Umklamo Nokukhiqiza Ibhokisi Le-Cable TV PCB

I-PCB yebhokisi le-cable TV yakhiwe ngokuhambisana nokwamukelwa kwekhebula ledijithali, enokufakwa kwe-RF, i-tuner kanye ne-demodulation chain exhunywe ekucutshungulweni kwedijithali kanye nezixhumi ezibhekene nomsebenzisi. Kuye ngenethiwekhi yomkhiqizo kanye nekhebula, ibhodi lingase lihlanganise nemisebenzi yokufinyelela enemibandela, i-HDMI, i-USB, i-Ethernet, isitoreji kanye nekhono lokubuyekeza isofthiwe. I-Highleap Electronics ikhiqiza uhlangothi lwe-PCB kanye ne-PCBA lwale miklamo echazwe ngamakhasimende ngaphandle kokucabanga ukuthi wonke umamukeli wekhebula usebenzisa ukwakheka okufanayo okujwayelekile noma kwesevisi.

Ukukhiqiza i-Cable TV Box PCB yamaphrojekthi e-OEM kanye ne-ODM

Okokufaka ikhebula, i-tuner kanye ne-demodulator kubalulekile ebhodini. I-DVB-C kanye ne-DVB-C2 ziyizindinganiso zekhebula zedijithali, kuyilapho ukuthunyelwa kwangempela komqhubi kanye nokusetshenziswa komkhiqizo kungahluka. I-DVB-C2 ichazwa ngokusakazwa kwethelevishini yedijithali ngamanethiwekhi ekhebula le-HFC kanye nokufakwa okuhlobene. Iphakheji yokukhiqiza kufanele iveze indinganiso yangempela kanye nokucushwa kwe-tuner/demodulator okudingekayo ngomkhiqizo.

Bheka izinto ze-DVB ze- DVB-C2 lapho iphrojekthi isebenzisa lelo zinga.

Amabhokisi e-Cable, i-Satellite, i-Terrestrial kanye ne-Android TV awakwazi ukushintshaniswa

Imikhiqizo yonke ingase ibe ne-HDMI kanye neprosesa, kodwa ihadiwe yayo yokwamukela ihlukile. Ibhokisi lekhebula liqala ngokufakwa kwekhebula le-RF kanye nochungechunge lokususwa kwekhebula; isamukeli sesathelayithi sisebenzisa indawo yesathelayithi/i-LNB; isamukeli sesathelayithi sisebenzisa ukufakwa kwe-antenna kanye nezinga lesathelayithi; ibhokisi le-Android TV liyipulatifomu ejwayelekile ye-smart-TV ehlanganisiwe futhi alinikezi ukwamukelwa kokusakaza ngokwemvelo.

I-Cable RF Front End, Tuner kanye ne-Demodulation Architecture

Isixhumi sokufaka se-RF, i-tuner kanye nesivikelo esiseduze kwakha ingxenye ebucayi yebhodi. Ukukhiqiza kufanele kulondoloze umzila ohlosiwe kanye nokubekwa kwengxenye. Isixhumi se-coaxial siphinde sibhekane nomthwalo womshini ngesikhathi sokufakwa kwekhebula, ngakho-ke i-solder kanye nokusekelwa komshini kudinga ukuhlolwa okufanele ukwakheka kwesixhumi.

I-Highleap isekela ukukhiqizwa kwe-RF PCB kanye nokuvikela i-RF lapho lezi zilawuli ziyingxenye yomklamo wekhasimende.

I-Tuner, i-Demodulator kanye nokucutshungulwa kwezokuthutha

Ngemva kwe-RF front end, umamukeli uthola ukusakaza kwedijithali futhi ibhodi lingacubungula, liguqule futhi liqondise leyo datha ku-HDMI noma kwezinye izinto eziphumayo. I-decoder yangempela kanye nokwakheka kwesevisi kuncike kumkhiqizo. Kungcono ukuthi isihloko sokukhiqiza sichaze indlela yesignali kuleli zinga kunokucabanga ukuthi i-chipset noma i-codec ethile yebhokisi ngalinye lekhebula.

