Tsika RF Cables uye PCB Kubatanidzwa kweSeamless Kubatana

Chii chinonzi RF Cables?

RF Cables (Radio Frequency cables) inyanzvi dzekubatanidza dzakagadzirirwa kufambisa masaini mumhando dzakasiyana dzeredhiyo. Iwo chikamu chakakosha chekutaurirana kwemazuva ano uye emagetsi masisitimu, uko yakaderera kurasikirwa tambo dzeRF uye chaiyo RF tambo kusangana kwakakosha kuchengetedza kuita uye kuvimbika.

Hunhu Hunokosha uye Mabasa eRF Cables

• Kufambiswa kweHigh-Frequency Signals
  Tambo dzeRF dzakagadzirwa kuti dzitakure masaini mukati meRF spectrum, kubva kune mashoma megahertz (MHz) kuenda akati wandei gigahertz (GHz), ine sarudzo senge tsika RF tambo dzakagadzirirwa kune chaiyo application zvinodiwa.
• Rakareba Range reZvikumbiro
  Iwo anowanzo shandiswa munhare, aerospace, dziviriro, uye midziyo yekurapa, yekubatanidza michina yakaita seantenna, maredhiyo, uye transmitters. Kunyanya, RF coaxial tambo dzekutaurirana dzisina waya dzakaiswa zvakanyanya kuti ive nechokwadi chekubatanidza isina musono.
• High-Frequency Signal Kutendeseka
  Mukana wekutanga weRF tambo kugona kwavo kuchengetedza chiratidzo chekuvimbika kunyangwe mukuda nzvimbo dzepamusoro-frequency. Kudzivirira uye kuvaka kunobatsira kudzikisira, kuve nechokwadi chekufambisa kwakasimba uye kwakajeka kwechiratidzo.
• Kuvaka Kwekuita
  Kushandiswa kwezvinhu zvepamberi, nzira dzekudzivirira, uye kunyatsogadzira kugadzira kunovimbisa kuti tambo dzeRF dzinounza kushanda kwemagetsi kunoenderana, kunyanya mumashandisirwo anoda kuderera kwekuisa kurasikirwa uye kugadzikana kwechikamu chekupindura.
• Kushandisa Kwakasiyana-siyana
  RF tambo hadzina kugumira kune imwe indasitiri. Izvo zvakakosha pakutepfenyura, data network, setiraiti masisitimu, uye bvunzo michina, uko kuvimbika uye kusimba kwakakosha.

Muchidimbu, tambo dzeRF - ingave yakajairwa kana tsika RF tambo mhinduro - inoita basa rakakosha mukugonesa yakavimbika, yepamusoro-inoshanda yekubatanidza mumaindasitiri. Kusarudzwa kwavo kwakakodzera uye kubatanidzwa mumagungano emagetsi kunokanganisa zvakananga kushanda kwehurongwa uye kuvimbika kwenguva refu.

Cable Types uye Zvivako

Kuvaka uye mhando dzeRF tambo dzinosiyana zvakanyanya, imwe neimwe yakagadzirirwa mashandisirwo chaiwo uye maitiro ekuita:

1. Coaxial Makabati
   • Inner Conductor: Central conductor yakakomberedzwa ne dielectric insulator.
   • Outer Conductor: Inoshanda senhoo, inowanzogadzirwa nesimbi.
   • Frequency Range: Inowanzo shandiswa kusvika ku6 GHz.
   • Mitauro:
     • RG-174: Yakatetepa uye inochinjika, yakakodzera kusvika ku3 GHz.
     • RG-58: Kurasikirwa kwakaderera, kunoshanda kusvika ku1 GHz.
     • RG-8 uye RG-213: Yakakora uye yakagadzirirwa kushandiswa kwesimba repamusoro.
     • Semi-Rigid: Inoratidzira yakasimba conductor, inoshandiswa kusvika ku18 GHz.
2. Twinaxial Cables
   • Kuvaka: Makondakita maviri emukati ane twists kuchengetedza hunhu hwakaenzana.
   • Shandisa: Yakanakira kuendesa data, inotsigira kumhanya kusvika ku10 Gbps.
3. Triaxial Cables
   • Dhizaini: Zvakafanana nekoaxial tambo asi ine yekuwedzera nhovo layer.
   • Shielding: Inopa yakanyanya ruzha kusadzivirirwa nekuda kwekuwedzera kudzivirira.
4. Waveguides
   • Chimiro: Hollow simbi mapaipi anotungamira RF masaisai.
   • Frequency Range: Inoshandiswa kune frequency pamusoro pe18 GHz, ichipa yakaderera chiratidzo kurasikirwa kunyange kusvika ku100 GHz.
5. Leaky Feeder Cables
   • Dhizaini: Coaxial tambo dzine periodic slots munhovo.
   • Basa: Inovhenekera chiratidzo pamwe nehurefu hwetambo, inowanzoshandiswa mumukati mawireless system kugovera.

Imwe neimwe tambo yemhando inoita basa rakasiyana, inoenderana neinosiyana zvinodiwa maererano ne frequency, kubata simba, uye mamiriro ezvakatipoteredza.

Bata isu nhasi kuti tiwane akanakisa RF tambo uye kusimudzira ako emagetsi masisitimu!

