I-multiLane AT4079B GUI Bit Error Ratio Tester
Ulwazi Lomkhiqizo
I-AT4079B GUI User Manual iyinkomba yomsebenzisi ye-AT4079B Bit Error Ratio Tester. Iklanyelwe ukuhlola nokuhlaziya amasistimu okudlulisa idatha anesivinini esikhulu. Umhloli usekela ukusebenza kwemizila engu-8 ngesilinganiso se-baud esisuka ku-1.25 siye ku-30 GBaud. Iyakwazi ukuhlola womabili amafomethi wokusayina we-NRZ kanye ne-PAM4. Imanuwali ihlinzeka ngemiyalo enemininingwane yokuthi isetshenziswa kanjani isixhumi esibonakalayo somsebenzisi womhloli (i-GUI) ukwenza izivivinyo ezihlukene nezilinganiso. I-AT4079B GUI User Manual iyinguqulo ebuyekeziwe engu-0.4, yangoMashi 2021. Iqukethe izaziso ezibalulekile mayelana nemikhawulo kahulumeni ekusetshenzisweni, ukuphindaphinda, noma ukudalulwa komkhiqizo nguHulumeni. Imanuwali iphinde iveze ukuthi imikhiqizo ye-MultiLane Inc. ivikelwe amalungelo obunikazi ase-US nawangaphandle.
Imiyalo yokusetshenziswa komkhiqizo
Izinyathelo Ezijwayelekile Zokuphepha Ngaphambi kokusebenzisa i-AT4079B Bit Error Ratio Tester, phindaview izinyathelo zokuphepha ezilandelayo zokuqinisekisa ukusebenza okuphephile:
- Sebenzisa intambo yamandla eshiwo eqinisekisiwe ezweni lokusetshenziswa.
- Bheka zonke izilinganiso zetheminali kanye nokumaka emkhiqizweni.
- Ungasebenzisi umhloli ngaphandle kwamakhava noma amaphaneli.
- Gwema ukuthinta ukuxhumana okuveziwe kanye nezingxenye uma amandla ekhona.
- Uma kukhona okusolekayo komonakalo emkhiqizweni, ingabe usuhloliwe izisebenzi zesevisi eziqeqeshiwe?
- Gwema ukusebenzisa umhloli endaweni emanzi/damp izimo noma endaweni eqhumayo.
- Gcina izindawo zomkhiqizo zihlanzekile futhi zomile.
Ukufakwa
Landela lezi zinyathelo ukuze ufake i-AT4079B Bit Error Ratio Tester:
- Qinisekisa ukuthi ubuncane bezidingo ze-PC ziyahlangatshezwa. (Bheka imanuwali ukuze uthole imininingwane mayelana nezidingo ezincane ze-PC.)
- Xhuma umhloli ku-PC usebenzisa uxhumano lwe-Ethernet.
Izinyathelo Zokuqala
Ukuze uqale ukusebenzisa i-AT4079B Bit Error Ratio Tester, landela lezi
izinyathelo
- Xhuma umhloli ku-PC nge-Ethernet.
I-AT4079B GUI Incwadi Yomsebenzisi
8-Umzila | 1.25-30 GBaud | I-Bit Error Ratio Tester 400G | I-NRZ ne-PAM4
I-AT4079B GUI User Manual-rev0.4 (GB 20210310a) March 2021
Izaziso
Thola i-copyright © MultiLane Inc. Wonke amalungelo agodliwe. Imikhiqizo yesofthiwe enelayisensi ingeye-MultiLane Inc. noma abahlinzeki bayo futhi ivikelwe imithetho ye-copyright yase-United States nezinhlinzeko zesivumelwano samazwe ngamazwe. Ukusetshenziswa, ukuphindwaphindwa, noma ukudalulwa nguHulumeni kungaphansi kwemikhawulo njengoba ibekwe endinyaneni (c)(1)(ii) ye- Rights in Technical Data and Computer Software clause in DFARS 252.227-7013, noma izigatshana (c)(1) ) kanye (2) Nesofthiwe Yekhompyutha Yezohwebo — isigatshana samalungelo Akhawulelwe kokuthi FAR 52.227-19, njengoba sisebenza. Imikhiqizo ye-MultiLane Inc. imbozwe ngamalungelo obunikazi ase-US nakwamanye amazwe, akhishiwe futhi alindile. Ulwazi olukulolu shicilelo ludlula lokho kukho konke okushicilelwe ngaphambilini. Ukucaciswa namalungelo okushintsha intengo kugodliwe.
