Madirectional couplers akajairwa microwave/millimeter wave zvikamu mukuyera kwemicrowave uye mamwe ma microwave masisitimu. Inogona kushandiswa kusiyanisa chiratidzo, kupatsanura, uye kusanganisa, sekutarisa simba, sosi inobuda simba kudzikamisa, chiratidzo sosi yekuzviparadzanisa, kutapurirana uye kuratidza frequency kutsvaira Muedzo, nezvimwe. Iyo inotungamira microwave simba divider, uye chinhu chakakosha chikamu. mune zvemazuva ano swept-frequency reflectometers. Kazhinji, kune akati wandei mhando, senge waveguide, coaxial mutsara, stripline, uye microstrip.
Mufananidzo 1 dhiyabhorosi dhizaini yechimiro. Iyo inonyanya kusanganisira zvikamu zviviri, iyo mainline uye yekubatsira mutsara, iyo inosanganiswa neimwe neimwe kuburikidza nemhando dzakasiyana dzemakomba madiki, slits, uye mapundu. Naizvozvo, chikamu chesimba rekupinza kubva ku "1" pamucheto mukuru chichabatanidzwa kune yechipiri mutsara. Nekuda kwekukanganiswa kana superposition yemafungu, simba rinongofambiswa richitevedza yechipiri mutsara-imwe nzira (inodanwa "mberi"), uye imwe Inenge isina simba rekufambisa mune imwe hurongwa (inonzi "reverse").
Mufananidzo 2 ndeye-cross-directional coupler, imwe yemachiteshi mu coupler yakabatana kune yakavakirwa-mukati inofananidzira mutoro.
Kushandiswa kweDirectional Coupler
1, yemagetsi synthesis system
Iyo 3dB inotungamira coupler (inowanzozivikanwa se3dB zambuko) inowanzo shandiswa mune yakawanda-inotakura frequency synthesis system, sezvakaratidzwa pamufananidzo uri pazasi. Rudzi urwu rwedunhu runowanikwa mukati memukati akagoverwa masisitimu. Mushure mekunge masaini f1 uye f2 kubva maviri emagetsi amplifiers achipfuura nepakati pe 3dB inotungamira coupler, kubuda kwechiteshi chega chega kune maviri mafrequency zvikamu f1 uye f2, uye 3dB inoderedza amplitude yeimwe neimwe frequency chikamu. Kana imwe yematerminal inobuda yakabatana kune inonwisa mutoro, imwe inobuda inogona kushandiswa sesimba sosi ye passive intermodulation kuyerwa system. Kana iwe uchida kuvandudza kuparadzaniswa zvakare, iwe unogona kuwedzera zvimwe zvinhu zvakaita semafirita uye zvitsaura. Kuparadzaniswa kwebhiriji rakanyatsogadzirwa 3dB kunogona kupfuura 33dB.
Iyo inotungamira coupler inoshandiswa musimba rekubatanidza system imwe.
Iyo inonangidzirwa golly nzvimbo seimwe application yekubatanidza simba inoratidzwa mumufananidzo (a) pazasi. Mudunhu iri, kutungamira kweanotungamira coupler kwakashandiswa zvine hungwaru. Tichifunga kuti madhigirii ekubatanidza emacouplers maviri ese ari 10dB uye dhairekitori ari ese 25dB, kuparadzaniswa pakati pef1 nef2 magumo i45dB. Kana mapopu ef1 nef2 ari ese ari 0dBm, iyo yakasanganiswa kubuda ndeye -10dBm. Kuenzaniswa neWilkinson coupler mumufananidzo (b) pazasi (yakajairika kukosha kwekuzviparadzanisa nevamwe ndeye 20dB), iyo yakafanana yekuisa chiratidzo cheOdBm, mushure mekutanga, pane -3dBm (pasina kufunga nezvekurasika kwekuisa). Kuenzaniswa neiyo inter-sample mamiriro, isu tinowedzera chiratidzo chekuisa mumufananidzo (a) ne7dB kuitira kuti kubuda kwayo kuenderane nenhamba (b). Panguva ino, kuparadzaniswa pakati pef1 nef2 mumufananidzo (a) "kunoderera" "Is 38 dB. Mhedzisiro yekupedzisira yekuenzanisa ndeyekuti inotungamira coupler's simba synthesis nzira ndeye 18dB yakakwirira kupfuura iyo Wilkinson coupler. Ichi chirongwa chakakodzera chiyero che intermodulation chegumi amplifiers.