Zvishandiso zveRF Cables

RF tambo dzinowana kushandiswa kwakakura mumaindasitiri akasiyana siyana uye maapplication nekuda kweakavimbika masaini ekufambisa masimba. Heano dzimwe nzvimbo dzakakosha uko RF tambo dzinowanzo shandiswa:

Wireless Kutaurirana

• Antenna inodyisa kutumira uye kugamuchira masaini
• Kubatanidza zviteshi zvepasi kuti ive nechokwadi chekutaurirana pasina musono
• Yakagoverwa antenna masisitimu ekuvandudza kuvharika uye kugovera masaini

Wireless Networks

• Kubatanidza ma routers, mapoinzi ekuwana, uye anodzokorora kumisikidza isina waya network
• Yakagadzirwa cabling muzvivakwa kuti ipe network yekubatanidza
• Nzvimbo dzedata uye makamuri evhavha kuitira kufambiswa kwedata kwakanaka

Nhepfenyuro yeTV/Radhiyo

• Studio wiring uye antenna feed yenhepfenyuro
• Inotakurika michina yekubatanidza yekutepfenyura uri kuenda
• Kugadziriswa kwekunze kwekunze kwechiitiko kutepfenyura

Aerospace / Kudzivirirwa

• Airborne radar uye avionics masisitimu ekutaurirana nendege uye kufamba
• Shipboard uye kutaurirana kwemotokari yezvifambiso zvengarava uye zvepasi-zvakavakirwa
• Missile kutungamira masisitimu ekunangisa chaiko
• Robhoti masisitimu anodzora mumotokari dzemuchadenga dzisina munhu uye mota dzepasi

Zvirongwa Zvekurapa

• MRI uye midziyo yekufungidzira yepamusoro-resolution yekurapa imaging
• Kubatanidza mudziyo wekuvhiya kuti unyatso kudzora uye kutarisa panguva yemaitiro
• Murwere wekutarisa masisitimu echokwadi-nguva yekutarisa hutano

Kuedza uye Kuyera

• Kubatanidza midziyo yekuyedza senge majenareta echiratidzo, oscilloscopes, uye ma spectrum analyzer ekuyera kuyerwa.
• Anechoic chamber wiring yenzvimbo dzakadzorwa dzekuyedza

Kudzivirira muRF Cable Assemblies

Kudzivirira muRF cable assemblies chinhu chakakosha chinoita kuti masaini arambe akasimba uye kuderedza kupindirana kwemagetsi ( EMI ). Izvi zvinosanganisira kushandisa conductive layer, inowanzogadzirwa nezvinhu zvakaita semhangura kana aruminiyamu, yakakomberedza tambo. Iyi conductive shield inoshanda sechipingamupinyi, ichidzivirira external EMI kuti isakanganise chiratidzo uye kumisa RF signal iri mukati metambo kuti isabude uye ichikanganisa mimwe midziyo.

Kudzivirira kunoshanda kwakakosha munzvimbo dzine mazinga akakwira eEMI, senge zvigadziriso zvemaindasitiri, zvivakwa zvekurapa, kana nzvimbo dzine midziyo yemagetsi yakawanda. Kubudirira kwekudzivirira kunoenderana nezvinhu zvakaita sechinhu chinoshandiswa, nzvimbo yekuvhara, uye dhizaini yetambo. Tambo dzakadzivirirwa zvakanaka dzinoona kufambiswa kwemasaini kwakajeka, kwakakosha pakuvimbika uye kurongeka kwekutaurirana uye data system.

Zvakatipoteredza Zvinhu Zvinokanganisa RF Cables

RF tambo dzinoratidzwa kune akasiyana siyana mamiriro ezvakatipoteredza anogona kukanganisa kuita kwavo uye kusimba. Kunzwisisa zvinhu izvi kwakakosha kuti uve nechokwadi chekufambisa kwechiratidzo uye kuchengetedza hupenyu hurefu hweRF cable yekumisikidza. Heano mamwe akakosha ezvakatipoteredza zvinhu zvekufunga nezvazvo:

1. tembiricha
   Kunyanya kupisa kunogona kukanganisa zvivakwa zvemagetsi uye kutendeseka kwemuviri kweRF tambo. Tembiricha yakakwira inogona kukonzera kurasikirwa kwechiratidzo, kuwedzera kudzikisira, uye kunyange kudzikisira kwekudzivirira. Nekune rimwe divi, tembiricha yakaderera inogona kuita kuti tambo dziite brittle, zvichikonzera kuwedzera kukonzeresa kukuvara kana kuputsika.
2. Humidity uye Hunyoro
   Hunyoro uye hunyoro hunogona kukonzera ngura uye oxidation yetambo yezvinoitisa zvinhu, zvichitungamira mukuderedzwa kwechiratidzo uye kuwedzera kuramba. Inogona zvakare kukanganisa dielectric zvimiro zvetambo, zvichikonzera kuchinjwa impedance uye kurasikirwa kwechiratidzo. Munzvimbo dzine hunyoro hwepamusoro, kuvharwa kwemvura kwakaringana uye kuvharisa tambo kwakakosha kudzivirira nyaya idzi.
3. Kuratidzwa kune Makemikari
   Tambo dzeRF dzakaiswa munzvimbo dzinosangana nemakemikari, senge zvivakwa zvemaindasitiri kana marabhoritari, dzinoda kushingirira kukanganisa kwemakemikari. Mamwe makemikari anogona kukanganisa kuvharisa kwetambo, kudzivirira, kana majoini, zvichitungamira mukukanganiswa kwechiratidzo, kurasikirwa, kana kutadza kutadza kwetambo. Kusarudza tambo dzine makemikari-resistant zvinhu uye kwakakodzera tambo manejimendi maitiro akakosha pakuchengetedza kushanda munzvimbo dzakadai.
4. Mechanical Stress
   RF tambo dzinogona kusangana nekushushikana kwemagetsi nekuda kwezvinhu zvakaita sekukotama, kuchinjika, kana kuzunguza. Kubhenda kwakanyanyisa kana kusarongeka kunogona kukonzera kurasikirwa kwechiratidzo, kuwedzera kudzikisira, uye kunyange kutsemuka kwetambo. Vibration inogona kusunungura zvibatanidza kana kukuvadza chimiro chetambo, zvichikanganisa kutendeseka kwechiratidzo. Yakakodzera tambo routing, dhizaini, uye tambo yekudzivirira matanho anodiwa kuti uderedze kushushikana kwemagetsi.
5. Electromagnetic Kukanganiswa (EMI)
   Tambo dzeRF dzinogona kukanganiswa nekukanganiswa kwemagetsi kubva pamidziyo yemagetsi iri padyo, tambo dzemagetsi, kana zvimwe zvitubu zveRF. EMI inogona kuunza ruzha rusingadiwe kana kukanganisa chiratidzo chaunoda, zvichitungamira kune yakashata chiratidzo chemhando. Yakakodzera tambo yekudzivirira uye kuita pasi kunobatsira kuderedza kukanganiswa kweEMI uye kuve nechokwadi chekufambisa kwemasaini.

