Ungayithola kanjani i-oscilloscope ehamba phambili [Umhlahlandlela wabathengi + Okuphezulu okungu-5 kubuyekeziwe]

Uma ungumuntu wokuzilibazisa we-elekthronikhi, unjiniyela kagesi, noma uhileleke ku-electronics nganoma iyiphi indlela, uzokwazi ukuthi i-oscilloscope ingenye yalezo zisetshenziswa ongeke ukwazi ukuzikhokhela.

Uma usaqala ukusebenza noma ukudlala ngezinto zikagesi, maduze nje uzothola ukuthi i-oscilloscope iyithuluzi elibalulekile kulowo mkhakha.

Inketho yami ye-scope engcono kakhulu yonke indawo I-Rigol DS1054Z Digital Oscilloscope. Lena idivayisi ecebile futhi esebenziseka kalula enesilinganiso samasampuli esingaphezu kokwanele, ukucupha, kanye nomkhawulokudonsa. Kuzoba nzima ukuthola i-oscilloscope yedijithali engcono kakhulu yeziteshi ezi-4 ngentengo.

Nokho, ungase ubheke izici ezihluke kancane, njengokuphatheka noma isilinganiso esiphezulu sesampula, ngakho-ke ake ngikubonise ama-oscilloscope ami aphezulu angu-5 aphezulu ezigabeni ezihlukene.

Ama-oscilloscopes amahle kakhulu	Izithombe
I-oscilloscope engcono kakhulu: I-Rigol DS1054Z	(buka izithombe eziningi)
I-oscilloscope engcono kakhulu yama-hobbyists: I-Siglent Technologies SDS1202X-E	(buka izithombe eziningi)
I-oscilloscope engcono kakhulu yabaqalayo: I-Hantek DSO5072P	(buka izithombe eziningi)
I-mini oscilloscope ethengeka kakhulu: I-Signstek Nano ARM DS212 Iphathekayo	(buka izithombe eziningi)
I-oscilloscope ehamba phambili enezinga eliphezulu lamasampula: I-YEAPOOK ADS1013D	(buka izithombe eziningi)
I-oscilloscope enhle kakhulu ene-FFT: I-Hantek DSO5102P	(buka izithombe eziningi)
I-oscilloscope ehamba phambili ene-signal generator: I-Hantek 2D72	(buka izithombe eziningi)

Iyini i-oscilloscope?

I-oscilloscope iyithuluzi elibalulekile elisetshenziswa onjiniyela be-elekthronikhi elibenza bakwazi ukubona ngeso lengqondo izimpawu ze-waveform ocingweni ukuze zibhekwe futhi zixazulule izinkinga.

I-oscilloscope iyadingeka cishe kuyo yonke ilabhorethri ye-elekthronikhi lapho i-electronic hardware ihlolwa khona.

Iwusizo emikhakheni eminingi yokufunda okuhlanganisa idizayini ye-RF, idizayini yesekethe ye-elekthronikhi, ukukhiqizwa kwe-elekthronikhi, ukusevisa, nokulungisa izinto zikagesi.

I-oscilloscope ivame ukubizwa ngokuthi i-O-scope. Isetshenziselwa ukuqapha ama-oscillations wesekethe, yingakho igama.

Ayifani ne i-multimeter ye-graphing, i-vectorscope, noma i-logic analyzer.

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Inhloso eyinhloko ye-oscilloscope ukurekhoda isignali kagesi njengoba ishintsha ngokuhamba kwesikhathi.

Ama-oscilloscope amaningi akhiqiza igrafu enezinhlangothi ezimbili ngesikhathi ku-axis engu-x kanye ne-voltage ku-axis ka-y.

Izilawuli ezingaphambili kwedivayisi zikuvumela ukuthi ubuke okukhiphayo futhi ulungise isikrini nesikali ngokuvundlile noma mpo, sondeza isibonisi, gxilisa futhi uzinzise isignali.