Isifinyezo Esijwayelekile Sokuphepha
Review izinyathelo zokuphepha ezilandelayo ukuze ugweme ukulimala futhi uvimbele ukulimala kwalo mkhiqizo nanoma yimiphi imikhiqizo exhunywe kuwo. Ukuze ugweme izingozi ezingaba khona, sebenzisa lo mkhiqizo ngendlela eshiwo kuphela. Abasebenzi abaqeqeshiwe kuphela okufanele benze izinqubo zesevisi. Ngenkathi usebenzisa lo mkhiqizo, kungase kudingeke ukuthi ufinyelele kwezinye izingxenye zesistimu. Funda Isifinyezo Esijwayelekile Sokuphepha kwamanye amamanyuwali wesistimu ukuze uthole izexwayiso nezixwayiso ezihlobene nokusebenza kwesistimu.
Ukugwema Umlilo noma Ukulimala Komuntu
Sebenzisa Intambo Yamandla Efanele. Sebenzisa kuphela intambo yamandla eshiwo lo mkhiqizo futhi egunyazwe izwe osetshenziswa kuyo. Bheka Zonke Izilinganiso Zetheminali. Ukuze ugweme izingozi zomlilo noma ezishaqisayo, bheka zonke izilinganiso nezimpawu zomkhiqizo. Bheka imanuwali yomkhiqizo ukuze uthole ulwazi olwengeziwe lokulinganisa ngaphambi kokuxhumana nomkhiqizo.
- Ungasebenzisi amandla kunoma iyiphi itheminali, okuhlanganisa netheminali evamile eyeqa isilinganiso esiphezulu saleyo theminali.
- Ungasebenzi Ngaphandle Kwekhava.
- Ungawusebenzisi lo mkhiqizo ukhishwe amakhava noma amaphaneli.
- Gwema Ukujikeleza Okudaluliwe. Ungathinti ukuxhumeka okuveziwe kanye nezinto lapho amandla ekhona.
- Ungasebenzi Ngokuhluleka Okusolwayo.
- Uma usola ukuthi kunomonakalo kulo mkhiqizo, yenza ukuthi uhlolwe izisebenzi zesevisi eziqeqeshiwe.
- Ungasebenzi Kumanzi/Damp Izimo. Ungasebenzi Emkhathini Oqhumayo. Gcina Indawo Yomkhiqizo Ihlanzekile Futhi Yomile
- Izitatimende zokuxwayisa zikhomba izimo noma izinqubo ezingase zibangele umonakalo kulo mkhiqizo noma enye impahla.
ISINGENISO
Leli yimanuwali yokusebenza komsebenzisi ye-AT4079B. Ihlanganisa ukufakwa kwephakheji yesofthiwe yayo futhi ichaza indlela yokusebenzisa ithuluzi lokukhiqiza iphethini nokutholwa kwamaphutha; indlela yokulawula uhlelo lwewashi, okokufaka/okuphumayo kanye nazo zonke izilinganiso ezitholakalayo.
| Isifinyezo | Incazelo |
| U-BERT | I-Bit Error Rate Tester |
| I-API | I-Application Programming Interface |
| I-NRZ | Ukungabuyi kuZiro |
| GBd | Gigabaud |
| I-PLL | I-Loop Ekhiywe Isigaba |
| PPG | I-Pulse Pattern Generator |
| GHz | I-Gigahertz |
| I-PRD | Idokhumenti Yezidingo Zomkhiqizo |
| I/O | Okokufaka/Okukhiphayo |
| I-R&D | Ucwaningo Nokuthuthukiswa |
| HW, FW, SW | I-Hardware, i-Firmware, iSoftware |
| I-GUI | I-Graphical User Interface |
| I-ATE | Imishini Yokuhlola Okuzenzakalelayo |
| I-HSIO | I-High-Speed I/O |
I-API kanye ne-SmarTest Documents
- Le manuwali isekela ithuluzi i-AT4079B futhi iyahambisana ne-Advantest V93000 HSIO test head extender frame/twinning.