Nekutarisa izvi zvakatipoteredza zvinhu uye kuita matanho akakodzera, akadai sekusarudza tambo dzakagadzirirwa chaiwo mamiriro ezvakatipoteredza, kushandisa kwakaringana tambo dzekutonga tambo, uye nekutevera maindasitiri akanakisa maitiro, kuita uye kusimba kwetambo dzeRF kunogona kugadziridzwa, kuve nechokwadi chekufambiswa kwechiratidzo chakavimbika mumashandisirwo akasiyana siyana. .

RF Cable Gungano uye Kuiswa

RF tambo kusangana uye kuisirwa kunosanganisira akati wandei akakosha matanho uye kufunga kuti ive nechokwadi chekushanda kwakanaka uye kuita. Hezvino zvimwe zvakakosha:

Kuungana kweMawaya eElektroniki: Kuungana kwemawaya eRF kunosanganisira tambo nezvinobatanidza. Kune mhando dzakasiyana dzezvinobatanidza zvecoaxial, zvakaita seSMA, SSMA, TNC, N-Type, DIN, nezvimwewo, zviripo. Kubatana kwakagadzirwa nemachina chaiwo kunoita kuti chiratidzo chitumirwe zvakanaka.

Kubatanidza Zvinobatanidza: Zvinobatanidza zvinogona kubatanidzwa patambo uchishandisa matekiniki akasiyana-siyana, kusanganisira kusungirira, kupwanya, kudzvanya, kana nzira dzekubatanidza dzakagadzirwa. Sarudzo inoenderana nerudzi rwechinobatanidza uye kuvakwa kwetambo.

Kufambisa Nekuchengetedza: Kungwarira kunofanira kutorwa pakufambisa nekuchengetedza tambo nemazvo. Dzivisa kukotama kana kukotama zvakanyanya, uye simbisa tambo dziri munzira yadzo usingadzisimbise zvakanyanya. Zvisungo, kusungira, uye mapombi zvinogona kushandiswa pakutarisira tambo nemazvo. Kusiya zvisungo zvebasa pakubatanidza kunobvumira kuchinjika mune ramangwana.

Kudzivisa Kupindira: Kuti kuderedza kupindira, zvakakosha kuchengetedza tambo dzakadzivirirwa zvakanaka uye kuchengetedza kuparadzaniswa kwakakodzera pakati padzo. Kushandisa mapatani ekuyambuka kunogona kubatsira kuderedza kubatana. Kumisa pasi nekuvhara kunofanirwa kuitwa nemazvo kuchengetedza kusimba kwechiratidzo.

Kudzivirira mamiriro ekunze: Munzvimbo dziri kunze kana kuti dzine njodzi, matanho ekudzivirira mamiriro ekunze anodiwa. Zvinhu zvakakosha zvekuvhara jira zvinogona kudzivirira tambo kubva kuunyoro nezvinhu zvinokanganisa nharaunda. Marobhoti anogona kushandiswa kubvisa hunyoro kubva panzvimbo dzinobatanidza, uye kuvhara zvinobatanidza kunodzivirira kupinda kwehunyoro.

Kudzivirira Mheni: Kudzivirira mheni kwakakodzera kwakakosha pakuisa RF panze. Tambo dzinodzika dzinopinda muzvivakwa dzinobatsira kubvisa mheni. Zvinodzivirira mheni zvinogona kuiswa kuti zvibvise simba remheni. Zvinodzivirira kukwira kwemhepo zvinogona kushandiswawo pamidziyo kudzivirira kubva pakukwira kwemagetsi kusingadzokeri.

Nekutevera matanho aya uye kufunga nezvezvinhu izvi panguva yekubatanidza nekuisa tambo yeRF, unogona kuve nechokwadi chekuti sisitimu yeRF inoshanda zvakanaka, inoshanda zvakanaka, uye inodzivirirwa . Inobatsira kuchengetedza kuvimbika kwechiratidzo, kuderedza kupindira, uye kudzivirira njodzi dzezvakatipoteredza uye kukwira kwemagetsi.

Bata isu paHighleap Electronic kuti tiwane premium RF tambo uye uzvisanganise zvisina musono mumagungano ako ePCB.

Cable Kuedza

RF tambo yekuyedza inzira yakakosha yekusimbisa mashandiro uye kuvimbika kwetambo dzinoshandiswa muRF masisitimu. Kunyatsoyedzwa kunovimbisa kuti tambo inosangana nemagetsi, mechanika, uye zvakatipoteredza isati yatumirwa.

Paunenge uchigadzira iyo RF system, zvinhu zvakaita semodules, ICs, zvinobatanidza uye tambo zvinosarudzwa zvichienderana nezvinodiwa. Nepo kutarisisa kunowanzo kune zvinhu zvinoshanda, kungwarira kunofanirwa kutorwa mukutenga uye kuyedza passive interconnects setambo. Vanogona kugadzira kana kuputsa maitiro ehurongwa.

