Dhizaini uye Kugadzira PCB yeCable TV Box

PCB yeTV yetambo yakagadzirwa nedhijitari, ine RF input, tuner uye demodulation chain yakabatana ne digital processing uye user-faces. Zvichienderana ne product uye cable network, bhodhi rinogonawo kusanganisira conditional-access functions, HDMI, USB, Ethernet, storage uye software-update. Highleap Electronics inogadzira PCB nePCBA divi remagadzirirwo aya anotsamira vatengi pasina kufunga kuti cable receiver yega yega inoshandisa standard kana service architecture yakafanana.

Kugadzira PCB yeCable TV Box yeOEM neODM Projects

Kupinza tambo, tuner uye demodulator ndizvo zvinonyanya kukosha mubhodhi. DVB-C neDVB-C2 zviyero zvetambo dzedhijitari, nepo kushandiswa kwemushandisi chaiye uye kuiswa kwechigadzirwa kunogona kusiyana. DVB-C2 inotsanangurwa yekuparadzira terevhizheni yedhijitari pamusoro pema network etambo dzeHFC uye kuiswa kwakabatana. Pakeji yekugadzira inofanirwa kuratidza chiyero chaicho uye magadzirirwo etuner/demodulator anodiwa nechigadzirwa.

Ona zvinhu zveDVB zveDVB-C2 kana purojekiti ichishandisa chiyero ichocho.

Mabhokisi eTV eCable, Satellite, Terrestrial uye Android Haachinjiki

Zvigadzirwa zvacho zvese zvinogona kunge zvine HDMI ne processor, asi hardware yazvo yekugamuchira yakasiyana. Bhokisi re cable rinotanga ne RF input ye cable uye wire demodulation chain; satellite receiver inoshandisa satellite/LNB environment; terrestrial receiver inoshandisa antenna input uye terrestrial standard; Android TV box ipuratifomu yakajairika ye smart-TV uye haipe kugamuchira nhepfenyuro.

Cable RF Front End, Tuner uye Demodulation Architecture

Chinobatanidza RF input, tuner uye shielding iri pedyo zvinoumba chikamu chinonzwisisika chebhodhi. Kugadzira kunofanirwa kuchengetedza nzira yaunoda kuendesa uye kuiswa kwechikamu. Chinobatanidza coaxial chinowanawo mutoro wemakanika panguva yekuisa tambo, saka solder nerutsigiro rwemakanika zvinoda kuongororwa zvinoenderana nedhizaini yekubatanidza.

Highleap inotsigira kugadzirwa kweRF PCB uye RF shielding uko izvi zvinodzora zviri chikamu chekugadzirwa kwemutengi.

Tuner, Demodulator uye Kugadziriswa Kwekutakura

Mushure meRF front end, receiver inodzosa stream yedhijitari uye bhodhi rinogona kugadzirisa, kubvisa uye kuendesa data iroro kuHDMI kana zvimwe zvinobuda. Decoder chaiyo uye dhizaini yebasa zvinoenderana nezvigadzirwa. Zviri nani kuti chinyorwa chekugadzira chitsanangure nzira yesignali padanho iri pane kufunga kuti pane chipset kana codec chaiyo yebhokisi rega rega re cable.

• Kupinza tamboChinobatanidza RF uye kusimba kwemberi.
• TunerKusarudzwa kwechiteshi uye kushandurwa kweRF-ku-baseband kunotsanangurwa nedhizaini.
• DemodulatorKudzoreredzwa kwedata redhijitari rinotumirwa uchishandisa chiyero chakatarwa chetambo.
• Purosesa yedhijitariKubata, kugadzirisa makodhi, kushandiswa kwemushandisi uye mabasa ebasa sezvinodiwa.
• gohoHDMI, AV, USB kana zvimwe zvinosanganisirwa muchigadzirwa.
• Network/sevhisiEthernet kana zvimwe zvinhu zve network chete kana chikamu cheSKU chakaburitswa.