Iyo inotungamira coupler inoshandiswa musimba rekubatanidza system 2
2, inoshandiswa kugashira anti-kupindira kuyerwa kana kuyerwa kwekunyepedzera
Mune iyo RF bvunzo uye kuyerwa sisitimu, dunhu rinoratidzwa mumufananidzo uri pazasi rinowanzo kuoneka. Ngatitii DUT (mudziyo kana midziyo iri kuedzwa) inogamuchira. Muchiitiko ichocho, chiratidzo chepakati chekupindira chinogona kubaiwa mune chinogamuchira kuburikidza nekuguma kwekubatanidza kweanotungamira coupler. Ipapo muyedzo akabatanidzwa akabatana navo kuburikidza neanotungamira coupler anogona kuyedza iyo inogashira kuramba-chiuru chekukanganisa kuita. Kana iyo DUT iri nharembozha, inotapurirana nhare inogona kuvhurwa neakazara tester yakabatana kumagumo ekubatanidza kweanotungamira coupler. Ipapo spectrum analyzer inogona kushandiswa kuyera kuburitsa kwenhema kwefoni yechiitiko. Ehe, mamwe mafirita maseketi anofanirwa kuwedzerwa pamberi peiyo spectrum analyzer. Sezvo uyu muenzaniso uchingotaura nezve mashandisirwo eanotungamira couplers, iyo sefa yedunhu inosiiwa.
Iyo inotungamira coupler inoshandiswa kune anti-kukanganisa kuyerwa kweanogamuchira kana kureba kwehurefu hwenharembozha.
Mudunhu rino rekuyedza, kutungamira kweiyo inotungamira coupler kwakakosha zvakanyanya. Iyo spectrum analyzer yakabatana kusvika kumagumo inongoda kugamuchira chiratidzo kubva kuDUT uye haidi kugamuchira password kubva kumagumo ekubatanidza.
3, yechiratidzo sampling uye yekutarisa
Transmitter online kuyerwa uye yekutarisa inogona kunge iri imwe yeanonyanya kushandiswa mashandisirwo eanotungamira couplers. Iyi inotevera nhamba ndeye yakajairika mashandisirwo eanotungamira couplers kune cellular base station kuyerwa. Ngatitii simba rekuburitsa retransmitter iri 43dBm (20W), iko kubatanidzwa kweanotungamira coupler. Huwandu huri 30dB, kurasikirwa kwekuisa (kurasikirwa kwemutsara pamwe nekurasikirwa kwekubatanidza) ndeye 0.15dB. Magumo ekubatanidza ane 13dBm (20mW) siginecha yakatumirwa kune base station tester, iyo yakananga kuburitsa kweinotungamira coupler i42.85dBm (19.3W), uye kuvuza iSimba riri padivi rakasarudzika rinotorwa nemutoro.
Iyo inotungamira coupler inoshandiswa kuyera base station kuyerwa.
Anenge ese ma transmitters anoshandisa nzira iyi yekuenzanisira yepamhepo uye yekutarisa, uye pamwe nzira iyi chete ndiyo inogona kuvimbisa kuyedzwa kwekuita kweiyo transmitter pasi pemamiriro ekushanda akajairwa. Asi zvinofanirwa kucherechedzwa kuti zvakafanana ndeye transmitter bvunzo, uye vakasiyana vanoedza vane matambudziko akasiyana. Tichitora zviteshi zveWCDMA semuenzaniso, vashandisi vanofanirwa kutarisisa zviratidzi mubhendi ravo rekushanda (2110 ~ 2170MHz), semhando yechiratidzo, mu-channel simba, yakatarisana nechiteshi simba, nezvimwe. iyo inobuda yekupedzisira ye base station A narrowband (senge 2110 ~ 2170MHz) inotungamira coupler yekutarisa iyo transmitter's in-bhendi mamiriro ekushanda uye kuitumira kunzvimbo yekudzora chero nguva.