• Okokufaka ikhebulaIsixhumi se-RF kanye nobuqotho be-front-end.
• I-TunerUkukhethwa kwesiteshi kanye nokuguqulwa kwe-RF-to-baseband okuchazwe umklamo.
• I-DemodulatorUkutholwa kwedatha yedijithali edluliselwe kusetshenziswa indinganiso yekhebula ecacisiwe.
• Iprosesa yedijithaliUkuphathwa kwezokuthutha, ukuqopha, isikhombimsebenzisi somsebenzisi kanye nemisebenzi yesevisi njengoba kudingeka.
• OkukhiphayoI-HDMI, i-AV, i-USB noma ezinye izixhumi ezifakiwe kumkhiqizo.
• Inethiwekhi/isevisiIzici zenethiwekhi ze-Ethernet noma ezinye kuphela uma ingxenye ye-SKU ekhishwe.

I-DVB-C kanye ne-DVB-C2 Kufanele Ziphathwe Njengezinto Ezifakiwe Zokuklama

I-DVB-C2 iyisistimu yokudlulisa ikhebula ledijithali yesizukulwane sesibili yamanethiwekhi ekhebula kanye nokufakwa okuhlobene. Ibhokisi le-TV yekhebula lingasebenzisa i-DVB-C, i-DVB-C2 noma olunye uhlaka lwekhebula kuye ngenethiwekhi eqondiwe. Ngakho-ke ikhasi lomkhiqizo kufanele ligweme ukusikisela ukuthi ibhokisi ngalinye lekhebula lisebenzisa i-tuner efanayo, ukuphathwa kwe-modulation noma i-chipset ye-demodulator.

Imininingwane ye-DVB-C2 ichaza uhlelo lokudlulisa ngenkathi ishiya izinketho zokusebenzisa ohlangothini lomamukeli zivulekile. Empeleni, umenzi we-PCB udinga ukucushwa kwe-tuner/demodulator yangempela yekhasimende kanye nendawo yokuhlola kunokuba kube yisitatimende esijwayelekile mayelana ne-TV yekhebula.

Ukuhlolwa Kokufaka Ikhebula Kufanele Kuphindeke

Umthombo we-RF kufanele uchazwe emyalezweni wokuhlola. Ijeneretha yesiginali, i-simulator yenethiwekhi yekhebula evunyiwe noma umthombo wokubhekisela unganikeza ukuphindaphindeka; inethiwekhi ebukhoma engalawulwa ingase ingabi njalo. Ukuhlolwa kokukhiqiza kufanele kuqophe ukuthi ibhodi lithole isiteshi/isevisi ehlosiwe nokuthi ngabe umphumela ulungile yini.

Ukufinyelela Okunemibandela, I-Firmware kanye Nokucushwa Okuqondile Komqhubi

Ezinye izindawo zesevisi yekhebula zisebenzisa ubuchwepheshe bokufinyelela okunemibandela, kodwa akuwona wonke amabhokisi ekhebula asebenzisa indlela efanayo noma isikhombikubona esibonakalayo. I-PCB ingase iqukathe idivayisi yokuphepha, isikhombikubona sekhadi noma ibhulokhi yokucubungula evikelekile kuye ngomqhubi nomkhiqizo. Ngakho-ke, ukuhlolwa kokukhiqiza okulungile kuwukugunyazwa noma ukuhlolwa kwesikhombikubona okucacisiwe kwekhasimende, hhayi isitatimende esijwayelekile sokuthi wonke amabhokisi ekhebula aqukethe imojuli ethile yokuphepha.

Ukubuyekezwa kwe-Firmware kanye ne-Hardware kumele kuhlale kuxhunyiwe

Amabhokisi ekhebula avame ukuba nezinguqulo zehadiwe nesofthiwe ezishintshashintshayo ndawonye. Inketho entsha ye-tuner noma inkumbulo ingadinga izinguquko ze-firmware ezifanayo. Ngakho-ke amarekhodi okukhiqiza kufanele akhombe ukubuyekezwa kwe-PCB, ukubuyekezwa kwe-BOM, isithombe esihleliwe kanye nokubuyekezwa kokuhlolwa ndawonye.

