Yakakwira Frequency PCB Kukurukurirana Circuit Dhizaini uye Kugadzira

ziviso

Nekusimuka kwe5G network, satellite communication, IoT, uye radar systems, high-frequency PCBs (Printed Circuit Boards) dzave dzakakosha kutsigira kukurumidza kwekufambisa data. Aya maseketi anowanzo shanda pamafrequency anopfuura 1 GHz, ane millimeter-wave maseketi anosvika ku30 GHz kana kupfuura. Nekudaro, akadai ma frequency anounza matambudziko matsva ehunyanzvi ane chekuita nechiratidzo chekuvimbika, kurasikirwa kwezvinhu, kukanganiswa kwemagetsi (EMI), uye kunyatsogadzira.

Ichi chinyorwa chinopa huchenjeri hwakadzama, hwakadzama kutarisa kwehunyanzvi misimboti uye magadzirirwo zvinodiwa zvepamusoro-frequency kutaurirana maseketi paPCBs. Inoongorora zvakare mashandisirwo akakosha, zvinonetsa mukugadzira, uye mafambiro ari kubuda kuti aenderane neari kubuda matekinoroji.

Mafungiro Akakosha eKukurukurirana Kwepamusoro Masenhu

Kushanda Frequency uye Bandwidth Kufunga

Yepamusoro-frequency maseketi anoshanda mumatunhu ane parasitic capacitance, ganda mhedzisiro, kurasikirwa kwedielectric, uye kukanganiswa kwemagetsi zvakanyanya kukanganisa kuita. Frequencies anonyanya kushandiswa ndeaya:

• RF matunhu: 1 MHz kusvika 1 GHz
• Microwave circuits: 1 GHz kusvika 30 GHz
• Millimeter-wave circuits: 30 GHz kusvika 300 GHz

Pama frequency aya, ma wavelength anova madiki, zvichiita kuti marongerwo ePCB uye dhizaini yemutsetse wekutumira zvive zvakakosha pakushanda. Kunyatso tarisa kufungisisa, kunonoka kwechikamu, uye kusagadzikana kwe impedance zvinova zvakakosha kuti chiratidziro chive chakasimba.

Zvishandiso zveHigh-Frequency PCBs

Sarudzo yezvinyorwa mu-high-frequency PCBs ndechimwe chezvinhu zvakakosha pakuona masaini kuita, kurasikirwa, uye kugadzikana kune akasiyana siyana emamiriro ekunze uye ekushanda. Sezvo mafrequency achiwedzera kupfuura mashoma GHz, zvakajairwa FR-4 zvinhu zvinova zvisina kukwana nekuda kwekurasikirwa kwakanyanya kwedielectric, kudzora kupisa, uye kusawirirana mune yavo dielectric kugara (Dk). Kuti isangane nezvinodiwa zveakakwira-frequency maseketi, mainjiniya anofanirwa kusarudza epamberi substrate zvinhu zvine yakaderera dielectric kugara (Dk), yakaderera kurasikirwa tangent (Df), uye yakagadzikana mashandiro pane ese anoshanda frequency spectrum.

Pazasi pane ongororo yakadzama yezvakanyanya kukodzera zvinhu zve-high-frequency application uye masimba azvo, matambudziko, uye nzvimbo dzekushandisa.

1. Common High-Frequency PCB Substrates

PTFE (Polytetrafluoroethylene, Teflon)

PTFE, inozivikanwawo seTeflon, chinhu chinoshandiswa zvakanyanya mu-high-frequency application nekuda kwekuderera kwayo zvakanyanya dielectric constant (Dk) ye ~ 2.1 uye kurasikirwa tangent (Df) pazasi 0.002. Inoita zvakanakisa mumaseketi anoshanda pamusoro pegumi GHz, ichiita kuti ive yakakodzera kutaurirana setiraiti, radar masisitimu, RF maseketi, uye microwave zvishandiso. Zvakanakira zvinosanganisira kushomeka kwechiratidzo chekudzivirira, iyo inochengetedza simba rechiratidzo pamusoro pemadaro marefu, uye yakakwira makemikari nekupisa kwekudzivirira, kuve nechokwadi chekusimba munzvimbo dzakaoma. Zvisinei, PTFE's non-stick properties inoita kuti zviome kugadzira uye kunamatira kumhangura, zvinoda unyanzvi hwekurarisa hwakaita seplasma etching. Pamusoro pezvo, inodhura, ichiganhurira kushandiswa kwayo mumagadzirirwo anoenderana nebhajeti.