- Wonke ama-API ayatholakala ku-Linux futhi ahlolwe ngaphansi kwe-Smartest 7. Ukuze uthole uhlu lwama-API nokuthi asetshenziswa kanjani sicela ubhekisele kufolda ethi “API” ku-AT4079B. webikhasi.
- Le manuwali ayichazi ukuthi isetshenziswa kanjani ithuluzi kusetshenziswa indawo ye-SmarTest. Bheka i-Advantest webisiza esingezansi sedokhumenti ye-SmarTest ephawula ukuthi ingashintsha ngaphandle kwesaziso futhi idinga namalungelo okungena ngemvume anikezwe nge-Advantest.
- https://www.advantest.com/service-support/ic-test-systems/software-information-and-download/v93000-software-information-and-download
Isoftware Yomkhiqizo
Ithuluzi lihlanganisa isofthiwe elandelayo: AT4079B GUI. I-Instrument GUI isebenza ku-Windows XP (32/64 bit), Windows 7,8, 10, kanye ne-XNUMX.
QAPHELA. Lezi zinhlelo zokusebenza zidinga iMicrosoft .NET Framework 3.5.
Uma i-Microsoft.NET Framework 3.5 idingeka, ingalandwa ngalesi sixhumanisi: http://download.microsoft.com/download/2/0/e/20e90413-712f-438c-988e-fdaa79a8ac3d/dotnetfx35.exe.
Ukuze uthole izibuyekezo ezengeziwe zemikhiqizo, hlola okulandelayo webikhasi: https://multilaneinc.com/products/at4079b/
Izidingo Ezincane ze-PC
Izakhiwo ze-Windows PC zohlelo lokusebenza lwe-AT4079B GUI kufanele zihlangabezane nokucaciswa okulandelayo:
- Windows 7 noma ngaphezulu
- Ubuncane be-RAM engu-1 GB
- Ikhadi le-Ethernet eli-1 lokusungula uxhumano nedivayisi
- Isixhumi se-USB
- I-Pentium 4 processor 2.0 GHz noma ngaphezulu
- I-NET Framework 3.5 sp1
QAPHELA: Kuyanconywa ukuthi uxhume i-BERT nge-Ethernet ku-PC eyodwa kuphela ukuze uvimbele ukungqubuzana kusuka kumiyalo eminingi yabasebenzisi.
QAPHELA: Akunconywa ukuxhuma ithuluzi kunethiwekhi enensayo noma ukuxhuma kuyo nge-WiFi
Ukufakwa
Lesi sigaba sikhuluma ngokufakwa nokulethwa kwethuluzi. Ihlukaniswe izigaba ezimbili eziyinhloko:
- Ukuqaliswa kwesistimu
- Indlela yokuxhuma kuthuluzi
Izinyathelo Zokuqala
Uma uqala ukuthola ithuluzi, linekheli lasesizindeni se-inthanethi elilungiswe ngaphambilini elivela efekthri. Leli kheli lasesizindeni se-inthanethi liphrintwe kulebula ekuthuluzi. Ungakhetha ukugcina le-IP noma ukuyishintsha. Uma udinga ukushintsha ikheli le-IP bheka esigabeni esithi “Indlela yokushintsha i-IP nokuvuselela i-firmware”.
Xhuma nge-Ethernet
Xhuma i-PC kundiza yangemuva ngesixhumi se-RJ45 ngekhebula ye-Ethernet ukuze ukwazi ukuyilawula. Ukuze uxhume nge-Ethernet, ikheli le-IP lebhodi liyadingeka. Ukuze ufunde okwengeziwe ngezinketho zokuthi uyixhuma kanjani ikhebula ye-Ethernet hamba esigabeni esithi Xhuma Ngekhebula ye-Ethernet. Qaphela ukuthi abekho abashayeli abadingekayo; kufanele umane wazi ikheli le-IP lebhodi lamanje, udinga ukulifaka ebhokisini lombhalo eduze kwelebula ye-IP eboniswe esithombeni esingezansi, bese uchofoza inkinobho yokuxhuma.