Lokhu usifunda kanjani isikrini se-oscilloscope.

Uhlobo oludala kakhulu lwe-oscilloscope, olusasetshenziswa kwamanye amalebhu namuhla, lwaziwa ngokuthi i-cathode-ray oscilloscope.

Ama-oscilloscopes esimanje engeziwe aphindaphinda isenzo se-CRT kusetshenziswa i-LCD (i-liquid crystal display).

Ama-oscilloscope ayinkimbinkimbi kakhulu asebenzisa amakhompyutha ukucubungula nokubonisa amagagasi. Lawa makhompyutha angasebenzisa noma yiluphi uhlobo lwesibonisi, okuhlanganisa i-CRT, i-LCD, i-LED, i-OLED, ne-gas plasma.

Funda kabanzi mayelana nokuthi i-oscilloscope isebenza kanjani:

Umhlahlandlela womthengi: Yiziphi izici ongazibheka ku-oscilloscope

Kubalulekile ukucabangela izici ezilandelayo lapho ukhetha i-oscilloscope yakho.

Komkhawulokudonsa

I-bandwidth ku-oscilloscope ibhekisela ezingeni eliphezulu lefrikhwensi elingalinganisa.

Ama-oscilloscope omkhawulokudonsa ophansi anebanga lokuphendula lemvamisa elifushane ngokuqhathaniswa nalawo anomkhawulokudonsa ophezulu.

Ngokusho "komthetho wesihlanu", umkhawulokudonsa we-oscilloscope yakho kufanele okungenani uphindwe kahlanu kunomkhawulo omkhulu osebenza ngawo.

Enye yezindleko ezinkulu zokushayela ama-oscilloscopes umkhawulokudonsa.

I-o-scope enomkhawulokudonsa omncane ongu-200 MHz ingahamba ngamadola angamakhulu ambalwa, nokho, i-oscilloscope ephezulu enomkhawulokudonsa ongu-1 GHz ingahamba cishe ngama-$30,000.

Funda indlela yokubala imvamisa kusuka ku-oscilloscope lapha

Inani leziteshi

Inani lamashaneli ku-oscilloscope libalulekile.

Ngokwesiko, ama-oscilloscopes e-analog asebenza ngamashaneli amabili. Nokho, amamodeli edijithali amasha anikezela ngeziteshi ezi-4.

Funda kabanzi mayelana ne umehluko phakathi kwe-analog ne-digital oscilloscopes lapha.

Iziteshi ezengeziwe ziwusizo uma udinga ukuqhathanisa amasignali amabili noma ngaphezulu. Izikophu eziningi zingakwazi ukufunda isignali engaphezu kweyodwa ngesikhathi, zibonise zonke ngesikhathi esisodwa.

Iziteshi ezimbili zingaphezu kokwanele uma usaqala ngezinto zikagesi futhi noma iziphi iziteshi ezengeziwe zizomane zengeze ezindlekweni zedivayisi.

Isilinganiso sesampula

Ukusampula kuyadingeka ukuze wakhe kabusha isignali kahle. Izinga lesampula le-oscilloscope libhekisela enanini lokubhekwa okurekhodwe idivayisi ngomzuzwana.

Ngokwemvelo, idivayisi enezinga eliphezulu lamasampula izokunikeza imiphumela enembe kakhulu.

Memory

Wonke ama-oscilloscopes anenkumbulo, asetshenziselwa ukugcina amasampula. Uma inkumbulo isigcwele, idivayisi izozithulula okusho ukuthi ungase ulahlekelwe idatha.

Kungcono ukukhetha amamodeli anenkumbulo eningi, noma amamodeli asekela ukunwetshwa kwenkumbulo. Lesi sici ngokuvamile saziwa ngokuthi ukujula kwenkumbulo.

izinhlobo

Ngakho-ke, uma ufuna ngempela ukumba ujule kulesi sigaba, uzozithela phezu kwamagama okungenzeka awukaze uzwe ngawo. Nokho, isisusa sethu lapha ukukunikeza umbono olula noqondile wezinhlobo eziyisisekelo.