Kana tambo yatengwa, kuyedzwa kunosimbisa kana ikasangana nezvinodiwa zvekushandisa. Maparamendi akakosha senge kurasikirwa kwekuisa, kurasikirwa kwekudzoka, VSWR, kudzivirira kushanda zvakanaka, kugadzikana kwechikamu uye kubata kwesimba kunofanirwa kuongororwa. Izvi zvinoda kunzwisisa nzira dzakasiyana dzekuedza, hunyanzvi hwekugadzirisa, zviyero, kushivirira uye chiridzwa.

Test Parameters uye Nzira

Kurasikirwa Nekuiswa: Inoyera kuderera kwechiratidzo kuburikidza netambo pamusoro pebhendi rekushanda kwefrequency uchishandisa vector network analyzer (VNA). Jenareta inotsvaira inotyaira VNA. Tambo iri kuyedzwa (CUT) yakabatana pakati pechinobatanidza chinongedzo nechiteshi chekuedza cheVNA. Kurasikirwa kana frequency inonyorwa.

Kurasikirwa Nekudzoka: Kunoongorora kuti tambo yacho yakabatana zvakanaka sei nemidziyo yakabatana. Kusawirirana zvakanaka kunokonzera kuratidzwa kwechiratidzo. Uchishandisa VNA, kurasikirwa nekudzoka kunoyerwa nekuenzanisa zvikanganiso zvekuseta bvunzo uye wobva wagumisa CUT ne load. Kurasikirwa nekudzoka kunoonekwa mubhendi rese.

VSWR: Zvine chekuita nekurasikirwa nekudzoka, VSWR inotarisa chero kusagadzikana kweimpedance kunokonzera kuratidzwa. VSWR yakakwira inoratidza kusawirirana kunoderedza masaini.

Kushanda Kwekudzivirira: Kunosimbisa kugona kwechidzitiro chetambo kudzivirira kukanganiswa kubva kuminda yekunze inopenya. Kunoitwa uchishandisa michina yekuyedza yakasarudzika inopinza masaini uye inoyera kupinda kwetambo.

Kunonoka Kupararira: Kunoyera nguva yekupararira kwemasaini kuburikidza netambo. Zvakakosha kumapurogiramu anoda nguva chaiyo uye kuenderana. Kunowanikwa nekuyera chikamu kana kunonoka kwenguva zvichienzaniswa nekuwanda.

Kugadzikana kwechikamu: Kunoongorora kutsauka kwechikamu kwemasaini pamusoro pekuchinja kwekupisa uye kubata kwemuchina. Kunovandudza kururama kwesisitimu uye kuyera. Kuchinja chikamu kunoyerwa uchishandisa VNA uku uchisimbisa tambo.

Kubata Simba: Kunoedza kana tambo ichikwanisa kutsungirira mazinga esimba reRF asina kukuvara kana kupisa kwakanyanya. Inoshandiswa uchishandisa jenareta yechiratidzo uye inotarisa tembiricha yetambo uye maparameter.

Radius Yakakombama: Waya inokombamiswa kakawanda kutenderera radii dzakasiyana uye inoedzwa kuti ione kana magetsi apera zvakanaka. Inovimbisa kuchinjika kwekuisa nekushandisa.

Kuedzwa Kwezvakatipoteredza: Kunoisa tambo pakupisa kwakanyanya, hunyoro, kudedera, kuvhunduka, ngura nezvimwewo zvichienderana nezvinodiwa nekushandisa uchishandisa makamuri akasarudzika.

Kuedzwa kweMichina: Waya inopwanywa, kukanganiswa, kumonyoroka uye kudhonzwa kuti ionekwe kuti yakasimba uye inogara kwenguva refu.

Kutevedzera Mitemo: Kunosimbisa kuti tambo iyi inosangana nezvinodiwa zvemagetsi, zvemakanika, zvezvakatipoteredza uye zvekuchengetedza zveindasitiri uye zvekushandisa.

Test Equipment uye Setup

Yakajairika cable test zviridzwa:

• Vector Network Analyzer (VNA): Inoyera kurasikirwa kwekuisa, kurasikirwa kwekudzoka, VSWR, chikamu nezvimwe.
• Nguva Domain Reflectometer (TDR): Inoshandiswa kune impedance kuyerwa uye nzvimbo yekukanganisa.
• Signal Generator, Power Meter: Gadzira zviratidzo zvekuedza, kuyera simba rekubata.
• Spectrum Analyzer: Inotarisa manyepo, harmonics, kukanganisa.
• Network Analyzer: Yekuyera capacitance, inductance uye mamwe magetsi paramita.
• Chambers: Ipa tembiricha, humidity, vibration, corrosion etc. stress screening.
• Magetsi, Amplifiers: Kurerekera, kutyaira tambo pasi pekuyedzwa.
• Mechanical Fixtures: Isa kukotama, kumonyorora, kupwanya uye kudhonza mauto.

Calibration uchishandisa zvinozivikanwa zviyero zvinobvisa systemic kukanganisa. Chaiyo chinongedzo, adapta uye tambo dzekuyedza dzinoshandiswa kubatanidza iyo CUT kuyedza michina. Automation inowedzera kukurumidza uye kudzokorora.

Kunyatsonyora zvinyorwa uye kuongororwa kwezviyero zvawanikwa zvakakosha. Pakazere, kwakaomarara bvunzo nzira inodiwa kusimbisa tambo chaiyo-yenyika kuita. Izvi zvinovimbisa kuvimbika kune akasiyana siyana ekushanda mamiriro kana akaiswa.

1. Kuisa Kurasikirwa Kuedzwa

Kurasika kwekuisa chiratidzo chekudzikisira kuburikidza netambo pamusoro pe frequency. Izvo zvinoenderana nehurefu hwetambo, kuvaka, frequency, bends etc. IL inoderedza zvakananga simba rechiratidzo, saka kuderedza IL kunodiwa. Yakarurama IL data aids system dhizaini.

