Zvinhu Zvakanakisisa zveRogers High-Dk PCB zveCompact RF Designs

Sezvo RF hardware ichiva diki uye ichibatanidzwa zvakanyanya, mainjiniya anotarisana nedambudziko rakajairika: nzvimbo yacho inoramba ichidzikira, asi magadzirirwo e resonant akadai se patch antennas, couplers, filters, uye maficha anoenderana achiri kushandisa nzvimbo yakakosha yebhodhi. Panguva iyoyo, miniaturization haichagoni kuvimba nekushanda kwemarongerwo chete. Maitiro emagetsi emidziyo yePCB ine Dk yepamusoro anova chikamu chehurongwa hwekugadzira pachahwo.

Ndipo panova nekugadzirwa kweRogers high Dk PCB . Mumadhizaini mazhinji ema microwave ne antenna, kushandisa dielectric constant yakakwira kunobvumira mainjiniya kuderedza saizi yedunhu uku vachichengetedza maitiro eRF akadzorwa muzvinhu zve RF PCB uye mashandisirwo ezvinhu zve microwave PCB. Asi kusarudza substrate ine Dk yakakura hakusi kungosarudza nhamba yepamusoro pane datasheet. Mhuri yezvinhu, nzira yekugadzirisa, kugadzikana kwe thermomechanical, uye kushivirira kugadzirwa zvese zvinokanganisa kana bhodhi rakapedzwa richishanda sezvakarongwa.

Gwaro iri rinotsanangura mashandisirwo anoitwa zvinhu zvePCB zvine simba kubva kuRogers mukugadzirwa kweRF uye microwave, nzira yekusarudza pakati pezvimwe zvinhu zvakajairika zvakaita seRogers RO3035 , Rogers RO3006 , Rogers RO3010 , Rogers RO4360G2 , uye Rogers TMM10i , uye kuti ndeapi mitemo yekugadzira inonyanya kukosha kana uchichinja kubva pakushandisa simulation kuenda pakugadzira.

Kumbira Mutengo weRogers High-Dk Fabrication

Chii Chinonzi High-Dk PCB Material Uye Nei Zvichikosha?

Mukugadzirwa kweRF ne microwave, dielectric constant yakakwira inoderedza wavelength inoshanda yechiratidzo mukati me substrate. Ndosaka chinhu chePCB chine DK yepamusoro chinowanzo sarudzwa kana chinangwa chiri chekudzikisa saizi chaiyo yema patch antennas, resonators, mafirita, ma couplers, nezvimwe zvivakwa zvakapararira. Mukutaura kwakajeka, chinhu chebhodhi hachisisiri chekutakura michina chete. Chinova chikamu chechimiro chemagetsi chinosarudza impedance, phase response, coupling behavior, uye resonant dimensions. Nekugadzirwa kweRT /duroid 6010.2LM high-Dk board , RF feature geometry diki inoita kuti kuzivikanwa kwezvinhu uye kugamuchirwa kwedimensional kuve kwakakosha mukudhirowa kwekugadzira.

Izvi zvinonyanya kubatsira mumasisitimu ane zvipingamupinyi zvakanyanya pakurongedza, zvakaita se compact radar modules, dense wireless front ends, satellite communication hardware, uye antenna network dzinofanira kukwana mukati memaenvelopu emakanika mashoma. Mumagadzirirwo iwayo, kuderedza saizi yebhodhi pasina kurasikirwa nehunhu hweRF hunofungidzirwa kunogona kukosha kupfuura kushandisa laminate inodhura zvishoma. Izvi zvinoita kuti kusarudza zvinhu kuve kwakakosha zvikuru mukusarudza zvinhu zvePCB zvine frequency yakakwira ye compact antennas uye microwave circuits.

Zvisinei, kusarudzwa kweDk yepamusoro kunofanira kugara kwakabatana nebasa chairo redunhu. Mamwe mapurojekiti anoda miniaturization shoma uye maitiro akagadzikana e microwave. Mamwe anoda kudzikiswa kwehukuru hwakasimba mumakomba akamanikana. Mamwezve anonyanya kufarira kugadzikana kwekuvaka uye kumhanya kwekugadzira pane kuwedzera dielectric constant. Ndosaka sarudzo yekusarudza zvinhu ichifanirwa kugara ichifunga nezvezvinangwa zvemagetsi uye chokwadi chekugadzira, kwete chete kukosha kweDk imwe chete. Kune macircuits eRO3210 ari pa PTFE laminate ine permittivity yakakwira , miniaturization inofanira kuongororwa pamwe chete nemaitiro ekuboorera chaiwo echinhu uye kushivirira kwe conductor kwapera.