Laminate yakakosha ine kurasikirwa kwakaderera (laminate yakakosha ine kurasikirwa kwakaderera, hydrocarbon-ceramic ine kurasikirwa kwakaderera Series)

Ma laminate emhando yepamusoro ane kurasikirwa kushoma ndeimwe sarudzo yakakurumbira yema PCB ane frequency yakakura, ane kukosha kweDk kuri pakati pe3.0 kusvika 10.2 uye kurasikirwa kuri pakati pe0.0018 ne0.0025. Zvinhu izvi zvinowanzo shandiswa muma 5G systems, antennas, power amplifiers, uye microwave circuits. Chinhu chikuru chakanakira ndechekuti Dk inogara iripo mu frequency range, izvo zvinobatsira kudzivirira kukanganiswa kwe phase. Ma laminate emhando yepamusoro ane kurasikirwa kushoma ari nyore kugadzirisa kupfuura PTFE uye anoenderana nemaitiro ekugadzira PCB akajairwa. Pamusoro pezvo, anoratidza kunyorova kushoma, zvichiita kuti zvive zvakanaka pakushandiswa panze. Zvisinei, anouya nemutengo wakakwira kupfuura FR-4 uye hydrocarbon-based laminates uye angangoda mamwe ma cooling solutions muma application ane simba guru nekuda kwekusakwana kwekupisa mune mamwe ma series.

Ceramic-Yakazara Laminates

Ceramic-yakazadzwa laminates inopa yakasarudzika musanganiswa yeakakwira mechanika kugadzikana uye yakanakisa yekupisa conductivity, ichiita kuti ive yakakodzera kune yakakwirira-simba RF zvikumbiro, mota radar (semuenzaniso, 77 GHz), uye setiraiti yekutaurirana masisitimu. Zvishandiso izvi kazhinji zvine Dk kukosha pakati pe6.0 ne10.0 uye kurasikirwa tangent ye ~ 0.002. Iyo yepamusoro mechani kugadzikana kunoderedza warping pasi peyakanyanya kupisa mamiriro, uye yakagadzika dielectric zvivakwa inovimbisa chaiyo chiratidzo chekufambisa nekufamba kwenguva. Nekudaro, maramu akazadzwa neceramic anorema kupfuura zvimwe zvinhu, izvo zvinogona kudzoreredza mukurema-sensitive application, senge satellite. Izvo zvakare zvinodhura uye zvakaoma kugadzirisa kupfuura hydrocarbon-based laminates, zvichiwedzera kuwedzera kuoma kwekugadzira.

Hydrocarbon-Yakavakirwa Laminates

Hydrocarbon-based laminates inobata chiyero pakati pemutengo nekushanda, ichipa Dk kukosha pakati pe2.5 ne3.3 uye Df kutenderera 0.003. Zvishandiso izvi zvinoshandiswa mune microwave kutaurirana masisitimu, IoT zvishandiso, RF module, uye nharembozha. Zvavanoda zvakakosha zvinosanganisira kurasikirwa kwemasaini kuderera zvichienzaniswa neFR-4 uye nyore kugadzirisa pane PTFE, zvichiita kuti ive yakakodzera kugadzirwa kwakakura. Uyezve, iwo anowirirana neyakajairwa PCB kugadzira matekiniki, ayo anorerutsa maitiro ekugadzira. Zvisinei, ma hydrocarbon-based laminates anopa chete kugadzikana kwekushisa kwepakati, izvo zvinomisa kushandiswa kwavo munzvimbo dzine simba guru kana yepamusoro-tembiricha, zvinoda kunyatsotariswa kwekugadzirisa kwekupisa.

2. Dielectric Constant (Dk) Kugadzikana uye Chiratidzo Kutendeseka

Iyo dielectric inogara (Dk) yakakosha parameter kune yakakwira-frequency maseketi nekuti inobata zvakananga kukurumidza kwechiratidzo chekuparadzira. Iyo yakaderera uye yakagadzikana Dk inova nechokwadi chekuti masaini anofamba zvakanaka nekunonoka kudiki, kuderedza mukana wekukanganisa chiratidzo kana kukanganisa kwenguva.

