEaliod tng be sed, Both the FLOYD aes thd tho
peste rely ste tht the sharsctenlict sh
Fog ae mderenent uF te Lequaney fm 119 Sc
‘ie ereourteer che exam ut esha ae
due to quseatic Ee. which toner cans te
spceiteass oF ing he Semen ming

io

Ean + 86

=

5 an

B30

4

rr
2281

spi POC Teo ih STs yn, 10g ETM om

iy, uses the riko Be aloize msde ws CPW ude
deermined ty conbreol rps x x fa of the ri
lhe ero pipe, sen that he sofia nede age

‘Ewen BEDI i small tapas Scere to
$0 when BABI". Aout slot ne ae increase or
Tango aos of B2}, doce wot reneh wes abo 25
Ferenaote, fe sotibs wsdo ts avenger for mien wes
‘ke The sire eode exacnn I inverzely depen on
De gro plans wicth asa i Pg 3 abd erases
npn oe B 2 wp BL neces) fom 25 1 35
Unger gromd sige decane the set of tho seme
oer fe raja earetnhe scan fans eI
Fie Sof he sles,

Fig. ato the rresre an of Fe alee rate ts be
(CPW mode to eyeserte 7G ins ila ls and
f Length of 13,008 Uf en thats neateed sols
(alkaively a yoiiedy syroe wih Ge Caoieeal
(Esl ing. 3 eneept forthe gaonse ofa nulla 2B
fed 720 my, Cor Fl of the meneromes Uke, the GS
probe ehaaeeiiehve Teer seer sad ta for “Le
aower truer, Ines san the wider lines. Tus. ce
Iiek of roles BRTMT He reverie weal Ee
foe hr the SH tm mesures. nan sete
rode mule fe 18 0 Ge RURYEL. Chaaecaieat=n
ff says FU hes ut sire ha gee
Atari silo of che sties mae ts he
Tndepeodet 0 Eas leat
ey eT
B28
°
8-10
z Ik
&
2

a5 18 18 20 26 30
BIB

is 5 ah 0 sine eae -9 CPW mode ww inom of
‘puta pass Re

s
B ag) + s30m
z 6
o :
= 00 eet tse

on GS 10 18 26 25 30
B2iB4

awe Ge Mari ei of sas wade te GK wade on

"he tyres sat elinetng Ea stati lating
ue ipo gave sree ecowen the vo gad les
peril any, te MER” Hines A IST anaes ot
Syronoris HOC fn wilh gbids asd ovr 2500 ue
tron pone." ras 3 te letive miedo 9 do CPW
Ino oR fe che oa sigs abo
In igge 7 Wi voee atthe ea eal fueatly ae
The amb, bl tthe sie mea zo inet
SDK ny ler ch the shine ses aged ae
(othe rife WRU siege. ooo cuca Fa
lied w be Fuepenren ut tseney es eta 10
SDH Rote 2009 a grins 2 at 10 GH,
ira fir nmer Pogue, badger unt Be lane 3 29
Sl eeeril lngtsta sprentsetelne nade 2a
ermmetie HOC ne wae Bbiewec wh wtp
sirritye placed eves TUDE ar, wil Do Es
besos 10 al 00 gn Gon st The
Stasi sissurs dseteie fy the slots ode 5,
‘hist ceces when “Es ftrdge is 1000 40m trum the

ieasrt pea. At Ce abide. fis expected be
Sotine melee usiated tas show a Fig. be Bode
‘Mien ecsane ts narvaral nies aor he FDTD
Uipele to owe then dh the olins mode eased 3
fe trlge prbly dos bi higheramer er
odes inthe nae sie) GF neritic

a8

0 300 revo 1sH0 2oCa 2808 s06e
Distance from bridge {um}

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is deme bo cane sigaifeat #6 de. be
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fe inept. nh vauesey. Than, albeit
Dphoad of shor dienes on arson: FLAS line, 200
Tom tequeney cae
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