Izinhlobo Zomqhubi Zidinga I-Matrix Yehadiwe Elawulwayo

I-PCB evamile yebhokisi lekhebula ingasekela opharetha noma izimakethe ezahlukene ngesofthiwe, ukucushwa kokufinyelela okunemibandela, izinketho ze-tuner noma izingxenye ezigcwele. I-matrix yokukhiqiza ingenza lowo mehluko ube sobala futhi ivimbele ifektri ekwakheni ukucushwa okuhlanganisiwe okungakaze kuqinisekiswe.

Izidingo Zomqhubi Wekhebula Zingashintsha Ukugeleza Kokuhlolwa Kwe-PCBA

Isamukeli sekhebula esenzelwe indawo ethile yomqhubi singadinga isithombe sesofthiwe esihlukile, ukugeleza kokugunyazwa noma ukucushwa kwesifunda kusuka kwelinye ikhasimende elisebenzisa ihadiwe efanayo. Lokho kungafani kufanele kuthathwe ekukhishweni komkhiqizo kunokuba kufakwe olwazini lomqhubi olungakahleleki. I-test fixture ingakhetha ukulandelana okulungile ngokusekelwe ku-SKU yokukhiqiza.

I-HDMI, i-USB, i-Ethernet kanye ne-Cable Box PCBA Assembly

Izixhumi zangaphandle zakha izidingo zikagesi nezemishini. I-HDMI ne-USB zidinga umzila ofanele wesivinini esiphezulu kanye nokubekwa kwesixhumi; i-Ethernet idinga ilungiselelo le-PHY elivunyiwe kanye ne-magnetics lapho kufakwa khona ukufinyelela kwenethiwekhi. Izixhumi ze-USB nazo zithola amandla okufaka aphindaphindayo, ngakho-ke i-solder kanye ne-anchoring kufanele kuhlolwe.

I-Highleap inezinsiza zokuxhumana , i-USB hub PCB kanye nokuhlanganiswa kwe-PCB uma le misebenzi iyingxenye yomklamo wamakhasimende.

Ukuhlolwa Kokuhlanganiswa Kwamabhodi Okwamukela Ikhebula

Ama-PCB ebhokisi lekhebula angahlanganisa izingxenye ze-RF, amaprosesa e-fine-pitch, imemori, izixhumi kanye namaphakheji e-BGA. I-AOI ingamboza amalunga amaningi e-SMT kuyilapho i-X-ray ingacatshangelwa amalunga e-solder afihliwe. Ukugoqa izixhumi ze-RF kufanele kuhlolwe ngokubonakalayo nangomshini ngoba ukufakwa kwekhebula ngezikhathi ezithile kungavela njengenkinga ye-tuner.

Ukuhlanganiswa Kokugcina Kungashintsha Ukucindezeleka Kwesixhumi

Amabhokisi ekhebula avame ukubeka izixhumi ze-RF, i-HDMI, i-USB kanye namandla nxazonke komngcele wendawo ebiyelwe. Uma izintambo sezinamathiselwe, ukulayishwa kwebhodi elithambile kanye nesixhumi kungahluka ekusethweni kwebhentshi. Ngakho-ke ukuhlolwa kwesihloko sokuqala kufanele kufake phakathi isikhombimsebenzisi sokugcina lapho amandla ekhebula angathinta khona ukuhlanganiswa.

Ukuhlolwa Kokusebenza Kwebhokisi Le-Cable TV kanye Nokuxilongwa Kokwehluleka

Ithuluzi eliwusizo liqala ngesimo sokuhlolwa se-RF esichaziwe futhi liqhubeke ngokutholwa kwesiteshi kanye nemiphumela ebhekene nomsebenzisi. Umthombo wokuhlola oqondile, imvamisa/isiteshi, isimo sokukhiya esilindelekile kanye nokuqukethwe kokukhipha kufanele kunikezwe ngumnikazi womkhiqizo.