Mhedzisiro yaDk paSignal Propagation

• Yepamusoro Dk zvinhu zvinononotsa kupararira kwechiratidzo, izvo zvinogona kuunza kunonoka mune yakakwirira-kumhanya masisitimu ekutaurirana.
• Lower Dk zvinhu zvinogonesa kukurumidza kuparadzira chiratidzo, yakanakira yakakwira-frequency maseketi uko nguva uye kurongeka kwechikamu kwakakosha.

Dk Kugadzikana Pakati pe Frequencies

• Zvimwe zvinhu zvinoratidza Dk kusiyanisa pakati pe frequency renji, izvo zvinogona kuguma nechikamu chekuchinja uye waveform kukanganisa.
• Ma laminate e laminate ane low-loss uye ma substrates akazara neceramic anozivikanwa nemaitiro awo eDk akagadzikana, zvichiita kuti ashande zvakanaka pahuwandu hwakawanda hwema frequency.
• Kusagadzikana Dk kunogona kutungamira kune chiratidzo skew muakasiyana magadzirirwo maviri, akadai sePCIe, Ethernet, kana SerDes interfaces, uko masaini maviri anofanirwa kusvika kwainoenda mukuwirirana.

Signal Skew uye Differential Signal Timing Issues

Mumabhazi anomhanya-mhanya, akadai se USB 4.0, PCIe, kana 100G Ethernet, zviratidzo zvinoparidzirwa sezviviri zvakasiyana-siyana kuti zvivandudze kudzivirirwa kweruzha. Nekudaro, kana iyo dielectric zvimiro zvichisiyana, chiratidzo chimwe chinogona kusangana nekunonoka kuparadzira kwakasiyana pane imwe, zvichitungamira kune skew.

• Skew: Musiyano munguva dzekusvika pakati pemasaini maviri epairi yekusiyanisa.
• Impact: Skew inotungamira kune zvikanganiso zvishoma, yakaderedzwa kuvimbika kwedata, uye kuwedzera jitter, izvo zvinogona kukonzera kutadza kutaurirana.
• mhinduro: Shandisa zvinhu zvine Dk inowirirana uye yakaderera Df kuderedza skew uye kuona kuti masaini ese ari maviri anopararira nekumhanya kwakafanana.

3. Kurasikirwa kweTangent (Df) uye Kuparara Kwesimba

Iyo yekurasika tangent (Df), inozivikanwawo sekuti dissipation factor, inoyera simba rakarasika sekupisa kana masaini achipfuura nepakati pezvinhu zvedielectric. Mune yakakwirira-frequency maseketi, yakaderera Df kukosha kwakakosha kudzikisa chiratidzo attenuation uye kuchengetedza simba rechiratidzo munzira dzakareba dzekufambisa.

• PTFE nema laminate emhando yepamusoro ane low-loss low-loss ane Df values ​​yakaderera zvikuru, zvichiita kuti akwanise kushandiswa muma microwave nema millimeter-wave frequency.
• Yepamusoro Df zvinhu, senge mamwe maceramic-akazadzwa substrates, anogona kukonzera yakawedzera kupera simba, zvinoda nzira dzekutonhodza dziri nani.

4. Thermal Kugadzikana uye Mechanical Properties

High-frequency circuits inowanzoshanda munzvimbo dzine kusiyana kukuru kwekushisa. Sezvo zvinhu zvichiwedzera uye chibvumirano nekuchinja kwekushisa, dielectric zvimiro zvadzo zvinogona kuchinja, zvichikonzera nyaya dzekuita.

• PTFE neceramic-filled laminates inopa yakanakisa kugadzikana kwekupisa, kuchengetedza kuita kunoenderana kunyangwe munzvimbo dzakanyanyisa dzakadai sesatellite kana mota radar masisitimu.
• Hydrocarbon-based laminates inopa kugadzikana kwekudziya kwepakati asi kungangoda mamwe magadzirirwo ekutonhodza mukushandisa-simba repamusoro.

Pfupiso yeMirairo Yekusarudza Zvinhu

Pakusarudza zvinhu zvePCBs, mainjiniya anofanirwa kuenzanisa mutengo, kuita, kugadzira, uye zvakatipoteredza zvinhu. Pazasi kuenzanisa nekukurumidza:

Dhizaini Misimboti yeHigh-Frequency PCBs

Kugadzira yakakwira-frequency PCBs inoda nzira yakasimba yekuve nechokwadi chechokwadi chechiratidzo chekuvimbika uye kuita. Mafungiro akakosha anosanganisira kusarudzwa kwemitsara yekufambisa zvimiro, chaiyo impedance control, inoshanda EMI kudzikisira, uye kufunga kuburikidza nemanejimendi. Zvinhu izvi zvinoshanda pamwe chete kuchengetedza kutendeka kwechiratidzo mune yakakwirira-kumhanya maapplication.