Ndezvipi Zvinonyanya Kukosha paKugadzira High-Dk RF?

Chinhu chikuru chinobatsira che substrate ine Dk yakawanda ndechekuita kuti zvinhu zvisashande zvakanaka. Kugara kwenguva refu kwe dielectric kunoita kuti RF structures dzisatore nzvimbo yakawanda, izvo zvinobatsira vagadziri kuti vasunungure nzvimbo yekufambisa zvinhu, vapfupise nzira dzekupa zvinhu, uye vagadzire mashandiro akawanda munzvimbo yakatarwa. Asi mukana uyu unouya nekuchinjana kwakakosha kunofanira kutarisirwa pakutanga kwechikamu chekugadzira.

Kubatsirwa kweMiniaturization

Kune ma antenna akamanikana, ma resonant structures, uye ma microwave layouts akabatanidzwa zvakanaka, kuwedzera Dk kunogona kuderedza footprint pasina kumanikidza shanduko yakazara yezvivakwa. Ichi ndicho chimwe chezvikonzero zvikuru nei mainjiniya vachienzanisa zvinhu zvakaita seRO3006, RO3010, uye TMM10i kana nzvimbo yebhodhi yava shoma. Kune zvikwata zvinoongorora kuti zvingasarudza sei zvinhu zvePCB zvine Dk yakawanda, mubvunzo unonyanya kukosha hausi weDk yakakosha zvakanyanya, asi kuti ndechipi chinhu chinopa chiyero chakakodzera chekuderedza saizi, kugadzikana kwemagetsi, uye kugona kugadzirwa.

Mutengo wekugadzira weBatsiro Iroro

Sezvo dielectric constant ichiwedzera, kuchengetedza target impedance inowanzoda kuti trace geometry ive shoma uye kuti field control ive yakasimba. Izvi zvinoreva kuti bhodhi rapera rinova nyore kubatwa ne etch tolerance, copper profile, dielectric thickness, plated transitions, uye stackup consistency. Kana mugadziri asingakwanise kubata ma build variables iwayo zvakasimba, mhedzisiro yemagetsi inogona kuchinja kubva pakugadzirwa kwakaitwa. Kune ma high-permittivity TMM13i circuit boards , kuderedzwa kwehukuru kunofanirwa kuenzaniswa ne fabrication tolerances uye sensitivity ye RF geometry yapera.

Nemamwe mashoko, dhizaini ye-high-Dk haisi yekusarudza laminate iri nani chete. Inyaya yekugamuchira hwindo rekuita rakamanikana. Kana sensitivity yemagetsi yedunhu yakakwira, ndipo panonyanya kukosha pakugadzira. Ichi ndicho chikonzero nei zvinhu zvakanakisisa zvePCB zve-high-Dk zvekugadzira RF zvinoenderana nekushandiswa chaiko kwete ne-dielectric constant chete. Kune ma microwave boards madiki anoshandisa RT/duroid 6006 , kunaka kwehukuru kunofanirwa kuongororwa pamwe chete nekukora kwe substrate, kurasikirwa kwe conductor uye kushivirira kwe etching kuripo.

Maitiro Ekusarudza Pakati peRO3035, RO3006, uye RO3010

Mumhuri yeRogers ine zvinhu zvakawanda, zvinhu zvitatu izvi zvinomiririra mazinga akasiyana ekuita kuti zvinhu zvisanyanya kuomesesa uye chinangwa chekugadzira. Hazvifanirwe kubatwa sezvinogona kuchinjaniswa.

