“OAS Ee oe TH-3 Microwave Radio System: Microwave Integrated Cireuits Dy N.R. DIETRICH (Ofacexsipt reived Deemer 8 6) emwase Sutaratod citys ve boce employed nthe dtlt Sytem Jo the fr tng 3 tne THS one ayaa, Uae sivas, ning rp arse nenerou functions previously ached with asses of invita waseguide componsnt, By wilsing the made teeknobioe nf platbitharany, pronsion die outing, rem protec. fal taalaespbt thin fea, tone eirute provide adoaiages on ce fabrication, bay "tayo perlermance, aes Iranention Ko A series of four high-performance, Funelionaly integra, wore: svave cireite fas been developed for use in the 6-lle TI redie sslem, Tho cite designs inlyraie romans tiowave fnetion, tpersting tly vession Ene medi, into single Packages. Thy teslace assemblice of acrove warezuice ecmpenanes tse in The design of earlier rao clay ayeten "Th nbty 2 desig ach finetan Tore ssle application so rth i to Sa nelghbor ‘lows high performance sandérds, The zesuking redustion im inter- consi tnproves he eli bility. Considersble apes and est anving fs rtlaed since mony comnoa roecheaieel requiem ate satis] dy the seme housing. The housings, male of sluninimy, are die east ‘whieh accounts for a consdeenble portion of the eos axving. ‘The vipline eenuer calor ail Thin fin rsetore ane eneuted by hot lhemieal tence For lanl wd old Bla. The se of enaric fubsteavn and thin fila teehnology ie smportent to the achiereiient ft longsterm reliability: "The sheren: provision amd low cost af these lesiiquce provce dmmesions] eos) aad aeproduelbiiy and come tribute tothe overall cost stein “Tae cious, threw of whieh ze ase in exch THEA radin bay 2070 map aria, evareW mpemTsToAL JeUENAL, SPE intsoduood in a preceding papert by A, Hamar) nd BR. M. Jensen There are two versions of the arriee distribution ciruil, One is for vie in a opeater station buy, ue acer for usp in e muin station bay. Generally, they penforra im the sme Ney a that they dictate ‘microwave carier power, said provide input and output avozes to the thodulniors. Monitoring, tertine, und iolnon featnnes are fneluded fe soveni poinls Unoughnul the eects. The taveling-ave tube Input and ontpuh citrus operate im tho modulo signal path. They provide low transsion Tose with nplib slope, high isolation, Inuniloving, esting, attenuating, Glering, and homing fectures within thelr teepective phekngrs, higiser I and 2 ane polograph of the ‘pater ation earrier disebation ebouls and the traveling-wave fale input civait achematie dewnioae wre given in Section 1V ‘Many of the Iuaetiona inogonted into tho Tone craita sre eeatad snvinl ere ot nave einiazors ws the basi werent. A total of seven CSreulavore i ince in the epenter eiaon version of the carrer Sescbution vou, while the mein meation version includes sie ci Guletom, ‘hes invaling wave tube faput sve ipa eee have two Girculavre each, ATL eivuils inooeporete che asoowary tenortione Tenven striplie and the ccwneinsiow azedee of tbe serious connest- ing components, ‘Thee involve somal, wavemuide, recuoed-beight ‘vogue, and ¢e eennzetons. ‘The notra’ aribien: cempenoture range over whieh the etoile Ste: 90 = 20°F Zor the carla id ibtion eins, 90 2 ring-wave tbe input ele, snd 5 AVF or she feevelng-wasr lie oatgne eeu, The clavate! ambiesh around che ‘TW eneuits {8 duo to the cower depusion of the THT poser empl 2 Cireator ed Siripline Figures fa ane 5 shew « exoee-ecetion view and a top view of the ciresacae and siping, ‘The types) eirtator admit-ance se a Sune- tion uf fegueney de shown ia Tig. do, The ground plane epacing is 0125 iach A $8.