Umfanekiso 1: Xhuma Nge-Ethernet
Manje usuxhumekile.
- Uma usuxhunyiwe, inkinobho ethi Xhuma iphenduka ibe Nqamula.
- Ukuze wenze isiqiniseko sokuthi uxhumekile, ungaphinda u-ping idivayisi yakho.
Ithuluzi manje selinikwe amandla futhi lixhunywe ngekheli le-IP elilungile. Okulandelayo, udinga ukumisa isignali ekhiqizwayo. Nakuba i-AT4079B iwuhlobo lwe-ATE lwensimbi, ingasetshenziswa njenganoma iyiphi enye i-Multilane BERT futhi ingalawulwa kusukela ku-BERT GUI evamile ye-Windows. Lokhu ngokwesibonelo kuyasiza lapho uxazulula inkinga yokusetha. I-BERT GUI ejwayelekile ingalandwa enkampanini webindawo, ngaphansi kwesigaba sokulanda se-AT4079B. Umfanekiso 2: AT4079B GUI Ku-GUI yensimbi yakho, kunezinkambu zokulawula ezimbalwa ezichazwe ngayinye ngezansi.
I-Instrument Connect Field
Umfanekiso 3: Inkambu Yokuxhuma Insimbi
Into yokuqala ofuna ukuyenza ukuqinisekisa ukuthi uxhumeke kuthuluzi. Uma kunjalo, inkinobho yokuxhuma izofunda okuthi Nqamula, bese i-LED eluhlaza iyakhanyisa.
I-PLL Lock kanye Nezinga Lesimo Sezinga Lokushisa
Bheka ama-LED nokufundwa kwezinga lokushisa kulo mkhakha. I-TX Lock isho ukuthi i-PLL ye-PPG ikhiyiwe. Ilokhi ye-RX iba luhlaza kuphela uma isignali ye-polarity efanele kanye nohlobo lwe-PRBS kutholwa kumtshina wephutha.
Uma izinga lokushisa lifinyelela ku-65 ̊C, izinto zikagesi zizocisha ngokuzenzakalelayo.
Ifunda Ukubuyekezwa Kwe-Firmware efakiwe
Inguqulo ye-firmware efakiwe iboniswa ekhoneni eliphezulu kwesokudla se-GUI.
Umfanekiso 5: Ukufunda Ukubuyekezwa Kwe-Firmware efakiwe
Ukucushwa Kwesilinganiso Somugqa (Kusebenza kuzo zonke iziteshi ngesikhathi esisodwa)
Umfanekiso 6: Ukucushwa Kwesilinganiso Somugqa Yilapho usetha khona i-bitrate yazo zonke iziteshi eziyisi-8 ngokuthayipha isilinganiso osifunayo. Imenyu yokudonsela phansi ibala isinqamuleli kuma-bitrate asetshenziswa kakhulu, nokho, awukhawulelwe kuphela kulolo hlu. Ungakwazi futhi ukukhetha okokufaka kwewashi. Iwashi lingaphakathi ngokuzenzakalelayo. Kufanele ushintshele kokuphakelayo kwewashi langaphandle lapho udinga ukuvumelanisa ama-AT4079B amabili noma ngaphezulu komunye nomunye ngendlela yomphathi wezigqila; Uma kunjalo, uxhuma amawashi ochungechungeni lwe-daisy. Ngemva kokushintsha iwashi langaphakathi liye langaphandle futhi ngokuphambene nalokho, kufanele uchofoze u-faka isicelo ukuze izinguquko zisebenze (lokhu kuthatha imizuzwana embalwa).
