I-RO4003C vs i-RO4350B Datasheet kanye ne-Stackup

Uma ibhodi liphethe i-RF, i-microwave, noma izimpawu zedijithali ezisheshayo, onjiniyela bavame ukunciphisa ukukhetha kwezinto zibe yi-RO4003C vs i-RO4350B bese beqhathanisa imininingwane yedatha ye-Rogers ethinta i-impedance, ukulahleka, kanye nokukhiqizwa. Lo mhlahlandlela uchaza amanani e-Dk kanye ne-Df abalulekile, ukuthi i-RO4000 LoPro foil iyashintsha, nokuthi i-Highleap Electronics yakha kanjani la ma-laminate anemvamisa ephezulu ukuze icaciswe.

1. Kungani kufanele usebenzise iRogers RO4000 esikhundleni se-FR-4?

Sebenzisa i-Rogers RO4000 esikhundleni se-FR-4 uma udinga i-dielectric constant ezinzile, elawulwa kahle kanye nokulahleka kwesignali okuphansi ngemvamisa ephezulu. I-FR-4 inobuthakathaka obubili obubalulekile kwi-RF: i-dielectric constant yayo ilawulwa kalula futhi ishintsha ngemvamisa, futhi ukulahleka kwayo kunyuka ngokushesha njengoba imvamisa ikhuphuka - ndawonye kukhiqiza i-impedance engalindelekile kanye nezimpawu ezifika zibuthakathaka futhi ziphambukile.

I-RO4000 yenzelwe ukulungisa lokho kanye, inikeza ukuqina okuqinile, okucacisiwe kwe-dielectric kanye nokulahlekelwa okuphansi ngenkathi ihlala ingacutshungulwa ngokwenziwa okujwayelekile kwesitayela se-FR-4 kunezinto ze-PTFE ezinzima kakhulu. Leyo nhlanganisela yingakho i-RO4000 isetshenziswa kabanzi kuma-antenna, iziphetho zangaphambili ze-RF, i-radar yezimoto, kanye nezixhumanisi zedijithali ezisheshayo. Ukushintshana okubanzi kukulesi siqondisi sezinto ze-Rogers PCB , futhi ukuqhathanisa okuqondile kwe -FR-4 ne-Rogers kusiza ukunquma ukuthi ukuthuthukiswa kufaneleke nini.

2. I-RO4003C Dr, i-Df kanye nemininingwane yeshidi ledatha enquma umklamo wakho

Izinombolo ezimbili zedatha ze-RO4000 ezinquma umklamo wakho yi-dielectric constant (Dk), ebeka i-trace impedance kanye nobude bogesi, kanye ne-dissipation factor (Df, noma i-loss tangent), ebeka ukulahleka kwesignali. I-RO4003C iyigugu ngenxa yomklamo we-Dk ophansi, obambeke ngokuqinile, ozinzile ngemvamisa - ngenani eliqondile kanye nokubekezelelana kudatha yamanje ku-frequency yakho yokusebenza. Nazi izici zedatha ze-RO4000 okufanele uzifunde ngaphambi kokuthi wenze i-stackup:

I-Dk ephansi ekhukhulekayo imbi kakhulu kune-Dk ephakeme kancane ehlala iqinile, ngakho-ke imigqa yokubekezelelana nokuzinza ihlukanisa into ye-RF esebenzisekayo kwekhungathekisayo. Uma la magama emisha, qala ngale primer ku- dielectric constant kanye ne-loss tangent.

3. I-RO4350B vs RO4003C: umehluko uyini?

I-RO4350B kanye ne-RO4003C zinikeza ukusebenza okufanayo kwe-RF nge-Dk ezinzile kanye nokulahlekelwa okuphansi; umehluko oyinhloko ukuthi i-RO4350B isebenzisa ifomula evimbela ilangabi, okwenza kube ukukhetha lapho kudingeka khona izinto ezibonakalayo ze-UL, ezingashisi kakhulu. Zombili ziyizinto ezisebenza kahle zomndeni we-RO4000, futhi imiklamo eminingi ingasebenza noma ngabe ngesisekelo sikagesi kuphela.

I-RO4003C iyi-RF laminate esetshenziswa kabanzi lapho ukusebenza okuhle kanye nokucutshungulwa kubalulekile khona, kuyilapho i-RO4350B ingeza isici esivimbela ilangabi kwizicelo ezinezidingo zokuphepha eziqinile. Lokhu kuhambisana kwe-RO4350B ne-RO4003C kuveza umehluko ngokuningiliziwe ukuze ukwazi ukufanisa i-laminate nezidingo zakho zokuthobela imithetho.