DVB-C neDVB-C2 Zvinofanira Kuonekwa Sezvinhu Zvinoshandiswa Pakugadzira

DVB-C2 sisitimu yekutumira tambo dzedhijitari yechizvarwa chechipiri yenetwork dzetambo nezvimwe zvinhu zvakafanana. Bhokisi reTV retambo rinogona kushandisa DVB-C, DVB-C2 kana imwe tambo zvichienderana nenetwork yaunoda kushandisa. Saka peji rezvigadzirwa harifanirwe kureva kuti bhokisi rega rega retambo rinoshandisa tuner imwechete, modulation handling kana demodulator chipset.

Tsanangudzo yeDVB-C2 inotsanangura sisitimu yekutumira mashoko uku ichisiya sarudzo dzekushandisa dziri padivi rekugamuchira dzakavhurika. Muchokwadi, mugadziri wePCB anoda gadziriso chaiyo yemutengi ye tuner/demodulator uye nzvimbo yekuyedza pane kutaura kwakajairika nezve cable TV.

Kuedzwa kweCable Input Kunofanirwa Kudzokororwa

Sosi yeRF inofanira kutsanangurwa mumirayiridzo yekuyedza. Chinoburitsa masaini, chinobvumira tambo-network simulator kana sosi yekutarisa zvinogona kupa mukana wekudzokorora; network isina kudzorwa inogona kusadaro. Bvunzo yekugadzira inofanira kunyora kana bhodhi rakawana chiteshi/sevhisi yaida uye kana kubuda kwacho kwaive kwakarurama.

Kupinda Kwemamiriro Ezvinhu, Firmware uye Magadzirirwo Akanangana Nemushandi

Dzimwe nzvimbo dzebasa retambo dzinoshandisa tekinoroji yekupinda mumagetsi ine mamiriro ezvinhu, asi kwete mabhokisi ese etambo anoshandisa nzira imwechete kana interface chaiyo. PCB inogona kunge iine mudziyo wekuchengetedza, interface yekadhi kana block yekuchengetedza yakachengeteka zvichienderana nemushandisi uye chigadzirwa. Saka bvunzo chaiyo yekugadzira ndeyekubvumidzwa kwakatarwa kwemutengi kana kutarisa interface, kwete chirevo chekuti mabhokisi ese etambo ane module yekuchengetedza yakati.

Kugadziriswa kweFirmware neHardware Kunofanira Kuramba Kwakabatana

Mabhokisi etambo anowanzova neshanduro dzehardware nesoftware dzinoshanduka pamwe chete. Sarudzo itsva yekutumira kana memory inogona kuda shanduko dzinoenderana nefirmware. Saka zvinyorwa zvekugadzira zvinofanirwa kuratidza PCB revision, BOM revision, programmed image uye test revision pamwe chete.

Mhando dzeMushandisi Dzinoda Matrix yeHardware Inodzorwa

PCB yekabati inogona kutsigira vashandisi vakasiyana kana misika kuburikidza nesoftware, conditional-access configuration, tuner options kana populated components. Matrix yekugadzira inogona kuita kuti misiyano iyoyo ive pachena uye kudzivirira fekitori kubva pakuvaka hybrid configuration isina kumbobvira yasimbiswa.

Zvinodiwa neMushandi weCable Zvinogona Kuchinja Kuyerera kwePCBA Test

Chigadziro chetambo chakagadzirirwa nzvimbo yakatarwa yemushandisi chinogona kuda mufananidzo wesoftware wakasiyana, kuyerera kwemvumo kana magadzirirwo edunhu kubva kune mumwe mutengi anoshandisa hardware yakafanana. Misiyano iyoyo inofanira kutorwa mukuburitswa kwekugadzirwa pane kuiswa muruzivo rwemushandisi asina kurongeka. Chigadziro chekuedza chinogona kusarudza kutevedzana kwakakodzera zvichibva paSKU yekugadzira.

HDMI, USB, Ethernet uye Cable Box PCBA Assembly

Ma interface ekunze anogadzira zvinodiwa zvemagetsi uye zvemakanika. HDMI ne USB zvinoda nzira chaiyo yekufambisa nekukurumidza uye kuiswa kweconnector; Ethernet inoda PHY yakatenderwa uye magnetics arrangement apo network access inosanganisirwa. Ma USB connectors anowanawo simba rekupinda rinodzokororwa, saka solder uye anchoring zvinofanirwa kuongororwa.

Highleap ine zviwanikwa zvekutaurirana , USB hub PCB uye PCB assembly kana mabasa aya ari chikamu chekugadzirwa kwevatengi.