Kupinza Kurasikirwa Zvinokonzera

Kurasikirwa neConductor: Kurasikirwa kunodzivirira muconductor yepakati nechidzitiro. Kunowedzera nekufamba kwenguva nekuda kweganda. Kuderera kune conductor yakakura.

Kurasikirwa neDielectric: Kurasikirwa kwechinhu chinodzivirira kupisa kunoita kuti zvinhu zvisanyanya kusimba, kunyanya kana zvanyanya kukwira. MaDielectric asina kusimba zvakanyanya akadai sePE ine furo anobatsira.

Kubuda kwemvura: Kurasikirwa nemwaranzi kubva pakudzivirira kusina kukwana. Kufukidzwa kwekudzivirira kuri nani kunovandudza kubuda kwemvura.

Kurasikirwa neVSWR: Kusawirirana pazvinobatanidza kana kuchinjika kunoita kuti simba ridzoke kumashure kwete kuti ritumirwe.

Kurasikirwa kweConnector: MaInterfaces anowedzera kusagadzikana uye kusabatana. Maconnector emhando yepamusoro anoderedza izvi.

Kurasikirwa Nekukombama: Kukombama kunowedzera kurasikirwa nemwaranzi uye kudzvanywa kwejaketi. Kukombama kukuru kunoita kuti pave nekurasikirwa kushoma.

Matambudziko eKubatanidza: Kusagadzirira zvakanaka uye kusabatana zvakanaka kunowedzera kusabatana. Kusabatana zvakanaka kunokonzera kusiyana.

Kupinza Kurasika Testing

midziyo

• Vector network analyzer ine tambo dzekuyedza
• Tsvaira jenareta, amplifier
• Directional couplers, attenuators
• Detector uye magetsi sensors
• Calibration kits

nzira

1. Unganidza test setup: jenareta, couplers, test cables, VNA
2. Calibrate midziyo, kunyanya inotungamira kune mudziyo uri pasi pekuyedzwa
3. Batanidza tambo pasi pekuyedzwa pakati pe coupler nenzira neVNA
4. Gonesa matani ekutsvaira uye rekodha yekuisa kurasikirwa paVNA pamusoro pe frequency renji
5. Kuyera IL pane akawanda epakati ma frequency uye spans kuvhara yakazara huwandu
6. Enzanisa mhedzisiro nezvakatsanangurwa. Ita ongororo yekudzokorora.
7. Kutadza kuongororwa pamatambo ane kurasikirwa kwakanyanya
8. Document results for all samples to contqin

Insertion kurasikirwa kuyedzwa kunosimbisa tambo attenuation iri mukati memiganhu uye yakagadzikana pamusoro peinodiwa frequency renji. Dhata inobatsira mukugadzira sisitimu uye fungidziro yekuita.

2. Dzorera Kurasikirwa Kwekuedza

Kudzosa kurasikirwa (RL) kunoratidza kuti tambo inofananidzwa sei nemidziyo yainobatanidza. Mismatches inokonzeresa zviratidziro zvechiratidzo izvo zvinogona kudzikisira kuita. RL inobatwa nekubatanidza kubatanidza, tambo prep uye kubata. Saka kuyera RL kwakakosha kuti ukwanise tambo dzakaungana.

Kurasikirwa kwekudzoka kunoenzanisa simba rechiratidzo chechiitiko kune simba rinoratidzwa rinokonzerwa pa discontinuities senge connector interfaces. Ireshiyo inoratidzwa kune chiitiko simba mudB. Kurasikirwa kwepamusoro kwekudzoka mudB kunoratidza kudzika kwakadzika uye kuenzanisa zviri nani.

Tambo yakanyatsoenderana ingave isingaperi yekurasikirwa kwekurasikirwa. Asi mukuita maitiro ari pamusoro pe15 kusvika 20dB anogamuchirwa. Kurasikirwa kwekudzoka kwepasi kunoratidza kusawirirana kunokonzeresa zviratidzo zvechiratidzo. Izvi zvinogona kukanganisa zviratidzo zvinofambiswa zvichikonzera kukanganisa kwedata.

Kurasika kwakashata kwekudzoka kungada kudimburira kureba kwetambo, kuunganidzazve zvinobatanidza, kana kutsiva tambo dzakakuvadzwa. RL inofanirwa kuve yakasimbiswa kuti ive nechokwadi chekushanda kwakanaka muRF masisitimu.

Nzira dzeKwayedza

Sarudzo dzakakurumbira dzekuyera kurasikirwa kwetambo:

Vector Network Analyzer: Inobvumira kuyerwa kweRL kwakapfava pamusoro pehuwandu hwema frequency. Ma directional couplers anoparadzanisa ma incident uye ma reflection signals. Ma VNA emazuva ano anopa calibrated uye akarurama broadband results.

Cable Analyzers: Zvishandiso zvekuyedza zvakatsaurirwa zvine source, coupler uye meter yekuyera RL pamafrequencies akasiyana kana kupfuura. Zvimwe zvinosanganisira kugona kwe time-domain reflectometry (TDR).

Mamita eNoise Figure: Anopa kugona kwekuyera RL pamwe chete nenhamba yeruzha. Kuedza nekukurumidza RL inogamuchirwa.

Spectrum Analyzer: Nekushandisa generator yekutevera uye coupler, inogona kuyera RL kana frequency. Basa rekugadzirisa rakawanda rinodiwa.

Reflectometers: Midziyo yakatsaurirwa kuyera reflectivity uchishandisa mabhiriji uye magadzirirwo akagadzirwa. Inoshandiswa kune mamwe mabhendi emafrequency.