4. Iyini i-RO4000 LoPro foil futhi kungani yehlisa ukulahleka?

I-RO4000 LoPro isebenzisa i-foil yethusi ehlungiwe emuva, ephansi ene-copper-dielectric surface ebushelelezi, ehlisa ukulahlekelwa umqhubi nge-frequency ephezulu. Nge-frequency ephezulu, ugesi uhlangana uye endaweni yomqhubi (umphumela wesikhumba) bese ugeleza nge-interface ye-copper-dielectric eqinile; indawo eqinile iphoqa ugesi ngendlela ende, egobile futhi ikhuphule ukulahlekelwa.

Iphrofayili ebushelelezi ye-LoPro foil inciphisa lokho kulukhuni kobuso, yehlisa ukulahlekelwa kokufakwa - yingakho i-RO4000 LoPro ikhona ngemiklamo enzima nezwela ukulahlekelwa. Ukushintshana ukuthi i-foil ebushelelezi ingadinga ukunakwa ekunamatheleni nasekucutshungulweni, okuyingxoxo yokwenziwa nanoma ubani owakha ibhodi.

5. Indlela yokuklama i-impedance kanye ne-stackup nge-RO4000

Ukuze uklame impedance elawulwayo nge-RO4000, sebenzisa ishidi ledatha i-Dk ngesikhathi sakho sokusebenza bese ulungisa i-stackup ngaphambi kokuqedela i-trace geometry, ngoba ububanzi, ukujiya kwe-dielectric, kanye nesisindo sethusi ndawonye kusetha i-impedance. Shintsha eyodwa kanye nezinye kumele zishintshe, ngakho-ke i-stackup yisinqumo esiza kuqala:

• Sebenzisa i-Dk yangempela ukuze uthole imvamisa. Izibalo ze-impedance eziyisisekelo enanini ledatha, hhayi ukucabanga kwe-FR-4 okujwayelekile.
• Lungisa i-stackup kusenesikhathi. Nquma ubukhulu be-dielectric kanye nesisindo sethusi ngaphambi kokulandela i-geometry.
• Cabanga ngobunzima bethusi kwisabelomali sokulahlekelwa. Uma ukulahlekelwa kubalulekile, ukukhetha i-foil ejwayelekile ngokumelene ne-LoPro kuyingxenye yomklamo.
• Hlanganisa ukwakhiwa nomenzi wezinto, ukusebenzisa ngendlela efanele ukulawulwa kwe-impedance ukucubungula, ngoba imiphumela incike ekutheni i-fab ishaya i-geometry ecacisiwe.

6. Ukwenziwa kwe-RO4000: ukulawulwa kwe-impedance kanye ne-hybrid stackups

I-RO4000 ilula kakhulu ukusebenzisa i-FR-4 kunezinto ze-PTFE, kodwa isadinga ukucutshungulwa kwe-impedance okulawulwayo, ukubhoboza kanye ne-plating efanele i-RF, futhi ivame ukuhlanganiswa ne-FR-4 ku-hybrid stackup ukuze ilinganisele izindleko kanye nokusebenza. Ukubamba ububanzi bomugqa obucacisiwe kanye nobukhulu be-dielectric yikho okuletha i-impedance eqondiwe, edinga ukusethwa okuhle kokulawula i-impedance kanye nokuhlolwa.

Ukwakheka kwezinto kuthinta ukubhoboza kanye nokufakwa kwemigodi edlulayo, futhi imigodi ethembekile edlulayo ibalulekile ezindaweni ze-RF kanye nama-via. Ukuphela kobuso obufanele bamabhodi anemvamisa ephezulu kuvikela ukusebenza kwe-RF kanye nokushintshwa, ikakhulukazi ngama-foil aphansi. Ngenxa yokuthi ukusebenza okuningi kwe-RF kokugcina kusethwa ngesikhathi sokwenziwa, ukukhetha umenzi wezinto ezisetshenziswa yiRogers kubaluleke njengokukhetha i-laminate - yingakho ukwenziwa kwe-PCB okunemvamisa ephezulu kukhona njengekhono elihlukile.