• Rogers RO3035: Kana chinangwa chikuru chiri maitiro akagadzikana e dielectric uye mashandiro eRF anofungidzirwa, asi dhizaini yacho isingade kudzikiswa zvakanyanya, Rogers RO3035 inzvimbo yekutanga inoshanda. Inokodzera nzira dzeRF signal, network dzinoenderana, couplers, filters, uye antenna-related structures uko kuenderana kwezvinhu kunokosha uye dhizaini inogona kutsungirira Drk iri pakati nepakati.
• Rogers RO3006: Kana marongero acho achida RF geometry yakawanda asi achiri kukoshesa kurasikirwa kushoma uye maitiro emagetsi akagadzikana, Rogers RO3006 inova sarudzo yakasimba yepakati-pasi. Inowanzo batanidzwa nemafirita, ma amplifiers emagetsi, ma couplers, antenna networks, uye ma radar-related circuits uko Drk yakakwirira inobatsira kuderedza saizi pasina kuenda kune yakanyanya kusimba miniaturization level.
• Rogers RO3010: Kune magadzirirwo eantenna akamanikana, ma microwave anopenya, uye mamwe mabhodhi eRF uko substrate inoshandiswa zvakananga kuderedza saizi yedunhu, Rogers RO3010 ndiyo sarudzo inonyanya kushanda. Inokodzera kana kumanikidzwa kwenzvimbo kwakakwira, asi inodawo kudiwa kukuru kwekutevera kwakarurama, mhando yekuchinja kweplate, kugadzikana kwestackup, uye kubatanidzwa kwakadzorwa.

Nzira iri nyore yekufunga nezvesarudzo ndeiyi: RO3035 inokodzera magadzirirwo anotungamira maitiro eRF akagadzikana, RO3006 inokodzera magadzirirwo ari kutsvaga kuenzana pakati pekuderedza saizi uye kushanda kwakasimba kwe microwave, uye RO3010 inokodzera magadzirirwo uko kusimba kuri chinhu chikuru chinodiwa nemagetsi. Kune mainjiniya vachienzanisa zvinhu zvePCB yeDk yepamusoro ye antenna miniaturization, kufambira mberi uku kunopa pokutangira kunobatsira.

Zvakakoshawo kuti tisamanikidze mashandisirwo asina hukama muchikamu cheDk. Semuenzaniso, fiber optic tether spool PCB inogona kunge iine geometry yakamanikana uye electromechanical integration inoda, asi zvinhu zvayo zvinokosheswa ne tension control, motor coordination, sensing, uye system architecture pane ne high-Dk RF miniaturization chete. Izvi zvinoita kuti ive muenzaniso unobatsira wekugadzira PCB ine nzvimbo shoma, asi kwete humbowo hwekuti chimiro chega chega chebhodhi chisingawanzoitiki chinoda high-Dk substrate.

Kana RO4360G2 iri Sarudzo Iri Nani Yekugadzira

Chimwe chezvinhu zvikuru zvinobatsira mukugadzira zvinhu zvakawanda ndechekuti zvinhu zviviri zvinogona kutsigira zvinangwa zvakafanana zvekugadzira asi zvichishanda zvakasiyana mufekitori. Apa ndipo panonyanya kuoneka Rogers RO4360G2 .

RO4360G2 yakaiswa se thermoset laminate yakazadzwa ne hydrocarbon ceramic ine dielectric constant ye 6.15. Izvi zvinoita kuti ive inokwezva zvikuru kune zvikwata zvinoda RF miniaturization ine simba asi zvakare zvinoda process flow iri pedyo ne standard FR-4. Zvichienzaniswa nenzira dzakavakirwa pa PTFE, izvi zvinogona kurerutsa kugadzirwa uye kuderedza zvimwe zvezvipingamupinyi zveprocess zvine chekuita nekugadzirira uye kugadzirwa kwehybrid.

Kune akawanda ma front ends e5G, broadband amplifiers, antenna subsystems, uye mixed RF builds, chinhu chinobatsira zvikuru hachisi icho chine Drk yepamusoro. Ndicho chinoenzanisa mashandiro emagetsi nekugadzirwa kunogona kukura. Mumamiriro ezvinhu akadaro, RO4360G2 inowanzova mhinduro iri nyore kugadzira, kunyanya kana nguva yekutungamira, kudzokorora, uye kugona kugadzira zvichikosha seRF compactness.

Nei TMM10i Ichishandiswa Munzvimbo Dzinoda Zvakawanda

Kana dhizaini ichida dielectric constant iri pedyo ne10 asi ichidawo kufungidzira kwakasimba kwehukuru, Rogers TMM10i inova yakakosha zvikuru. Inotsanangurwa se thermoset hydrocarbon resin yakazara neceramic, ichipa isotropic Dk ye9.80. Maitiro iwayo e isotropic akakosha mumasekete uko kugadzikana kwe dielectric muma axes akawanda kunobatsira pakushanda kweRF kwakasimba.