Imodi & Izilungiselelo Zewashi (Sebenzisa kuzo zonke iziteshi ngesikhathi esisodwa)
Incazelo Isithombe-skrini I-“Ref” isho imvamisa yokuphuma kwewashi. Lona umsebenzi we-bitrate futhi uzohluka ngokuya ngezilungiselelo zakho zokuvala iwashi ngaphansi kwemenyu ethi "Imodi". Ukwazi ukuvama kwewashi okukhishwayo yi-BERT kuyasiza uma ufuna ukuqalisa i-oscilloscope. Amanye ama-oscilloscope adinga imvamisa yewashi engaphezu kuka-2 GHz. Ukuze wenze i-AT4079B ikhiphe lokho, ngena ngaphansi kwezilungiselelo zemodi bese ukhetha i-Clock out ukuze ibe “Monitor”. Khetha idinomineyitha ukuze umphumela ube ngaphakathi kobubanzi besikophu. Ukuze ushintshe phakathi kwamakhodi e-NRZ kanye ne-PAM-4, sebenzisa ukulungiselelwa kwe-TX Mode, bese uchofoza okuthi Faka. Izinketho zeGrey Mapping kanye ne-DFE pre-coding kutholakala kuphela kwimodi ye-PAM4. I-DFE Pre-coding ithumela i-pre-amble ukuze isamukeli se-DFE sivumelaniswe ngaphambi kokuba iphethini yangempela ye-PRBS idluliselwe, ukugwema ukusakazeka kwephutha le-DFE. Ingabe idikhoda isebenzisa isikimu sika-1+D ngokuphendula i-?=??+? ukubhala ngekhodi. Okwamanje, ukubhala kuqala kwe-DFE kuyazenzakalela futhi akukhetheki umsebenzisi. I-Grey Mapping inika amandla ukusetshenziswa kwe-PRBSxxQ echazwe ku-IEEE802.3bs. Uma i-Grey mapping inikwe amandla, i-PRBS13 ne-PRBS31 ngaphansi kwemenyu yokukhetha iphethini ziphenduka zibe PRBS13Q kanye ne-PRBS31Q ngokulandelanayo. Imephu empunga ngokuyisisekelo ihlela kabusha imephu yezimpawu ibe yilokhu okulandelayo: 00 → 0 01 → 1 11 → 2 10 →
Izilungiselelo zesiteshi sangaphambilini
Ungalungisa lezi zilungiselelo ngokwesiteshi ngasinye. Lezi izi:
Incazelo Isithombe-skrini I-AT4079B ingakhipha amaphethini anhlobonhlobo achazwe ngaphambilini. Ngokungeziwe kumaphethini e-PRBS, kukhona amaphethini okuhlola omugqa kanye nama-jitter. Futhi, ngaphezu kwamaphethini achazwe ngaphambilini, umsebenzisi unethuba lokuchaza iphethini yakhe - okuningi kulokhu okungezansi. Qaphela: ukutholwa kwephutha kusebenza kuphela kumaphethini e-PRBS akhona kuhlu lokudonsela phansi lwephethini ye-RX. Akwenzeki ukuthola iphutha kumaphethini achazwe ngokwezifiso. Iphethini yangokwezifiso yenziwe ngezinkambu ezi-2 ezinezinhlamvu ezingu-16 ze-hexadecimal ngayinye. Umuntu kufanele agcwalise zombili izinkambu ngazo zonke izinhlamvu ezingu-32 hex. Zonke izinhlamvu ze-hex zingamabhithi angu-4 ububanzi, akha izimpawu ze-PAM2 ezi-4; isbampI-le 0xF ingu-1111 ngakho esizindeni se-PAM esinekhodi empunga lokhu kuphumela ku-22, kucatshangwa ukuthi amazinga e-PAM achazwa u-0, 1, 2, kanye no-3 Ex.ample 2: ukudlulisa isignali yezitebhisi 0123, gcwalisa izinkundla ngokuphindaphinda kwe-1E
Kumenyu Yephethini ye-RX, umuntu angaphequlula wonke amaphethini okutholakala ngawo amaphutha. Qaphela ukuthi amaphethini e-TX ne-RX kufanele afane ukuze uthole ukukhiya kwe-RX futhi ngenxa yalokho ukwazi ukwenza izilinganiso. Futhi, i-polarity yephethini ibaluleke kakhulu futhi yenza umehluko phakathi kokuba nelokhi ye-RX PLL noma ungabi nhlobo nhlobo yokukhiya. Ungaqinisekisa i-polarity efanele ngokuxhuma uhlangothi lwe-TX-P lwekhebula ku-RX-P kanye ne-TX-N ku-RX-N. uma ungawuhloniphi lo mthetho, usengakwazi ukuguqula i-polarity