Calibration

Kuti ubvise zvikanganiso nekuda kwebvunzo tambo, zvinongedzo uye couplers, calibration inodiwa usati wayera tambo pasi pekuyedzwa. Ipfupi, yakavhurika, kurodha, uye kuburikidza neyakagadzika zviyero zvinoshandiswa kugadzirisa iyo yekuyera ndege. MaVNA emazuva ano ane otomatiki calibration routines kuti zvive nyore.

Dzorera Kurasika Kuyera Matanho

1. Rongedza midziyo yekuyedza yekudzoka kurasikirwa kuyerwa. Batanidza zvinhu zvakaita se coupler, jenareta, ma detectors.
2. Ita calibration uchishandisa yakakodzera pfupi, yakavhurika, mutoro, thru zviyero.
3. Batanidza tambo pasi pekuyedzwa. Kugumisa kure kure muhunhu impedance.
4. Gonesa masaini ekuyedza uye tarisa kudzoka kurasikirwa vs frequency. Gadzirisa chikero chekugadzirisa kwakanaka.
5. Kudzosa kurasikirwa pane chero frequency inogona kuverengwa uchishandisa mamakisi. Roti shoma, yakanyanya kukosha.
6. Enzanisa mhedzisiro nezvakatsanangurwa. Dzokorora kune zvose zvibatanidza.
7. Ziva chero kukanganisa uye kugadzirisa sezvinodiwa nekumisazve, kuyera zvakare kana kuunganidza zvakare.
8. Document results. Kupasa/kufoira zvichibva pane zvinodiwa.

Yakakodzera kudzoka kurasikirwa kuyedzwa kunokwana tambo yekusangana mhando uye Matching. Inova nechokwadi chekushanda kwehurongwa hwakanaka uye inodzivirira nyaya dzemumunda nekuda kwekusawirirana.

3. VSWR Testing

VSWR (voltage yakamira wave ratio) inoyera impedance kusawirirana mumatambo anokonzera kuratidza. Ireshiyo yehukuru kusvika kudiki voltage mune yakamira wave nekuda kwemafungu ekumberi uye anotaridza mafambiro.

VSWR inoratidza discontinuities inomuka kubva kune yekubatanidza mismatches kana mutsauko wetambo impedance. Mutsara wakanyatsoenderana waizova neVSWR ye1. Mitemo kusvika ku1.5 inowanzogamuchirwa.

Zvikonzero zvePamusoro VSWR

• Kutadza kucheka tambo kana kubvisa zvinotungamira kune shanduko ye impedance
• Low quality kana zvisina kufanira connector attachment
• Zvisizvo tambo prep senge nicked conductor kana kusakwana kupindirana
• Kukuvadza kana kubhenda kushandura tambo impedance
• Kusvibiswa kunokanganisa nzvimbo dzekubatanidza
• Cable flexing zvichikonzera dimensional shanduko

VSWR Measurement Techniques

• Vector Network Analyzer: Inoyera VSWR kubva kune impdance kana kudzorera kurasikirwa data. Hapana zvishongedzo zvinodiwa.
• Yakatsaurirwa VSWR Meter: Yakananga inoratidza VSWR. Directional coupler nzira dzemberi uye dzinoratidza masaini.
• Spectrum Analyzer: Nekutevera jenareta uye coupler, VSWR inogona kutorwa kubva mukurasikirwa kwekudzoka.
• Slotted Line: Inobvumira kusarudza min/max voltage nzvimbo kuverenga VSWR. Kunyanya kusashanda nhasi.
• Reflectometers: Yakareruka VSWR zvishandiso uchishandisa bhiriji uye detector. Kunyatsoita zvishoma.

Matanho ekuyera VSWR

1. Gadzirira bvunzo kuseta neVSWR mita kana VNA ine coupler
2. Ita kuenzanisa chiridzwa sezvinodiwa
3. Batanidza tambo pasi pekuyedzwa, misa kure kure muZ0
4. Bvisa chiratidzo chekuyedza uye tsvaira yaunoda frequency renji
5. Rekodha VSWR panguva dzakasiyana kana max/min pamusoro penguva
6. Ongorora mhedzisiro uye enzanisa kune inogamuchirwa miganhu
7. Ongorora zvakare mushure mekugumiswazve kana kubatanidza zvakare kana zvichidikanwa
8. Gwaro VSWR mhedzisiro yemasampuli ese

Yakanaka mhando RF tambo dzinofanirwa kunge dzakaderera, dzinoenderana VSWR pane iyo inoshanda bhendi. VSWR yekuyedza inowana chero detung nyaya isati yaiswa.

4. Phase Stability Testing

Kugadzikana kwechikamu kunoratidza kuti RF tambo inochengetedza sei nguva dzose chikamu pamusoro pekuchinja kwezvakatipoteredza senge tembiricha pamwe chete nemakanika kubata senge kuchinjika uye vibration. Kugadzikana kwechikamu kurinani kunovandudza kurongeka kwehurongwa uye kuenzanisa.

Phase kugadzikana zvikanganiso zvinomuka nekuda kwedimensional uye dielectric inogara ichichinja pamusoro petembiricha pamwe nemechani deformation inoshandura kureba kwemagetsi. Tambo dzepamusoro dzinoshandisa zvinhu zvakasarudzika uye hunyanzvi hwekuvaka kusimudzira kugadzikana kwechikamu.

Kudzikama kwechikamu chekuyedza kunosanganisira kuyera chikamu kana shanduko yehurefu hwemagetsi mumatambo uchizviisa pasi pekupisa kana kushushikana kwemagetsi. Kuchinja kwechikamu chepamusoro kunoratidza kugadzikana.