Kuongororwa kweGungano reMabhodhi ekugamuchira Cable

MaPCB ebhokisi retambo anogona kusanganisa zvikamu zveRF, mapurosesa efine-pitch, memory, connectors uye mapakeji eBGA. AOI inogona kufukidza majoini akawanda eSMT nepo X-ray ichigona kutariswa pamajoini esolder akavanzwa. Kusoldera kweRF connector kunofanirwa kuongororwa nemaziso uye nekanika nekuti kupinda kwetambo nguva nenguva kunogona kuita sedambudziko retuner.

Kuungana Kwekupedzisira Kunogona Kuchinja Kushushikana Kwekubatanidza

Mabhokisi etambo anowanzoisa RF, HDMI, USB uye ma power connectors akatenderedza miganhu yenzvimbo dzakavharirwa. Kana tambo dzabatanidzwa, bhodhi rinochinjika uye rinoisa ma connector zvinogona kusiyana nehurongwa hwebhenji. Saka, kuongororwa kwekutanga kunofanirwa kusanganisira interface yekupedzisira yemuchina apo simba retambo rinogona kukanganisa kubatanidzwa.

Kuongororwa Kwebasa reTV yeCable uye Kuongororwa Kwekukundikana

Chinhu chinobatsira chinotanga nemamiriro ekuyedza eRF akatsanangurwa uye chinoenderera mberi kuburikidza nekutora nzira uye zvinobuda zvinoenderana nemushandisi. Kwakabva bvunzo chaiyo, frequency/channel, mamiriro ekukiyiwa anotarisirwa uye zviri mukati zvinofanirwa kupihwa nemuridzi wechigadzirwa.

1. Simba-kumusoro: simbisai kutanga uye maitiro aripo pasi pemamiriro akatenderwa.
2. Firmware: simbisa kugadziridzwa kwesoftware uye magadzirirwo ehardware anotarisirwa.
3. RF inobva: batanidza nzvimbo yekuyedza waya yakatenderwa.
4. Kuwana: simbisa maitiro emuchina wekugadzirisa zvinhu (tuner) uye ekushandisa demodulator.
5. Chikwata: simbisa HDMI/AV kana chimwe chinhu chinodiwa.
6. User control: rovedza mabasa ari kure/pamberi pepaneru ari muSKU.
7. Mabasa ebasa: simbisa Ethernet, USB, nzvimbo yekuchengetera kana kugadzirisa kana zvataurwa chete.
8. Access control: tanga bvunzo yekudzivirira kana yekudzivirira yakatenderwa nemutengi kana zvichibvira.

Highleap inogona kuita bvunzo dzinoshanda uye kubatanidza zvishandiso zvinopihwa nevatengi pazvinenge zvakakodzera.

Zvikamu zveKukundikana kweBhokisi reCable Cable

Chinyorwa chinobatsira chekugadzira chinogona kupatsanura zvikanganiso zvichienderana nedanho rekutanga, rekugadzirisa, rekuburitsa, rekudzora kana rekupa. Izvi zvinobatsira mainjiniya kuona kana matanho ekugadzirisa ari ePCB assembly, component sourcing, firmware kana system integration.

• Kukundikana kwepamberi: Chinobatanidza RF, tuner, demodulator kana nzira yesimba/yekudzora yakabatana nayo.
• Kukundikana kwekugadzirisa kwedhijitari: processor, memory, storage kana firmware.
• Kukundikana kwezvinobuda: Chinongedzo cheHDMI/AV, nzira yekufambisa, magadzirirwo esoftware kana chiratidziro chekuratidzira.
• Kukundikana kudzora: Chinogamuchira IR, mabhatani kana chinongedzo chepamberi.
• Kukundikana kwekupa: firmware isiriyo, magadzirirwo kana gadziriro yekuchengetedzwa yakanangana neoperator.

Kukundikana kweRF neDigital Kunofanira Kuongororwa Zvakasiyana

Bhokisi retambo harigone kuratidza mufananidzo nekuti RF front end haina kuwana chiratidzo, nekuti decoder yakundikana, nekuti firmware haina kunaka, kana kuti HDMI output haina kunaka. Kuedzwa kwakaitwa nematanho kunodzivirira zvikanganiso zvese izvi kuti zvisanzi dambudziko rakafanana uye kunobatsira fekitori kuona kana chiito chekugadzirisa chiri chekuunganidza, kuwana zvikamu, firmware kana kubatanidzwa kwesisitimu.

