Babban gudun PCB POFV shigar asarar gwajin enepig| Farashin YMSPCB
Menene PCB High Speed?
"High Speed" gabaɗaya ana fassara shi da ma'anar kewayawa inda tsayin siginar tasowa ko faɗuwar gefen ya fi kusan kashi ɗaya cikin shida na tsawon layin watsa fiye da tsayin layin watsawa, sannan tsayin layin watsa yana nuna halin ɗabi'ar layi.
A cikin babban gudun PCB , lokacin tashi yana da sauri isa cewa bandwidth don siginar dijital na iya ƙarawa zuwa manyan mitoci na MHz ko GHz. Lokacin da wannan ya faru, akwai wasu matsalolin sigina waɗanda za a lura da su idan ba a ƙirƙira allo ta amfani da ƙa'idodin ƙirar PCB masu sauri ba. Musamman, ana iya lura da:
1. Babban ringin wucewa mara izini. Wannan gabaɗaya yana faruwa ne lokacin da burbushi ba su da faɗi sosai, kodayake kuna buƙatar yin taka tsantsan lokacin da kuke ƙara faɗaɗa alamunku (duba sashe akan Contorl Impedance a cikin Tsarin PCB a ƙasa). Idan ringi na wucin gadi yana da girma sosai, za'a sami babban abin wuce gona da iri a cikin canjin siginar ku.
2.Karfafa magana. Yayin da saurin siginar ke ƙaruwa (watau, yayin da lokacin hawan ke raguwa), magana mai ƙarfi na iya zama babba kamar yadda abubuwan da suka jawo halin yanzu suna da ƙarfi.
3.Reflections kashe direba da mai karɓa abubuwan. Alamomin ku na iya yin nuni da wasu abubuwan da aka haɗa a duk lokacin da aka sami rashin daidaituwa. Ko rashin daidaituwar impedance ya zama mahimmanci yana buƙatar duba impedance na shigarwa, daɗaɗɗen kaya, da sifofin watsawa don haɗin haɗin gwiwa. Kuna iya karanta ƙarin game da wannan a cikin sashe na gaba.
4.Power mutunci matsalolin (mai wucewa PDN ripple, billa ƙasa, da dai sauransu). Wannan wani tsari ne na matsalolin da ba za a iya kaucewa ba a cikin kowane ƙira. Koyaya, PDN ripple na wucin gadi da duk wani sakamako na EMI ana iya ragewa sosai ta hanyar ƙira da ta dace da matakan yankewa. Kuna iya karanta ƙarin game da ƙirar PCB mai girma mai sauri daga baya a cikin wannan jagorar.
5.Karfin da aka gudanar kuma ya haskaka EMI. Nazarin magance matsalolin EMI yana da yawa, duka a matakin IC da babban matakin ƙirar PCB. EMI ainihin tsari ne na juzu'i; idan ka tsara allonka don samun ƙarfi mai ƙarfi na EMI, to zai fitar da ƙarancin EMI. Bugu da ƙari, yawancin wannan yana tafasa ƙasa don ƙira madaidaicin tarin PCB.
PCBs masu ƙarfi yawanci suna ba da kewayon mitar daga 500MHz zuwa 2 GHz, wanda zai iya biyan buƙatun ƙirar PCB masu sauri, microwave, mitar rediyo, da aikace-aikacen hannu. Lokacin da mitar ta kasance sama da 1 GHz, zamu iya ayyana shi azaman mitar mai girma.
Matsalolin kayan lantarki da masu sauyawa na ci gaba da karuwa a yau kuma suna buƙatar ƙimar sigina cikin sauri. Don haka, ana buƙatar mafi girman mitocin watsawa. PCBs masu ƙarfi suna taimakawa da yawa lokacin haɗa buƙatun sigina na musamman a cikin kayan aikin lantarki da samfuran tare da fa'idodi kamar inganci mai ƙarfi, da saurin sauri, ƙarancin ƙarancin ƙarfi, da kaddarorin dielectric akai-akai.Wasu la'akari da ƙirar PCBs masu tsayi.