1. Transmission Line Structures

Kusarudzwa kwematanho ekutapurirana zvimiro kwakakosha pakudzora impedance uye kuderedza kurasikirwa kwechiratidzo.

• Microstrip Line: Ichi chimiro chine chiratidzo chechiratidzo chepamusoro chePCB, chinonongedzwa kune ndege yepasi pasi. Kureruka kwayo kunoita kuti zvive nyore kuita; zvisinei, kuratidzwa kwayo kune zvakatipoteredza kunoita kuti ive nyore kukanganiswa nemagetsi emagetsi (EMI), zvingangokanganisa kunaka kwechiratidzo munzvimbo dzine ruzha.
• Stripline: Mukugadzira uku, chiratidzo chechiratidzo chakamisikidzwa pakati pendege mbiri dzepasi mukati mePCB stack. Iyi gadziriso inopa yakanakisa EMI kudzivirira uye inodzorwa impedance, zvichiita kuti ive sarudzo yakasarudzika yeakakwira-frequency application. Zvakangodaro, kuoma uye mutengo wekugadzira mitsetse inogona kuve yakakosha, ichida kunyatsoronga muchikamu chekugadzira.
• Coplanar Waveguide (CPW): Pano, chiratidzo chechiratidzo chakakomberedzwa nendege dzepasi pane imwechete layer, iyo inobvumira zviri nani impedance control uye kuderedzwa crosstalk. CPWs inofambisa inoshanda EMI kudzvinyirira uye inotsigira yakakwirira frequency mashandiro, ichiita kuti ive yakakodzera kune yepamusoro RF zvikumbiro.

2. Impedance Matching uye Kudzora

Yakarurama impedance kuenzanisa kwakakosha mune yakakwirira-frequency dhizaini kudzivirira zviratidzo zvinoratidzira zvinogona kudzikisira kuita. High-frequency zviratidzo zvinonyanya kunetseka kune impedance mismatches, izvo zvinotungamirira kudzoka kurasikirwa uye zvinogona kukanganisa zvakanyanya kutendeseka kwese kwechiratidzo.

Iyo hunhu impedance Z0 yetambo yekufambisa inogona kuverengerwa uchishandisa formula:

Where:

• Z0: Impedance mu ohms
• Dk: Dielectric nguva dzose yezvinhu
• h: Chinhambwe kubva pakuteedzera kuenda kundege yepasi
• W: Kufara kwemuitisi
• T: Kukora kwe conductor

Chiratidzo Kutendeseka uye EMI Mitigation muHigh-Frequency PCBs

Kuve nechokwadi chekuvimbika kwechiratidzo uye kuderedza kukanganiswa kwemagetsi (EMI) kwakakosha mukugadzirwa kwePCB yakakwira-frequency. Sezvo mafambisirwo ekushanda achiwedzera, nzira dzekudzikisa chiratidzo uye EMI manejimendi inowedzera kuoma. Pazasi, isu tinoongorora epakati tekinoroji matambudziko uye epamberi nzira dzekuchengetedza chiratidzo chekuvimbika uye kudzvanya EMI mumaseketi akakwira-frequency.

1. Yepamberi Signal Loss Mechanisms uye Mitigation Strategies

Yakakwira-frequency masiginecha anowanzo kune akawanda maitiro ekurasikirwa, uye kugadzirisa izvi kunoda kunzwisisa kwakadzama kwefizikisi-inofambiswa nemhedzisiro uye kudzikisira kwavo:

Ganda Mhedzisiro uye Kurasikirwa kweKondakita:

Pamafaro epamusoro, kudzika kweganda (kudzika kunobudirira kwekuyerera kwemazuva ano) kunoderera, kumanikidzira ikozvino kufamba chete pamusoro pemuitisi. Izvi zvinowedzera AC kuramba uye zvinobatsira mukurasikirwa kwekondakita. Kudzika kweganda δ kwakapesana kuenzana neskweya mudzi we frequency:

Mitigation: Kudzikisa kurasikirwa kweconductor, vagadziri vanogona kurongedza zviteshi nesirivha kana goridhe kuti vavandudze conductivity. Kushandisa mitsetse yakafara kana mhangura yakakora inogona zvakare kudzikisira mhedzisiro iyi.