Mabhodhi Ekugamuchira Cable Akabatana uye Kuwanikwa Kwenzvimbo

Bhokisi reTV retambo rinogona kunge rakakomberedzwa nemodule yetuner, chikamu cheRF front-end, conditional-access interface, multimedia decoder, storage, network interface uye power circuitry. Mune mamwe magadzirirwo aya mabasa anobatanidzwa kuita mainboard imwe chete; mune mamwe akakamurwa mumamodule kana mabhodhi.

Mashoko akafanana nechigadzirwa anosanganisira PCB yekugamuchira cable, bhodhi rekugamuchira DVB-C, PCB yekugamuchira QAM, bhodhi guru rekuisa cable, bhodhi reRF tuner uye bhodhi rekushandisa conditional-access. Izvi zvinobatsira pakutsanangura zvinodiwa nehardware iri pedyo, asi hazvifanirwe kutorwa sezvigadzirwa zvinotsiviwa.

Highleap Electronics inogadzira uye inounganidza PCB/PCBA yakaburitswa nemutengi. Haishandise sevhisi yeterevhizheni yetambo uye haitengesi bhokisi retambo rapera sechiratidzo chemutengi.

Kutsvaga Hardware yeTable-TV yeDunhu

Zvishandiso zveterevhizheni yetambo zvinoenderana zvakanyanya nemusika nekuti vanoishandisa, magadzirirwo enetwork uye marongero ekuwana zvinhu zvakasiyana-siyana. Chikwata cheOEM chekuAmerica kana chekuCanada chinofanira kuona sisitimu yetambo yavanoda uye magadzirirwo etuner/demodulator anotenderwa. Matimu ekuEurope muGermany, France, Italy neUK anogona kushandisa magadzirirwo akasiyana emushandisi kana masevhisi. Saka dunhu iri rinofanira kunge riri muchimiro chechigadzirwa kana richichinja maelectronic, kwete sezita remaguta rakawedzerwa kuti rionekwe.

Mashoko anoshanda ari pedyo anosanganisira mugadziri wePCB wekerubhi rekuisa tambo pamusoro , DVB-C PCB assembly , QAM tuner board , cable receiver mainboard uye RF set-top box PCBA . Mashoko aya anotsigira zviri mukati zvinotarisa kutenga kana circuitry inoenderana nayo ichikurukurwa.

Mafaira Ekugadzira PCB, Kukura Kwemabhokisi uye Kudzora Kugadzirwa

Pakeji yakasimba yekugadzira inosanganisira data reGerber kana ODB++, dhizaini yekugadzira, stackup kana impedance notes kana zvichidikanwa, BOM, pick-and-place, assembly drawing, RF component requirements, firmware, connector details uye test instructions. Kana bhokisi re cable riine operator yakasiyana kana regional SKUs, ipai variant matrix inoratidza musiyano wehardware nesoftware.

Kana Bhokisi-Kuvaka Chikero Chichidiwa

Kana Highleap ikakumbirwa kubatanidza PCB chete, chiyero chekugadzira chinogumira paPCBA. Kana purojekiti ichidawo kubatanidzwa kwenzvimbo, tambo, zviratidziro, mabhatani, shielding kana mamwe mabasa ekupedzisira, mashandiro iwayo anofanira kutsanangurwa zvakasiyana. Highleap inopa turnkey box-build assembly kumapurojekiti anopfuura PCB.

Mugamuchiri weCable Unodzokororwa Unoda Kuiswa Kwakarongwa uye Kuedzwa

Chinangwa chekugadzira ndechekuenderana: RF front end chaiyo, hardware yedhijitari inotenderwa, magadzirirwo esoftware akakodzera uye bvunzo inoshanda inoenderana nenzvimbo yebasa remutengi. Highleap Electronics inogona kutsigira kugadzirwa kwePCB, kuunganidza uye kuyedza uku ichisiya sarudzo dzakajairwa uye dzakanangana nedzemushandisi pasi pezvinodiwa nemutengi zvechigadzirwa.