Test Methodology

midziyo

• Thermal chamber inokwanisa kuita kanenge -40C kusvika 85C kushanda
• Tafura yevibration ine frequency frequency uye amplitude
• Vector network analyzer kuyera chikamu
• Phase-yakagadzikana test cables, connectors
• Fixtures kubata uye nzira tambo

nzira

1. Pima mhinduro yechikamu patembiricha yemumba sereferensi
2. Ramp tembiricha pane inodiwa siyana (semuenzaniso -40C kusvika 85C)
3. Kuyera chikamu vs. tembiricha uye rekodhi peak kutsauka
4. Chinyorwa tambo kune vibration kuyedzwa kubva pa10 Hz kusvika 2 kHz
5. Ongorora kuchinja kwechikamu vs. vibration frequency
6. Dzokorora pamasampuli akawanda uye zvinyorwa zvinyorwa
7. Ongorora kana kuita kunoenderana nezvinodiwa

Kuvandudza Phase Kugadzikana

• High density polyethylene dielectric
• Silver plated conductors
• Yakabhadharwa / yakaenzana kuvaka
• Bonded laminates
• Yakasununguka bhachi ye flexure tolerance
• Kudzivisa plasticizers
• Kuderedza kupinza kwemwando

Kuyedza kugadzikana kwechikamu kunosimbisa kushanda kwetambo kune inoda maapplication anosanganisira satellite kutaurirana, radar uye calibration masisitimu.

5. Cable Bend Testing

Cable bend yekuyedza inoongorora iyo shoma bend radius iyo RF tambo inogona kushivirira pasina kusvibisa kuita kwemagetsi. Bend radius yakavakirwa padhayamita yetambo. Mabhendi akasimba anowedzera mwaranzi uye kurasikirwa kwejacket compression.

Bend kuyedzwa kunosanganisira kudzokorodza kuchinjisa tambo dzakatenderedza mandrel madhayamita akasiyana, uye kuyera paramita senge kurasikirwa kwekuisa mushure mebvunzo yega yega. Iyo dhayamita diki ine mhedzisiro inogamuchirika inosarudza inoshandisika bend radius.

Bend Loss Mechanisms

• Jacket Compression: Braid inotsikirirwa padyo nekondakita, ichichinja impedance uye kuwedzera kurasikirwa.
• Dielectric Stress: Insulator inosimbiswa, inoshandura maitiro emagetsi
• Radiation Loss: Mabhenji anosimudza simba remumunda achibvumira simba rakawanda kupenya kunze
• Conductor Deformation: Central conductor inosimbiswa nemabhendi akasimba
• Kukuvadzwa Kwechimiro: Kupeta kwakanyanya kunogona kutyora ma conductor kana nhoo
• Metallic Creep: Kukotama kwenguva refu kunoita kuti simbi inokambaira ichinje kuita

Bend Testing Nzira

• Shandisa mandrels ane madhayamita akasiyana, kazhinji anosiyana ne6 mm
• Putira tambo kutenderedza mandrel kweinenge 90 madhigirii
• Ita zvishoma zvekukotama gumi kune imwe neimwe dhayamita diki
• Edza makiyi ma paramita sekudzoka kurasikirwa uye kurasikirwa kwekuisa mushure meseti yega yega
• Ongorora tambo mumuviri kune chero kukuvara kwejaketi kana kinks
• Dzokorora bend sequence kusvikira kushanda kwakaderera
• Iyo dhayamita yapfuura nekuita kunogamuchirika inocherechedzwa sediki bend radius
• Batanidza mibairo nemadimikira emugadziri

Bend tambo dzekuyedza usati watumirwa kunoderedza kutadza kwemunda uye kugadzirisa. Matambo akayerwa zvakanaka anovimbisa kuchinjika kwenzira pasina kushatisa kuita kwemagetsi.

6. Cable Power Handling Testing

Mabatiro emagetsi anoverengera iyo yakanyanya RF simba tambo inogona kufambisa pasina kukuvara kukuvadzwa kana kupfuura yakatemerwa tembiricha inokwira. Kuyedza kwakakosha kune yakakwirira simba malink. Simba rakawandisa rinogona kuparadza tambo.

Kubata kwesimba kunoenderana nekuvakwa kwetambo, zvinhu, dhayamita uye kutonhora. Kuedza kunosimbisa zviyero nekufambisa RF simba pamatanho akakwira akateedzana uchitarisa mamiriro etambo.

Test Methodology

midziyo

• RF chiratidzo jenareta inovhara inodiwa frequency bhendi
• Directional coupler, attenuator
• Simba sensors kuyera RF simba
• Thermocouples kana thermal kamera yekutarisa tembiricha
• Calorimeter (inosarudza) kunyatsoyera kupisa

nzira

1. Gadzirira bvunzo kusangana nechiratidzo jenareta, coupler, simba sensor uye tambo pasi pekuyedzwa
2. Tanga pamazinga akaderera emagetsi akapoteredza 1 watt
3. Kuwedzera RF simba mumatanho, kubvumira tembiricha kudzikama
4. Monitor cable tembiricha pamwe nekureba kwayo
5. Enda kusvika ku50% yakakwirira kupfuura yakayerwa mabatiro emagetsi
6. Tarisa kukuvara senge dielectric yakanyunguduka
7. Dzokorora pamatanho ebasa akasiyana uye ma frequency
8. Simba repamusoro-soro rinotsigirwa mukati memiganhu rinotarisa kuyera kwesimba

Kumisikidza nemazvo tambo yekubata magetsi inodzivirira kuwedzeredza tambo dzekuchengetedza mutengo kana kutsanangura zvine njodzi izvo zvinokuvadza masisitimu.

mhedziso

Kusarudza iyo yakakwana RF tambo yakakosha kune yakakwirira-frequency application, asi akasiyana sarudzo anogona kuita kuti sarudzo inonetsa. Kuongorora makiyi ma paramita akadai se frequency renji, nhanho yesimba, uye mamiriro ezvakatipoteredza kwakakosha kuwiriranisa tambo nezvinodiwa zvekushandisa. Kudyidzana nevagadziri vane mbiri vanogadzira RF tambo dhizaini uye inopa inowirirana kugadzira uye kuomarara kuyedzwa kwakakosha. Hunhu hwemhando uye huinjiniya hwakajeka hunovimbisa kuita, kuvimbika, uye kukosha kwenguva refu.