1. Iba namandla: qinisekisa ukuqalisa kanye nokuziphatha kwamanje ngaphansi kwesimo esivunyelwe.
2. I-Firmware: qinisekisa ukubuyekezwa kwesofthiwe okulindelekile kanye nokucushwa kwehadiwe.
3. Umthombo we-RF: xhuma umthombo wokuhlola ikhebula ovunyiwe.
4. Ukutholwa: qinisekisa ukuziphatha kwe-tuner kanye ne-demodulator.
5. okukhipha: qinisekisa i-HDMI/AV noma okunye okukhiphayo okudingekayo.
6. Ukulawula komsebenzisi: sebenzisa imisebenzi ye-remote/front-panel efakiwe ku-SKU.
7. Imisebenzi yesevisi: qinisekisa i-Ethernet, i-USB, isitoreji noma izibuyekezo kuphela uma kucacisiwe.
8. Ukulawula ukufinyelela: sebenzisa isivivinyo sokufinyelela okunemibandela noma sokuphepha esivunyiwe yikhasimende uma kusebenza.

I-Highleap ingaqalisa ukuhlolwa okusebenzayo futhi ihlanganise izinto ezihlinzekwa ngamakhasimende lapho kufanele khona.

Izigaba Zokwehluleka Kwebhokisi Lekhebula Elivamile

Irekhodi lokukhiqiza eliwusizo lingahlukanisa ukwehluleka ngesigaba sangaphambili, ukucubungula, ukukhipha, ukulawula noma sokulungiselela. Lokhu kusiza ubunjiniyela ukuhlonza ukuthi isenzo sokulungisa singesokuhlanganiswa kwe-PCB, ukutholakala kwezingxenye, i-firmware noma ukuhlanganiswa kwesistimu.

• Ukwehluleka kwe-front-end: Isixhumi se-RF, i-tuner, i-demodulator noma indlela yamandla/yokulawula ehlobene nayo.
• Ukwehluleka kokucubungula kwedijithali: iprosesa, imemori, isitoreji noma i-firmware.
• Ukwehluleka kokukhipha: Isixhumi se-HDMI/AV, umzila, ukucushwa kwesofthiwe noma isikhombikubona sokubonisa.
• Ukwehluleka kokulawula: Isamukeli se-IR, izinkinobho noma isixhumi sephaneli engaphambili.
• Ukwehluleka kokunikezwa: i-firmware engalungile, ukucushwa noma ukusethwa kokuphepha okuqondene nomqhubi.

Ukwehluleka kwe-RF kanye ne-Digital Kufanele Kuhlonzwe Ngokwahlukana

Ibhokisi lekhebula alikwazi ukukhombisa isithombe ngoba ingxenye engaphambili ye-RF ayizange ithole isignali, ngoba i-decoder yehlulekile, ngoba i-firmware ayilungile, noma ngoba ukuphuma kwe-HDMI kunephutha. Ukuhlolwa okuhleliwe kuvimbela wonke la maphutha ukuthi abikwe njengenkinga efanayo futhi kusiza ifektri ukuthi ibone ukuthi isenzo sokulungisa singesokuhlanganisa, ukuthola izingxenye, i-firmware noma ukuhlanganiswa kwesistimu.

Amabhodi Okwamukela Ikhebula Ahlobene Nokuthola Imithombo Yesifunda

Ibhokisi le-TV yekhebula lingase lizungezwe yi-tuner module, ingxenye ye-RF front-end, i-condition-access interface, i-multimedia decoder, isitoreji, i-network interface kanye ne-power circuitry. Kweminye imiklamo le misebenzi ihlanganiswa ibe yi-mainboard eyodwa; kweminye ihlukaniswe ngamamojula noma amabhodi.