kusukela ku-GUI ohlangothini lwe-RX kuphela. Izilawuli zeleveli yeso langaphakathi nangaphandle zinquma amanani aphezulu naphansi weso elimaphakathi le-PAM. Amanani okulawula okungenzeka asukela ku-500 kuya ku-1500 okulawula iso langaphakathi futhi asuka ku-1500 kuya ku-2000 ngeso langaphandle. Amanani alungile ngokuvamile amaphakathi nobubanzi. IsibampI-le yokulungisa izilungiselelo zamehlo angaphandle iboniswe ngezansi Okuzenzakalelayo ampUkulawulwa kwe-litude kulinganiswa ngamavelu e-millivolt kodwa akukuvumeli ukuthi uguqule izilungiselelo zesilinganisi. Uma udinga ukushintsha izilungiselelo zompompi we-FFE, sicela uye kokuthi bese uvula 'Izilungiselelo Ezithuthukisiwe'. Lokhu kukwenza ukwazi ukulawula amanani okugcizelela ngaphambi nangemuva kwesiteshi ngasinye, kodwa ampamanani e-litude ngeke aboniswe ngama-millivolt. Ngokuzenzakalelayo, ukuthepha okuthathu kuyakhonjiswa futhi kungahlelwa. Cabanga nge ampi-litude njengesilinganisi sedijithali esinompompi oyinhloko, i-pre-cursor (ukugcizelela ngaphambili), kanye nekhesa yangemuva (ukugcizelela ngemuva). Esimweni esivamile, izikhombisi zangaphambi nangemuva zisethelwe kuqanda; i ampi-litude ilawulwa kusetshenziswa impompi enkulu. Ukuthepha okuyinhloko, kwangaphambili, nangemuva kusebenzisa amanani edijithali aphakathi kuka -1000 kanye +1000. Ukwandisa nokunciphisa izikhombisi zangaphambili nangemuva kuzothinta futhi ampukufunda. Sicela uqinisekise ukuthi isamba se-pre-, post, kanye nezikhombisi eziyinhloko ngu-≤ 1000 ukuze kube nokusebenza okuphelele. Uma isamba sikampompi sidlula u-1000, ukuhambisana kwesignali ye-TX akukwazi ukugcinwa.
Umthelela we-Post-cursor ku-pulse Umsebenzisi angakwazi futhi ukuhlela ama-coefficients ompompi angu-7 esikhundleni sokuthepha nje oku-3 ngokuchofoza bese ethikha ibhokisi elithi Thinta Izilungiselelo: Ngemva kokufaka izilungiselelo, isilawuli sokuthinta kasikhombisa sizotholakala ukuze sihlelwe ngaphansi kwe- ampimenyu yokufunda. Noma yikuphi okukodwa kompompi abangu-7 kungachazwa njengompompi oyinhloko; kulokhu, ompompi abayandulelayo bazoba izikhombisi zangaphambili. Ngokufanayo, ompompi abalandela ukumpompi okuyinhloko kuzoba izikhombisi ezingemuva. Isisiki siyimodi ezenzakalelayo. Isikhanseli sesibonisi sisebenzisa amandla engeziwe kodwa siwusizo eziteshini ezikhandlayo eziqukethe izinguquko ze-impedance
Example Umphumela Wezilungiselelo Zangaphakathi Nangaphandle
Ukuthatha Izilinganiso Zephutha Lephutha Lesilinganiso Ukufunda Ukuze ukwazi ukuqalisa izilinganiso ze-BER, izimbobo zensimbi kufanele zibe kumodi ye-loopback, okusho ukuthi imbobo ye-TX kufanele ixhunywe embobeni ye-RX futhi amaphethini e-PPG nawe-ED kufanele afane. Umuntu akadingi ngempela ukunikeza i-PRBS ethuluzini elibonakalayo elifanayo - umthombo ungaba ithuluzi elihlukile futhi isitholi samaphutha se-AT4079B singathola iwashi laso kudatha etholiwe (asikho isidingo sesixhumanisi sewashi esihlukile). Nokho, uma kusetshenziswa ikhodi empunga emthonjeni, umuntu kufanele atshele umamukeli ukuthi alindele nokubhalwa kwekhodi okuGrey. Uma kukhona okufanayo kuphethini, i-polarity, kanye nekhodi kodwa nokho ungakhiyiwe, kungase kube nokushintshwa kwe-MSB/LSB ohlangothini olulodwa.