Dielectric Kurasikirwa uye Kusarudzwa Kwezvinhu:

Kurasikirwa kweDielectric kunomuka kana chikamu chesimba rechiratidzo chikabatwa nePCB zvinhu uye kuparara sekupisa. Kurasika tangent (Df) inoyera kurasikirwa uku, uye yakakwirira yekushanda frequency inowedzera kuparara.
Kuderedza njodzi: Shandisa zvinhu zvine Df values ​​shoma (semuenzaniso, PTFE kana laminate specialty low-loss laminate) kuderedza kurasikirwa. Mumagadzirirwo ane simba guru, hybrid laminates (kubatanidza dielectrics low-loss ne substrates dzakasimba) zvinogona kuenzanisa mutengo nekushanda.

Radiation Loss uye PCB Layout Optimization:

Kurasikirwa nemwaranzi kunoitika kana tambo yekufambisa ichiita senge antenna, nekusaziva ichiburitsa simba munzvimbo. Mhedzisiro iyi inova yakawedzera kutaurwa pamafrequency pamusoro pe10 GHz kana mumitsara isina kuchengetedzwa zvakanaka.
Mitigation: Kugadziridza madhizaini ekutapurirana (semuenzaniso, stripline kana coplanar waveguides) kunoderedza mwaranzi. Pamusoro pezvo, kuchengetedza yakasimba trace-to-ground spacing inobatsira ine electromagnetic minda.

Crosstalk uye Parasitic Coupling:

Crosstalk mhedzisiro kubva kumagetsi kana magineti coupling pakati pemitsetse yechiratidzo. Sezvo nzvimbo yekutsvaga inodzikira uye frequency inowedzera, parasitic capacitance uye inductance inowedzera kukosha.
Mitigation: Shandisa mapeya akasiyana-siyana kune masaini-anomhanya-mhanya kuderedza akajairika-modhi ruzha. Kushandisa zviteshi zvevarindi zvakadzika pakati pemitsara yezviratidzo zvakakosha zvakare kunoderedza mhedzisiro yekubatanidza.

2. Precision EMI Mitigation Techniques muHigh-Frequency Designs

Kubudirira manejimendi yemagetsi kupindira (EMI) mune yakakwira-frequency PCB dhizaini inoda hunyanzvi hwepamusoro kupfuura maitiro ekutanga ekugadzirisa. Sezvo ma frequency achiwedzera, EM kupindirana kwemunda, parasitic mhedzisiro, uye yekudzoka nzira discontinuities inove yakakosha. Heano akati wandei epamberi nzira dzekudzora EMI zvinobudirira.

Inodzorwa Differential Pair Routing uye Tight Coupling

Mumagadzirirwo emhando yepamusoro-frequency, mapeya akasiyana anoshandiswa kudzikisa ruzha-modhi, asi anofanirwa kufambiswa nechaiyo nzvimbo uye kurongeka kuchengetedza kubatanidza kwakaringana. Kubatana kwakasimba kunoderedza mutsauko-kune-yakajairwa-modhi shanduko, kuderedza kuburitswa kweradiated uye kunatsiridza kutendeseka kwechiratidzo. Maturusi ekuenzanisa se ANSYS HFSS uye HyperLynx anobatsira mainjiniya-tune mutsauko wepairi nzira, kuve nechokwadi kushoma skew uye kuenderana kuita.

Kiyi Parameter: Akasiyana pairi anowanzo gadzirirwa 100-ohm impedance. Kutsauka kubva kune iyi kukosha kunogona kukonzera ratidziro, modhi shanduko, uye EMI nyaya, zvichikanganisa chiratidzo chemhando.

Ground Planes uye Low-Inductance Return Paths

Kuchengetedza ndege dzepasi dzisina kukanganiswa kunovimbisa kutariswa kwakavimbika kwezviratidzo uye kunoderedza EMI. Nekudaro, masaini anotevera nzira yekushomeka inductance, uye chero mapundu mundege dzepasi anounza discontinuities, zvichikonzera kuderera kwechiratidzo. Mune maPCB akawanda, nzira dzisina kufanira dzekudzoka dzinowedzera EMI nekugadzira inductive loops.