Amagama ahlobene nomkhiqizo afaka phakathi i-PCB yokwamukela ikhebula, ibhodi yokwamukela i-DVB-C, i-PCB yokwamukela i-QAM, ibhodi elikhulu lebhokisi lekhebula, ibhodi le-RF tuner kanye nebhodi lokuxhumana elinokufinyelela okunemibandela. Lokhu kuyasiza ekuchazeni izidingo zehadiwe eziseduze, kodwa akufanele ziphathwe njengemikhiqizo engashintshaniswayo.

I-Highleap Electronics ikhiqiza futhi ihlanganise i-PCB/PCBA ekhishwe amakhasimende. Ayisebenzisi isevisi yethelevishini yekhebula futhi ayithengisi ibhokisi lekhebula eliqediwe njengophawu lomthengi.

Ukuthola Ihadiwe Yekhebula Lesifunda Ku-TV Yekhebula

Ihadiwe yethelevishini yekhebula incike kakhulu emakethe ngoba opharetha, izakhiwo zenethiwekhi kanye namalungiselelo okufinyelela okunemibandela ayahlukahluka. I-OEM yase-US noma yaseCanada kufanele ihlonze uhlelo lwekhebula oluqondiwe kanye nokwakheka kwe-tuner/demodulator okuvunyiwe. Amaqembu aseYurophu eJalimane, eFrance, e-Italy nase-UK angasebenzisa ukucushwa okuhlukile komqhubi noma kwesevisi. Ngakho-ke lesi sifunda singesemininingwane yomkhiqizo lapho sishintsha izinto ze-elekthronikhi, hhayi njengebhulokhi lamagama edolobha engeziwe ukuze kubonakale usesho.

Amagama awusizo aseduze afaka phakathi umenzi we-PCB webhokisi lekhebula elibekwe phezulu , i-DVB-C PCB assembly , ibhodi le-QAM tuner , ibhodi elikhulu lokwamukela ikhebula kanye ne -RF set-top box PCBA . La magama asekela ngokwemvelo okuqukethwe okugxile ekuthengweni lapho kuxoxwa ngesekethe ehambisanayo.

Amafayela Okukhiqiza e-PCB, Ububanzi Bokwakhiwa Kwebhokisi kanye Nokulawulwa Kokukhiqiza

Iphakheji yokukhiqiza eqinile ifaka idatha ye-Gerber noma ye-ODB++, umdwebo wokwenziwa, amanothi e-stackup noma e-impedance lapho kudingeka khona, i-BOM, ukukhetha nokubeka, umdwebo wokuhlanganiswa, izidingo zezingxenye ze-RF, i-firmware, imininingwane yokuxhuma kanye nemiyalelo yokuhlola. Uma ibhokisi lekhebula linama-opharetha ahlukene noma ama-SKU esifunda, nikeza i-matrix ehlukile ekhomba umehluko wehadiwe nesofthiwe.

Lapho Kudingeka Ububanzi Bokwakha Ibhokisi

Uma i-Highleap icelwa ukuthi ihlanganise i-PCB kuphela, ububanzi bokukhiqiza buphela ku-PCBA. Uma iphrojekthi idinga futhi ukuhlanganiswa kwe-enclosure, izintambo, izibonisi, izinkinobho, ukuvikela noma omunye umsebenzi womkhiqizo oqediwe, leyo misebenzi kufanele icaciswe ngokwehlukile. I-Highleap inikeza ukuhlanganiswa kwebhokisi le-turnkey kumaphrojekthi adlula i-PCB.

I-Cable Receiver Ephindaphindwayo Idinga Okokufaka Okulawulwayo Nokuhlolwa

Umgomo wokukhiqiza uwukuhambisana: i-RF front end efanele, ihadiwe yokucubungula yedijithali evunyiwe, ukucushwa kwesofthiwe efanele kanye nokuhlolwa okusebenzayo okuhambisana nendawo yesevisi yamakhasimende. I-Highleap Electronics ingasekela ukwenziwa, ukuhlanganiswa kanye nokuhlolwa kwe-PCB ngenkathi ishiya izinqumo ezijwayelekile zokusakaza kanye neziqondene nomqhubi ngaphansi kwencazelo yomkhiqizo ekhishwe yikhasimende.