Ama-Oscilloscopes we-Analog

Ukukhetha i-analog oscilloscope namuhla akuyona into engaphansi kokungena ohambweni oluya esikhathini esedlule. I-analog oscilloscope inezici ezimbalwa, uma zikhona, i-DSO engeke yazidlula. Ngaphandle kwalapho ulingeka ngempela ukubukeka kwabo okuhle kwakudala nokuzizwa kwabo, akufanele babe ohlwini lwakho oluncamelayo.

Isitoreji Sedijithali Ama-Oscilloscopes (i-DSO)

Ngokungafani ne-analog, i-DSO igcina futhi ihlaziya amasignali ngedijithali. Inzuzo enkulu oyitholayo ngaphezu kwe-analog ukuthi iminonjana egciniwe igqamile, ichazwe ngokucacile, futhi ibhalwe ngokushesha okukhulu. Ungakwazi ukugcina ukulandelela ngokungapheli futhi kamuva ukulayishe kabusha kusukela kumadivayisi esitoreji sangaphandle futhi. Ingasaphathwa ukuthi kulula kangakanani ukuyisebenzisa, okuyenza ibe phezulu kumadivayisi e-analog.

I-Fact Factor

Kuya ngesici sefomu, uzothola izinhlobo ezintathu eziyisisekelo zama-DSO emakethe namuhla.

I-Benchtop Yendabuko

Lezi zivame ukuba nkulu futhi zincamela ukuhlala ematafuleni kunokuzulazula. I-benchtop digital scopes izosebenza kahle kakhulu ngokuya ngokusebenza, ngokusobala iza ngezindleko eziphakeme. Ngezici ezifana nokuhlaziywa kwe-FFT spectrum, amadrayivu ediski, i-PC interface, nezinketho zokuphrinta, awukwazi ukukhononda ngempela ngentengo.

aphathwayo

Njengoba igama lihamba, lezi zizongena ezingalweni zakho futhi kulula ukuzithwala njengama-smartphone amaningi. Ama-DSO aphathwayo anezinzuzo ezisobala uma uhlala usohambeni. Nokho, ukunethezeka kuza ngezindleko, njengoba zivamise ukuba nesibonisi esibi nempilo yebhethri emfushane. Abuye abe nenani elincane uma kuqhathaniswa namabhentshi.

Isekelwe ku-PC

Naphezu kokuba yintsha, ama-oscilloscopes asekelwe ku-PC asevele edlula okulingana nawo ebhentshini ngokuduma. Futhi kubukeka sengathi zilapha ukuze zihlale, njengoba ungazisebenzisa ku-PC khona kanye etafuleni lakho. Lokho kusho ukuthi uthola isibonisi esinokucaca okuphezulu, iphrosesa eshesha kakhulu, namadrayivu ediski. Konke lokhu mahhala!

Komkhawulokudonsa

Ukuthola i-scope nge-bandwidth ephakeme ngokuphindwe kahlanu kunobuningi befrikhwensi ofuna ukuyikala kuwumthetho ojwayelekile wesithupha. Isibonelo, khomba idivayisi enomkhawulokudonsa ongu-100MHz uma cishe u-20MHz kuyindawo yakho yokulinganisa. Uma ufaka isignali yomkhawulokudonsa ofanayo njengobubanzi bakho, izobonisa isithombe esincishisiwe nesihlanekezelwe.

Ukulinganisa Isampula

Kuma-DSO, izinga lokusampula licaciswa kumasampuli ama-mega ngesekhondi (MS/s) noma amasampula e-Giga ngesekhondi (GS/s). Lesi silinganiso kufanele okungenani sibe kabili kunomkhawulo ofuna ukuwukala. Kodwa njengoba udinga okungenani amasampula amahlanu ukuze wakhe kabusha i-waveform ngokunembile, qiniseka ukuthi le nombolo iphezulu ngangokunokwenzeka.