KuHighleap Electronic , kunyange zvazvo tisingagadzire tambo dzeRF, tinoshandisa network yedu yakakura yevagadziri vetambo dzeRF vakavimbika kuti tibatsire vatengi vedu kuwana tambo dzeRF dzemhando yepamusoro, dzakagadzirirwa ivo pachavo. Kunyangwe muchida tambo dzisina kupinza zvakanyanya, kugadzikana kwechikamu chakanaka, kana dziviriro yepamusoro yenzvimbo dzakaoma, tinova nechokwadi chekuti mhinduro dzakakodzera dzinopihwa. Pamusoro pezvo, semupi anotungamira wekugadzira nekugadzira maPCB , tinopa kubatanidzwa kwetambo dzeRF mumagetsi enyu, tichivimbisa kuti mhando yepamusoro uye kuvimbika kwese kwese kwese kwezvigadzirwa zvenyu.

Kudyara mari mumatare eRF emhando yepamusoro kunogona kusanganisira mutengo wakakwira wekutanga, asi mabhenefiti enguva refu haarambiki—kushanda kwemagetsi kwepamusoro, kuderedzwa kwenguva yekushanda, uye kuvimbika kwesystem kuri nani. Nemasystem eRF achipa simba kune akawanda maapplication, kubva pakutaurirana kwewireless kusvika kune satellite uye radar systems, kusarudza tambo yakakodzera uye mubatsiri akavimbika seHighleap Electronic kunoita kuti masisitimu ako ashande nemazvo. Taura nesu nhasi kuti tikurukure nezvematambo eRF nePCB assembly , uye ngatibatsirei kuunza purojekiti yenyu kuhupenyu nehunyanzvi hwakasiyana uye sevhisi.

FAQ

1. Ndeapi marudzi akajairika eRF cables?

Iwo anonyanya kufarirwa tambo dzeRF anosanganisira coaxial, twinaxial, triaxial, waveguides, uye leaky feeder tambo. Pakati peaya, RF coaxial tambo ndidzo dzinonyanya kushandiswa mukutaurirana pasina waya, kutepfenyura, uye bvunzo michina nekuti inopa yakagadzikana impedance uye nekudzivirira kwakanaka. Kune zvehunyanzvi maapplication, tambo dzeRF dzetsika dzinogona kugadzirwa kuti dziunze kurasikirwa kwakaderera kana kusimbiswa kwechikamu.

2. Ungasarudza sei RF tambo dzekutaurirana dzisina waya?

Paunenge uchisarudza RF coaxial tambo dzekutaurirana dzisina waya, funga zvakakosha senge frequency renji, kurasikirwa kwechiratidzo, kushanda kwekudzivirira, uye mhando yekubatanidza. Kune yakakwirira-inoshanda network, yakaderera kurasikirwa RF tambo dzinobatsira kuchengetedza chiratidzo chekuvimbika pamadaro marefu. Mumasisitimu akaomarara, kusarudza tambo ine yakasimba shielding uye yakakodzera RF tambo kusangana inova nechokwadi chekushanda kwakavimbika munzvimbo dzakanyanya kupindira.

3. Ndeupi musiyano uripo pakati pecoaxial uye twinaxial RF tambo?

Coaxial RF tambo dzinoshandisa imwechete yepakati conductor yakakomberedzwa nekudzivirira, ichiita kuti ive yakakodzera kune yakakwira-frequency application uye kuendesa kure-kure. Kusiyana neizvi, twinaxial RF tambo dzine maviri emukati maconductor akamonereka pamwe chete, ayo anopa nani ruzha kusadzivirirwa uye anowanzo shandiswa kune yakakwirira-kumhanya dhijitari data. Sarudzo inoenderana nekuti iwe unoda yakaderera attenuation yeRF masaini kana kufambisa kufambisa kwekuvimbika kwedata.

4. Zvinhu zvakatipoteredza zvinokanganisa sei RF cable performance?

Tembiricha, hunyoro, kuratidzwa kwemakemikari, uye kushushikana kwemagetsi zvinogona kukanganisa zvakanyanya kusimba uye kushanda kwetambo dzeRF. Semuyenzaniso, tembiricha yepamusoro inogona kuwedzera attenuation, nepo hunyoro hunogona kukanganisa kudzivirira. Munzvimbo dzakaoma, tsika yeRF tambo mhinduro dzine majaketi emamiriro ekunze, kuvharika kwehunyoro, kana zvinhu zvinodzivirira kemikari zvinobatsira kuchengetedza kuvimbika kwenguva refu. Kufambisa kwakaringana uye kuzorora panguva yeRF cable kuungana zvakare kunoderedza kushushikana kwemagetsi.

5. Ndeipi miedzo inoshandiswa kuve nechokwadi cheRF cable quality?

RF tambo yekuyedza kwakakosha kusimbisa mashandiro isati yatumirwa. Miedzo yakajairika inosanganisira kurasikirwa kwekuisa, kurasikirwa kwekudzoka, VSWR, kugadzikana kwechikamu, kudzivirira kushanda nesimba, uye kubata simba. Kune mamishini-akakosha masisitimu, yakaderera kurasikirwa RF tambo dzinoyedzwa uchishandisa Vector Network Analyzer (VNA) kuona kuti dzinosangana nezvinodiwa. Yezvakatipoteredza uye mechanical stress bvunzo dzinoitwa zvakare kuratidza kusimba mumamiriro ezvinhu epasirese.