-yereent-rure skeina substrate, OOF Inch thick, is eveponded ooniruly between the ground plance, Tho center cox fiuctor patter oontnl on une surtece of the substrate is nominally hoon inch thick, wast 10 skin rll at 6000 MH. Since tho tmoliun ie not homogenous the energy? dost not propagate purely laa TRM mae. ‘There ue Geld euuponents in the ditection of aur “yar venga seme sone mrad 270 aia POS PED THEO] 2178 gy ua yu) aun Pupsun 24 0 54K ps pw Wz 2 ryminaran coment a7 ws Bis Se ay a, Gcrsau ey) Top pero propoxation, Tense, the medium ip dispersive and tee sopagation urea is canolion 0: frgucey acl mensions, his eer, hear seer i cxteozely esl und sey be dgzoced for pretion purenes, Swi a"TROC eae ie assured, Tho enter enacuerar wide. requzed for a oberactaristis inspecaaee of 80 cunts ut 0X00 Mls ie 0.114 inch, ‘hie eflecrive dieleetie constont seeuing from the prescrse of tho ligheauia sling ep = 951 In aaa. pention 0: toe fre rion ‘wappnetnae’y 1.7 Fora 50-010 Tine Tevesiaivale arynvted wibsey Wsneen che geome wane Be ise of aloes eubstee yin ivr varuel OM6O incl hick Tendo 7c bor evfow of esas lye Fe OMI Mises, lve the O02Kaei-taile eabesru, 20love comdeetar, ae ren hoses of HOOD! inch etch, sul ep ve aexcle the srosnd plene acing. The ama. difezcres ane, the varntione us to mechasieal Colerenees are taken xp by tightening a tzeaced plug loectes‘n one rdurd plate at cack eieeleto: metes. Kach plug ie achsated ine idly so none abe sreualar vies, Lue aeuring Ua wr ui ap eile An ni rap 6 stall as one hoax ain ws hem 2180 rom maa syerun munueN, SoCmAL, SEER aL he imsalance of Phe sienlatar junction uae svioualy eee: che per facvange, Tha dimensions of ie dae ae djs i acta Tee junction) she ffopiney bard of insert, Tis wnier eumdusiar Dettesn ex the subs-sse ine les priest canefortcrs to provige stable txpedeer ratehos ino rezonantjune!oa, “The jerien impedance is uppruvivtely 15 chins, A quertes-mave impedicer ranalrmer of 2 obimetransZnis Une unde ipaianen 40 80 cba, Bish of he foneens ielaced ia fee Tntgrated sieete ‘woe cevelypel indieiincly “Fa oma etravmece and alah: vo 50 Ghme, Aer intowatioy Cho periisanee i eptimiace by aumbor feilorice the desig lv iproveioserteoe tentoos Bemreen neighbor. ‘Tus transfor ingariw mpd lesa sre inentionally chess to be inoormeet for a opcuaant iiachoner nach. Ts allows for the iornmration of taming sorewe Zuto Cie naebing soheae wate per- formance demarde sae high. Sirey wlianieal Uolenars and feri= fnopneie nateralonoperee ae dieu: sal experi Uy otro! lo Ue degre ett fo enaictrnie beh visatator perormance, lo trina etess mey Teeride orhogural Bee basing wf Khe ekealae silane age se Wha i may e tured co she conver of thy tilt hace One sore. Ui sie, effectively eanzos the trmformor fulttazen eng srovides fine luring along the eonauctanoe aes. "The ther sore, the esa senon, nde he Resto length af ane former ane proses wning alone Uap siev-daure eonivae When sich re turing it nat aoquited, the serewe ate no: inclyled az 3 fonrenron ie trade inthe cuter woilve te geemeley "The VATG rantesal upoa wie the error Hsp fea han sales‘ magnetization T4rsH,1 of 16D gous, Thie metre, ‘whieh is used sther system comorents, sete Ue eriorin Jn voicing Jow [uli loses. The 48M-oested reagnetic bing eld ia Tromided tyra poir of Lacan Govle mane magnela at ra0k Troll juacies, A theended arnew moves ont of ie magears 1 byw a 10g fh it gap iz the mugaatie ervsih val gracile bane Ut for the ragnetio fhix cent ot ee ezelwiorjare.ua, Tombil- ity is maid eines tho permanent migret neririnmity an he 