TMM10i inowanzo shandiswa pakugadzira ma "compact patch antennas", ma "power amplifier boards", ma "cavity-related structures", uye ma "microwave circuits" uko "Dk" yakakwirira uye "thermomechanical stability" yakasimba zvakakosha. Inogona kukodzera nzvimbo dzinoda simba remuchadenga, satellite, uye dziviriro uko vagadziri vanoda huwandu hwemagetsi hwakanyanya pasina kushandisa "brittle ceramic substrates".

Zvisinei, TMM10i haifanirwe kutsanangurwa se "isina simba" kumatambudziko ekuvimbika. Nzira iri nani yekuigadzirisa ndeyekuti inogona kuderedza njodzi munzvimbo dzinoda simba kana dhizaini nekuvaka zvese zvikagadziriswa nemazvo. Dambudziko rayo rekugadzira rakasiyana nezvinhu zvakagadzirwa nePTFE: kuzara kweceramic kunogona kuwedzera kusakara kwemidziyo uye kuita kuti kuboora nekufambisa zvinhu zviome. Saka kunyangwe ichipa mabhenefiti ane musoro ethermomechanical, ichiri kuda mutengesi anonzwisisa miganhu yekugadzirisa michina yezvinhu.

Kuitwa Kwefekitori: Chii Chinonyatso sarudza Kushanda Kwekupedzisira kweRF

Kusarudza kukosha kwakakodzera kweDk papepa hakuvimbisi kuti bhodhi richabudirira. Kushanda zvakanaka kweDk RF kunoenderana nekuti dhizaini yacho inogara kwenguva yakareba sei pakugadzirwa. Izvi zvinosanganisira kudzora magadzirirwo emhando yetrace geometry, kutsanangurwa kwemhangura, mhando yekuboorera, kuvimbika kweplating, kugadzikana kwehukobvu hwe dielectric, kugadzikana kwelamination, uye kurongeka kwekupedzisira kwekuunganidza.

Sezvo substrate ichiva nesimba guru pamagetsi, kunyangwe kusiyana kudiki kwejometri kunogona kukosha zvakanyanya. Matanho akatetepa, chimiro chemativi, huremu hwemhangura, uye kushandurwa kwakapetwa zvese zvinobatsira kuimpedance yekupedzisira uye maitiro akagadziriswa edunhu. Ndosaka kuvaka kwakakwirira-Dk kuchiwanzoda ongororo yeDFM yakadzama kupfuura mabhodhi eRF akajairwa.

Kuti chigadzirwa chibudirire, fekitori inofanira kuongorora zvinhu zvinotevera isati yaburitswa:

• Kurongeka kwezvikamu: ukobvu hwe dielectric uye chimiro chemhangura zvinofanirwa kutsigira impedance yakatarwa uye kugoverwa kwemunda.
• Tsanangudzo yekutevera: Mitsetse yeRF, zvikamu zvinopenya, uye mageometri ekuburitsa zvinoda kudzorwa kwakasimba.
• Kuboora nekugadzira simbi: kuburikidza nemhando yepamusoro, kuramba uchiisa mapurasitiki, uye nzira dzekugadzirira zvinhu zvakasiyana-siyana zvinokanganisa kuvimbika uye kugona kudzokorora kwemagetsi.
• Sarudzo yehuremu hwemhangura: Zvikamu zvakakosha zveRF zvinowanzo batsirwa nemhangura yakatetepa yebase kuderedza kukanganisa kweprofile uye kuchengetedza geometry iri pedyo nechinangwa chekugadzira.
• Kudzora gungano: Kurongeka kweconnector, kuramba kuri pasi, dhizaini yestencil, uye chimiro chekupisa zvese zvinopesvedzera maitiro ekupedzisira eRF.

Ndosaka kukosha kukuru kwekugadzira PCB yeRogers high Drk kusiri kungowana zvinhu chete. Kugona kubatanidza sarudzo yezvinhu, kuronga zvinhu, hurongwa hwekuvaka RF, uye kuita kwekuunganidza mukuita basa rekugadzira rinodzokororwa.