7. Ukwakha amabhodi e-RO4000 ahlangabezana nezidingo ezithile

I-Highleap yakha umndeni we-Rogers RO4000 ngokusebenzisa ukukhiqizwa kwe-Rogers PCB ngokucubungula okulawulwayo kwe-impedance, ama-stackups e-hybrid RO4000/FR-4 lapho izindleko nokusebenza kudinga ukulinganisela, kanye nokubhoboza okufanele, ukubopha, kanye nokuphathwa kokuphela kwendawo yezinto ze-RF. Kumadizayini azwela ukulahlekelwa, ukukhetha i-foil ejwayelekile ngokumelene ne-LoPro kanye ne-stackup kungaqinisekiswa ngaphambili ukuze ibhodi elakhiwe lifane nomklamo osekelwe kudatha. Izinketho zethusi ne-stackup ze-LoPro kufanele zibuyekezwe ndawonye ngoba ukulahlekelwa komqhubi kanye ne-geometry ye-dielectric kuxhunywe kumugqa wokudlulisa oqediwe. I-Highleap isebenzisa i-stackup ekhishwe kanye nokudweba esikhundleni semodeli yezinto ezijwayelekile, futhi ukuqinisekiswa kokugcina kwe-impedance kusekelwe kuphaneli eqediwe kanye nendlela yokuhlola evunyelwene ngayo. Amanani empahla yezinto ezibonakalayo aqondile kufanele ahlolwe ngokumelene nemibhalo yamanje yomhlinzeki webanga elicacisiwe kanye nokwakhiwa.

Ukubuyekezwa kokwenziwa kwangaphambi kokukhiqiza kuhlola ukuthi i-stackup yakho, ubukhulu be-dielectric, ububanzi bomugqa, kanye nomklamo we-via kuyakhiwa futhi kuyahambisana nezinhloso zakho ze-impedance - indawo lapho amabhodi amaningi e-RF ephumelela khona noma athuthukisa izinkinga. Uma ucela ikhotheshini, chaza i-laminate eqondile (RO4003C noma RO4350B), i-foil ejwayelekile noma ye-LoPro, imvamisa yokusebenza kwakho, i-target impedance yakho, kanye ne-stackup. Uma lelo banga likhethiwe, ukwakhiwa kwebhodi le-RO4003C ngemuva kokukhethwa kwezinto kuxhuma isinqumo seshidi ledatha ne-stackup ekhishwe kanye nomdwebo wokukhiqiza.

Thola isilinganiso se-RF PCB

8. Imibuzo Evame Ukubuzwa Nge-Rogers RO4000

Iyini i-dielectric constant yeRogers RO4003C?

I-RO4003C ine-dielectric constant ephansi, ecaciswe kahle, futhi eqinile nemvamisa. Dala njalo inani eliqondile kanye nokubekezelelana kudathashethi yamanje ku-frequency yakho yokusebenza, ngoba lokho kuzinza kuyisizathu sokuyikhetha.

Uyini umehluko phakathi kwe-RO4003C ne-RO4350B?

Zombili zinikeza ukusebenza okufanayo kwe-RF nge-Dk ezinzile kanye nokulahlekelwa okuphansi. I-RO4350B isebenzisa indlela yokwakheka evimbela ilangabi, okwenza kube ukukhetha okuvamile lapho kudingeka khona into eyaziwa nge-UL, engashisi kakhulu.

Isho ukuthini i-LoPro ku-RO4000 LoPro?

I-LoPro ibhekisela ku-foil yethusi ephansi, ephathwe ngokubuyela emuva enendawo ebushelelezi ye-copper-dielectric, enciphisa ukulahlekelwa umqhubi ngenxa yomphumela wesikhumba ngesivinini esiphezulu.

Ingabe i-RO4000 ingacutshungulwa njenge-FR-4?

I-RO4000 isebenziseka kalula yi-FR-4 kune-PTFE laminates futhi ivame ukuhlanganiswa ne-FR-4 kuma-hybrid stackups, kodwa isadinga ukucutshungulwa okulawulwayo kwe-impedance kanye nomenzi onolwazi ngezinto zikaRogers.

Ingabe i-Highleap iyawakha amabhodi e-Rogers RO4000 RF?

Yebo. I-Highleap isekela umndeni we-RO4000 ngokucubungula okulawulwayo kwe-impedance, ama-stackup e-hybrid RO4000/FR-4, ukuqedwa okufanele i-RF, kanye nokubuyekezwa kokukhiqiza ukuqinisekisa ukuthi i-stackup ihlangabezana nezinhloso zakho ze-impedance. Nge-RFQ, thola ibanga eliqondile lezinto ezibonakalayo, ukwakhiwa kwe-core noma i-bondply, isisindo sethusi, i-dielectric target eqediwe kanye nokubekezelelana kwe-impedance. Uma umklamo ulingiswe ngesethi yedatha yomhlinzeki ethile, faka leyo referensi ukuze i-stackup yokukhiqiza ikwazi ukuhlanganiswa ngaphambi kokusebenzisa amathuluzi.