10 pcrent. Theve oe also Yacitione due ty zueiaieal ‘o'erans ral Tevsimognetie spcteriale tacpeties. Mach civulator is Couotinally tne for Tee, mperaloa fy edjuting the ngaetio fil! tuning sere “A aes srs mae of the lomporstne denentienns of 2 eiecIatar esformance. Censcilly, ie eruulator yerormarer dscades ab the rtm ode 21°F npesating vempersture minge. The degradation fa priate to ohonger th biden Gd produced Uy Ue paras becaeeame cre? as nent rangncte Rater an ceuapenaste the mangneie einai r0 elimi- ante the degrcition, « nen af pee‘ermanee was ade. u fe room emperatare peviernance ohjestives. When aplatore and izapedance rrataies atv involved, the performance obiqeive was 30 dB) rorerse Tose, of 30 aB return loss per eireshtor Tonle to previde some svitioual arg tallow for degraded yerorinaree aver the vange Gf operating temperntures ial wannfaesing tolerance, the desi fhjestive was aet_et 38-10 AB per cireoter. Forward travemission Tose i appevionely 01 IB pe pass sp Telator "The isolation funtion inchs all foe svete is obtained by lerminatigg one sim of « citewatne with a Thin Bim zeitar in the tier shown i Fig. a, ‘The torino sao ie fabriaced yy phowebemieal teeuques from a fly ef tuntaloz nitride. The itive ln is oneetilly a abort casion of higi-loee‘renemission Oxy sate (o) stan Fig, (0-07 gor ore. ( ern or Soe t Fee ye ely of bebe seca oes RAE fspmter Ute "Sea ct esta de feet one tat 2182 ea ana evourW meres souRRAL, SPAIN 1 line, Tes commer to #9 masng through rota spring iy whisk rer the edgy of the suielvete end concrete w eondolor ‘sani ‘grand places sizultineworly, nerhowe in 1g ab, Thus, otek teruizaling reer i located ele to ane of the aubetrate. Vai- thie lays and se resimeanees of the reitor ere sted. A vesstar having lng 0° ORE inch ad ce reistanoe of 82 ola ws ehnaen tr the beet teruination, Thie seule was based ypon the potion of the semitine seare wn the 1/80 mo admitance char as shown in Fig. de The epot soe sopresn(s the range of admittance variation ver the 6925-T4QR-MULe frequcney bn for the indiceted lengths tid reeetanee, Also ahorm ithe typo clzwlator edmitence, eis tlie thet these fen admittazces te complex conjugates. ‘The trestet devinlion Town This relationchip i equel fo 0002 diference in VSWL ‘This predicts a zetur Jos, and 4 eomepomling "vere lees or thy isolate of 40<4R. Tha zevere loss own ioltor is @eler= rine’ by the wlan wateh at th oirealatortermination iter face. Actual perforiinee of singlestage selators of this (ype i revere lost cansiaony in oxcoee of 8 cB ara forwacd Jose approx ately 0.1 AB "The poner diesnation in tke nuiser should be lived to 05 wee for short vise pris aad D1 watt fr exten oF continuo. pevods “Theos limiaciooe arc tased on the pertanent chenge ip resiktanee due to serused lemperstines. Tea? cm resets show ‘hab jar 01- ‘yall eostinaous pewre=isisaion, oF 10 mets par equate ine of hm, ‘the ehange in zeit shuld be lens shan LO parent after 20 yonze. Generally, the imitsion on power ispalion ie af conor 085 in Ue TWP ouyat eset, Hore the synal hae boon smplitied to a poner of 10 waste gna, shaule the outout oF thy ei, be severely mise rnatehed, excessive poser onl be dissipates in the termination of ‘he tpt isoletr. 