Mitigation: Shandisa stitching vias kubatanidza ndege dzepasi dziri padyo nepakati pematanho akasiyana, kuve nechokwadi chekuramba uchidzoka nzira. Iyi tekinoroji yakakosha kana masaini shanduko pakati pematanho kudzivirira nyaya dzeEMI uye kuchengetedza chiratidzo chekuvimbika.

Via Design uye Stub Management

Vias inodiwa pakubatanidza interlayer asi suma parasitic inductance iyo inogona kupenya EMI uye kukonzera masaini maratidziro pakakwirira. Isingashandiswe kuburikidza ne stubs inoita senge antennas, ichibatsira kuEMI uye kusvibisa kuita.

Mitigation: Nyorera kumashure-kuchera kubvisa zvisina kufanira kuburikidza ne stubs, kuderedza kuratidzwa uye kudzvanyirira EMI. Mune yakakwirira-frequency maseketi, mapofu uye akavigwa vias anopa zvirinani EMI kutonga. Kuburikidza nekusona pamwe neakakosha traces kunobatsirawo kuve nemagetsi emagetsi minda uye kunatsiridza kutendeseka kwechiratidzo.

Guard Traces uye Impedance Matching yeEMI Kudzvinyirira

Chengetedza nzira, kana zviteshi zvakadzika zvakaiswa pakati pezviratidziro zvekumhanya, ita sezvipingamupinyi kudzikisa crosstalk uye kuvharira EMI. Nekudaro, kuita zvisina kunaka kwenzira dzevarindi kunogona kugadzira impedance mismatches, zvichikonzera kurasikirwa kwekudzoka (S11) uye kuderedzwa kwechiratidzo.

Mitigation: Shandisa EM maturusi ekuongorora emunda kuti uongorore maitiro evachengeti uye uone kuti haavhiringidze kupindirana kwekuenzanisa. Kana akagadzirwa nemazvo, maronda ekurinda anosimudzira EMI kudzvanya pasina kukanganisa kuita kwemasaini ari pedyo akakwira-kumhanya.

Kugadzirisa matambudziko ekusimbisa masaini uye EMI kunoda ruzivo rwakadzama rwekugadzira PCB ine frequency yakakwira. Kunyangwe uri kusangana nematambudziko ekusawirirana kweimpedance, matambudziko ekubatanidza layer, crosstalk, kana EMI, tiripo kuti tikubatsire. Taura nesu nhasi kuti uwane mazano ehunyanzvi uye mhinduro dzekugadzirisa magadzirirwo ePCB yako kuti ishande zvakanaka.

mhedziso

High-frequency PCB yekutaurirana maseketi ndiwo musimboti wemazuva ano ekutaurirana matekinoroji. Kugadzira nekugadzira maseketi aya kunoda kutarisisa kusarudzwa kwezvinhu, kutendeseka kwechiratidzo, kutonga kweEMI, uye kutonga kwekupisa. Sezvikumbiro zvakaita se5G, mota dzinozvimiririra, uye IoT dzichiramba dzichikura, kudiwa kweakavimbika, epamusoro-inoshanda high-frequency PCBs inongowedzera. Nekukunda zvipingamupinyi zvine chekuita nemagadzirirwo aya, mainjiniya anogona kuve nechokwadi chakasimba, chinoshanda, uye chepamusoro-soro kutaurirana mumaindasitiri akasiyana.

Kuongorora uku kwehunyanzvi kunoratidza kukosha kwekugadzirwa kwakarurama uye zvinhu zvitsva mumaPCB ane frequency yakakwira , zvichibatsira kusangana nezvinodiwa zvakasimba zvehurongwa hwekutaurirana hwechizvarwa chinotevera. Sezvo indasitiri iri kufambira mberi, kufambira mberi kuri kuitwa mumatekinoroji ePCB kuchavhura mikana mitsva yekutaurirana kusina waya, zvichivimbisa ramangwana rakabatana.

Bata Isu kune Nyanzvi Yakakwira-Frequency PCB Solutions

Kutarisana nezvipingamupinyi zvine impedance yekufananidza, EMI kutonga, chiratidzo chekuvimbika, kana dhizaini stack-up dhizaini? Chikwata chedu chenyanzvi chakagadzirira kukubatsira neyakagadzirirwa yakakwira frequency PCB mhinduro. Bata isu nhasi kuti tibvunze nyanzvi uye rega tikubatsire iwe kukwidziridza magadzirirwo ako epamusoro pekuita uye kuvimbika mumasisitimu ako ekutaurirana.