Ukulawulwa kwe-BER
Isilinganiso se-BER singasebenza ngemodi eqhubekayo futhi ngeke sime kuze kube yilapho umsebenzisi engenela futhi echofoza inkinobho yokumisa. I-BER ingasethwa futhi ukuze iqhube iyunithi inani eliqondiwe lifinyelelwa noma kuze kube yilapho inani elithile lamabhithi selidlulisiwe (amayunithi angamagigabhithi angu-10). Isibali sikhathi sivumela umsebenzisi ukuthi asethe isikhathi sokuthi i-BER ime.
Ithebula le-BER Lemiphumela
Isifinyezo sezilinganiso ze-BER siboniswa kufasitelana elilandelayo:
Igrafu ye-BER
Izakhiwo BER amanani aqoqwe kugrafu
Umfanekiso 11: Amagrafu we-BER
Ukuhlaziywa kwe-Histogram
I-histogram iyithuluzi lokuzikhethela lokuxazulula isixhumanisi. Ungacabanga ngayo njengobubanzi owakhelwe kumamukeli futhi iyasebenza noma ungenayo isikhiya sephethini. Kuzo zombili izimpawu ze-NRZ ne-PAM, igrafu ye-histogram iboniswa kanje:
Umfanekiso 12: PAM Histogram
- Ukuncipha kweziqongo kwenza ukusebenza kwesiginali ye-PAM kube ngcono futhi kuyancipha i-jitter. Lezi ziqongo zingathuthukiswa kusetshenziswa ukugcizelela kwangaphambili/kwangemuva okutholakalayo.
- Isifaniso esifanayo sisebenza njengaleso se-histogram ye-PAM.
Ukuhlaziywa Kwesiginali-kuNoise
I-SNR iyindlela yobuningi yokulinganisa amandla esignali eyamukelwe - inikezwa nge-dB.
Ilogi file Uhlelo
Ku-AT4079B BERT, kunelogi file uhlelo, lapho konke okuhlukile okusingathwa noma okungasingathwa yi-GUI kuzolondolozwa. Ngemuva kokugijima kokuqala, i-GUI idala i-a file kumkhombandlela omkhulu/kulogi ehlukile futhi ilondoloza konke okuhlukile okukhona. Uma kwenzeka umsebenzisi enenkinga nge-software, angathumela okuhlukile file eqenjini lethu.
Qaphela: okuhlukile file izosuswa ngokuzenzakalelayo ngemva kweviki elingu-1 lomsebenzi.
Ilondoloza futhi Iyalayisha Izilungiselelo
Ithuluzi lihlala ligcina izilungiselelo ezigcine ukusetshenziswa kumemori engaguquguquki. Lezi zilungiselelo zibuyiselwa ngokuzenzakalelayo ngesikhathi esilandelayo lapho uxhuma ku-BERT. Ngaphezu kwalokho, ungakha futhi ulondoloze isethi yakho yokusetha files futhi ingabuyela kuzo uma kudingeka. Bheka imenyu ethi Gcina/Layisha kubha yemenyu ye-GUI.
Ungalishintsha kanjani ikheli le-IP kanye ne-Firmware yokuvuselela
Ukuze uthole ulwazi mayelana nokushintsha ikheli le-IP kanye nokubuyekeza i-firmware ye-AT4079B, sicela ulande ifolda ethi “Maintenance” ku- https://multilaneinc.com/products/at4079b/. Ifolda iqukethe okulandelayo:
- I-ML Maintenance GUI
- Umshayeli we-USB
- Umhlahlandlela Womsebenzisi
Amadokhumenti / Izinsiza
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I-multiLane AT4079B GUI Bit Error Ratio Tester [pdf] Imaniwali yosebenzisayo I-AT4079B, AT4079B GUI Bit Ratio Tester, GUI Bit Error Ratio Tester, Bit Error Ratio Tester, Error Ratio Tester, Ratio Tester, Tester |