8 Poser Spliter "The power slitting function’ used im the repeater station earvior istittion vient tov the transmitter microwave carrie (TMO) between the shih wullator and transmitter modolator is shown schemetiealiy iu Tie $4, A luring sete is loetced at the common frm junttion bucwun (vy ireualom Vasiost amounts of shunt fapacitares ney be added ta the oltre caniehod [ansmnision Tine by ndjting tie cers. Mieratshes epproacbing a short vireuit (1-2 AL retur Toes) can be adhieved: causing signiieact postions of the Savident power to be evlstad. The refcted pore is crculatod to sermmnvten cunceits as vee a a (POWER SPLIT RaTIO, 2= CN Fein at Sui ity [item Go Tramiel post 4 an the pee” [sie sas te aniancek goss to port 2 iene, £3¢ iaput power ivideal ele ths! hie ispat az output Iinjedesee watebee r1e net epement spon sho oer dieing is tare, Figane Sb shen the vara a of the pala of Pa divide powers ( foretion of the ante poatiun fue a frecuerer i Ube veer oF She bad 1a eng snr sreoeanee Fe sas v be uvuly npc an fs local att clot he someon aot Jenoton, feat elear hat tbe riaacth will be s fowe-ua of Exqueney. ‘he onparitve source uses nivure'y ai “oecay; Renae, the power Avision rato will fF ae fiction uf “nsqwency nes he ®C3lLx al ‘he 2a 2 by 1 dM ora A Variable exeoutnien fnew wre inelolad in the eeu nt three peo, Rach i of aight lens ronstmitian in ade te sat Hy aptinonenes ef tae pare wopeation, Howser, hey are imi in ymratin, ‘Phe atterntas ie cesta by eorcbini » power 2184 em sere evarewr manna ona, EMU LANL splice end a sermiecing resiter-ue shows in Tx be A viteulalor- lemates sombinivien aivides the dreideat puveir ny powcinsly he forted and a temincriog rsiner i added to <inipate ether “he fava or tllesed pertinn ee the meer, The tuxamisien type {ort 2 terminated shown in ¥ig. Je is ance saltable where high ring 6°altonvation avs west re 8 30 AB, The refleeion type {pote J Leute) Se mare wile fue “ve rege alienation, sg. 65 Al, The astesuanor ancluded ia the wraveligowave tube inoue fdresit eee Sertion LV ia ramgsia diluent dom shove ovo. [33 Das‘ally a tansnission type. Liencver, is iz spec coxstrairé t0 sue 4 a “uw altssuation range, Sizee the eu opseeing in tbe Imocnlstc signi pth, “a9 wetrattor hse taal be sewer acne tine to stequeney and ie laa saad exouble of 9 very lee einai stlen.ecion, 0.1 a ov cee. Pember slower in the system melee ite desrabie pint <# whieh fo inete or de-zot tox sigue daring bay lessings Tetons, the termination ian exteroal, removable, avr fide teculstiy slur Mon ot In fhe termatinn, Reworal of the waveguide serminan revlon he pat avasehis fe esting, a= ied she miesctebig eet of se alvecastur ena be samovel tnininises A coaxial ming sree woe ascd, Te eonsets of a meted fyiinde siding iene ean) ele in «moet eer body. Tho tro Sus osparuted by divestrie cove severed thovewethe of sa ize ting The evlicder ceonets te cuoteseoacuctr und i speng-lonced lo couloir the eeow Lody. asthe eorom hed ia tamnce, che riverla of che na elton varies te abuage the tes of the coupling, topueitanre, The cher sj, ene lege ateas poble wil [ie crvig alley a wrealr jucue of eapesauee vericliva soe Cat eval able sora she ccd acca aud bege =pkeing uf © pine wise Eee fe toad in the poner epiter Te miselanieal stuns ace ‘aoinded i the constuction of the aerer, When the serear 28 eet Sully elekine he eupain high = 0 pV al Te elie aes pnt 0.1 a. When the vive ie aut Lally cunlurelroweiee the exoneiaee ta weenced to the velue areosu to exer: pxeater than 20 dl zum fons. Hence, ti attoazater lb 4 cepsipuous ecljuament riage fom UD AR te 0A, Ths nes slane sf Ea A AT ass te G1EATIe frrwwruy uel The oma eng The sere Rone! in x ell éxpe lacking cece so “hut it mary 30 locked ir Psion, er adjased agrinslauceva ra drag, ss Payer Sentry Viger ineniaring alates ane fT ak ov points nuk ces she ceeate. "The power on “ao main signe peth 's sorapial and