Ana amfani da PCB masu girma da yawa a cikin rediyo da aikace-aikacen dijital masu sauri, kamar 5G sadarwar mara waya, na'urorin radar mota, sararin samaniya, tauraron dan adam, da dai sauransu. Amma akwai abubuwa da yawa masu mahimmanci da za a yi la'akari da su yayin kera PCBs masu saurin mita.
· Zane mai launi da yawa
Mu yawanci muna amfani da PCB masu nau'i-nau'i a cikin ƙirar PCB masu girma. PCBs masu nau'i-nau'i da yawa suna da yawan taro da ƙananan ƙara, yana sa su dace da fakitin tasiri. Kuma allunan nau'i-nau'i masu yawa sun dace don rage haɗin kai tsakanin kayan lantarki da inganta saurin watsa sigina.
Ƙirƙirar jirgin ƙasa muhimmin ɓangare ne na aikace-aikacen mita mai girma saboda ba wai kawai yana kula da ingancin sigina ba amma yana taimakawa wajen rage raƙuman EMI.Maɗaukakin mita don aikace-aikacen mara waya da ƙimar bayanai a cikin kewayon GHz na sama suna da buƙatu na musamman akan kayan da aka yi amfani da su:
1. Daidaitaccen izini.
2.Low attenuation don ingantaccen watsa siginar.
3.Homogeneous yi tare da low tolerances a rufi kauri da dielectric akai. Bukatar samfuran PCB masu girma da sauri suna tashi cikin sauri a zamanin yau. A matsayin gogaggen PCB manufacturer , YMS yana mayar da hankali ga samar da abokan ciniki tare da abin dogara high-mita PCB prototyping tare da high quality. Idan kuna da wata matsala tare da ƙirar PCB ko masana'anta PCB, da fatan za a iya tuntuɓar mu.
YMS High Speed PCB bayyani iyawar masana'anta | ||
Fasali | damar | |
Countididdigar Layer | 2-30L | |
Samuwa high SpeedPCB Technology | Ta hanyar rami tare da Tsarin 16: 1 | |
binne shi da makafi via | ||
Mixed Dielectric Boards ( High Speed Kayan aiki + FR-4 da haduwa) | ||
Dace da high SpeedMaterials samuwa: M4, M6 jerin, N4000-13 jerin, FR408HR, TU862HF TU872SLKSP, EM828, da dai sauransu | ||
Haƙuri Haƙuri akan Mahimman Abubuwan Hulɗa na RF:+/- .0005 ″ daidaitaccen haƙuri don jan ƙarfe 0.5oz mara nauyi | ||
Multilevel rami gine, Copper tsabar kudi da slugs, Metal Core & Metal Back, Thermally conductive laminates, Edge Plating, da dai sauransu. | ||
Kauri | 0.3mm-8mm | |
Ananan Layin Faɗi da Sarari | 0.075mm/0.075mm(3mil/3mil) | |
FITAR BGA | 0.35mm | |
Min Laser Harshen Girman | 0.075mm (3nil) | |
Min Girman Hannun injina | 0.15mm (6mil) | |
Ra'ayin ƙasa don ramin laser | 0.9: 1 | |
Ra'ayin ƙasa don rami | 16: 1 | |
Gama Gama | Dace da high SpeedPCB urface yana gamawa: Nickel mara ƙarfi, Zinare na Zinare, ENEPIG, HASL kyauta na jagora, Azurfa Immersion | |
Ta Hanyar Cika zaɓi | An saka abin da ke ciki kuma an cika shi da mai sarrafawa ko wanda ba shi da wata ma'amala sannan a rufe shi kuma ya rufe (VIPPO) | |
An cika tagulla, an cika azurfa | ||
Laser ta hanyar rufe farin ƙarfe | ||
Rijista | ± 4mil | |
Masassarar Solder | Kore, Ja, Rawaya, Shuɗi, Fari, Baƙi, Mai Tsara, Matta Baki, Matte kore. Da dai sauransu. |