Kana iri regulator yeredhiyo frequency spectrum-iyo redhiyo yekutarisa chiteshi kuti iedze zvinyoro zvinyoro zviteshi zviratidzo, kutarisa kwayo kwakasiyana zvachose. Zvinoenderana neredhiyo manejimendi ekutemerwa zvinodiwa, bvunzo frequency renji inowedzerwa kusvika ku9kHz ~ 12.75GHz, uye yakaedzwa base chiteshi yakakura kwazvo. Yakawanda sei yakashata radiation ichagadzirwa mu frequency bhendi uye kukanganisa kushanda nguva dzose kwezvimwe zviteshi zvebhesi? Kunetseka kwenhepfenyuro dzekutarisa redhiyo. Panguva ino, inotungamira coupler ine bandwidth yakafanana inodiwa pachiratidzo sampling, asi inotungamira coupler iyo inogona kuvhara 9kHz ~ 12.75GHz inoita kunge isipo. Isu tinoziva kuti kureba kweruoko rwekubatanidza kweanotungamira coupler kune hukama nepakati frequency frequency. Iyo bandwidth ye Ultra-wideband directional coupler inogona kuwana 5-6 octave mabhendi, akadai se0.5-18GHz, asi frequency bhendi pazasi 500MHz haigone kuvharwa.
4, kuyera simba repamhepo
Mune iyo kuburikidza-mhando yekuyera simba tekinoroji, iyo inotungamira coupler chishandiso chakakosha kwazvo. Mufananidzo unotevera unoratidza dhiyagiramu yedhizaini yeyakajairwa kupfuura-nepamusoro-simba rekuyera system. Iro simba remberi kubva kune amplifier pasi peMuedzo inotorwa neiyo yekumberi yekubatanidza yekupedzisira (terminal 3) yeanotungamira coupler uye inotumirwa kumagetsi mita. Simba rinoratidzwa rinotorwa nereverse coupling terminal (terminal 4) uye rinotumirwa kumamita emagetsi.
A directional coupler inoshandiswa kuyera simba repamusoro.
Ndokumbira utarise: Pamusoro pekugamuchira simba rinoratidzwa kubva pamutoro, reverse coupling terminal (terminal 4) inogamuchirawo simba rekudonha kubva kune yekumberi nzira (terminal 1), iyo inokonzerwa nekutungamira kweanotungamira coupler. Simba rinoratidzwa ndiro iro muyedzi anotarisira kuyeresa, uye simba rekudonhedza ndiro rinokonzeresa zvikanganiso mukuyerwa kwesimba kunoratidzwa. Simba rinoratidzwa uye simba rekudonha rakaiswa pamusoro pekupedzisira reverse coupling (4 magumo) uye wozotumirwa kumamita emagetsi. Sezvo nzira dzekufambisa dzemasaini maviri akasiyana, iri vector superposition. Kana iyo leakage simba rekuisa kumamita emagetsi richikwanisa kufananidzwa nesimba rinoratidzwa, rinoburitsa kukanganisa kukuru kwekuyera.
Ehe, iro rinoratidzwa simba kubva pamutoro (kuguma 2) richadonhawo kumberi kwekubatanidza kumagumo (kuguma 1, isina kuratidzwa mumufananidzo uri pamusoro). Kunyange zvakadaro, ukuru hwayo hushoma kana huchienzaniswa nesimba remberi, iro rinoyera simba remberi. Iko kukanganisa kunoguma kunogona kuregererwa.
Beijing Rofea Optoelectronics Co., Ltd. iri muChina "Silicon Valley" - Beijing Zhongguancun, ibhizimusi repamusoro-soro rakatsaurirwa kushandira masangano ekutsvagisa epamba nekunze, masangano ekutsvagisa, mayunivhesiti uye bhizinesi vashandi vezvesainzi. Kambani yedu inonyanya kuita mukutsvagisa yakazvimirira uye kusimudzira, dhizaini, kugadzira, kutengesa kwezvigadzirwa zveoptoelectronic, uye inopa mhinduro nyowani uye nehunyanzvi, masevhisi emunhu evaongorori vesainzi uye mainjiniya emaindasitiri. Mushure memakore ekuzvimiririra innovation, yakagadzira akapfuma uye akakwana akatevedzana ezvigadzirwa zvemafotoelectric, ayo anoshandiswa zvakanyanya mumaspala, mauto, zvekufambisa, simba remagetsi, mari, dzidzo, zvekurapa uye mamwe maindasitiri.
Tiri kutarisira kubatana newe!
Nguva yekutumira: Kubvumbi-20-2023