Ngaphandle kwalokho, uzothola izilinganiso zesampula ezimbili ezihlukene: isampula yesikhathi sangempela (RTS) kanye nesampula yesikhathi esilinganayo (ETS). Manje, i-ETS isebenza kuphela uma isignali izinzile futhi iphindaphinda futhi mancane amathuba okuthi isebenze uma ingeyesikhashana. Ungakhangwa izinga eliphezulu futhi uhlole ukuthi lisebenza kuwo wonke amasignali noma aphindaphindayo kuphela.

Rise Isikhathi

Onjiniyela abaningi bedijithali bakhetha ukuqhathanisa isikhathi sokukhuphuka kunomkhawulokudonsa. Lapho sishesha isikhathi sokukhuphuka, kulapho kunembe khona imininingwane ebalulekile yoshintsho olusheshayo. Uma kungashiwongo umkhiqizi, ungabala isikhathi sokukhuphuka ngefomula ethi k/bandwidth, lapho u-k ephakathi kuka-0.35 (uma umkhawulokudonsa u-<1GHz).

Ukujula Kwenkumbulo

Ukujula kwenkumbulo yesikophu kulawula ukuthi ingagcina isikhathi esingakanani isignali ngaphambi kokuthi ilahlwe. I-DSO enesilinganiso esiphezulu sesampula kodwa inkumbulo ephansi ingasebenzisa isilinganiso sayo sesampula esigcwele kuzisekelo zesikhathi ezimbalwa eziphezulu kuphela.

Ake sicabange ukuthi i-oscilloscope iyakwazi ukuthatha isampula ku-100 MS/s. Manje, uma inememori ye-buffer engu-1k, izinga lokusampula lizokhawulelwa ku-5 MS/s (1 k / 200 µs) kuphela. Lokho kuba sobala nakakhulu uma usondeza isignali ethile.

Ukulungiswa Nokunemba

Iningi lama-oscilloscopes edijithali namuhla liza nesinqumo esingu-8-bit. Ukuze ubuke amasiginali e-analogi omsindo, wezimoto, noma wokuqapha indawo ezungezile, thola isikophu esinokulungiswa okungu-12-bit noma okungu-16-bit. Nakuba iningi le-8-bit scopes linikeza ukunemba phakathi kwamaphesenti angu-3 kuya kwangu-5, ungakwazi ukufinyelela kumaphesenti angu-1 ngokulungiswa okuphezulu.

Amandla okuqalisa

Izilawuli ze-trigger zisiza ukuzinzisa amagagasi aphindaphindayo kanye nokuthwebula lawo adubule kanye. Ama-DSO amaningi anikeza izinketho ezifanayo zokucupha eziyisisekelo. Ungabheka imisebenzi ethuthuke kakhulu kuye ngohlobo lwamasiginali owakalayo. Okufana nama-pulse triggers kungenzeka abonakale ewusizo kumasignali edijithali.

Ububanzi bokufaka

Uzothola ububanzi obukhethekayo bokufakwa kwesikali esigcwele ukusuka ku-±50 mV ukuya ku-±50 V kububanzi banamuhla. Nokho, qiniseka ukuthi ububanzi bunobubanzi obuncane be-voltage obanele kumasignali ofuna ukuwakala. Ububanzi obunokulungiswa kwamabhithi ayi-12 kuye kwayi-16 kufanele sebenze kahle uma ukala amasiginali amancane (ngaphansi kuka-50 mV).

Izinketho

Ama-probe ajwayelekile avumela ukushintsha phakathi kokungu-1:1 kanye no-10:1. Njalo sebenzisa isethingi engu-10:1 ukuze uvikele ukugcwala kakhulu. Ama-Passive probes ayahleka uma esetshenziselwa amasiginali asheshayo angaphezu kuka-200 MHz. Ama-Active FET probes enza kangcono ngamasignali afana nalawa. Kuma-voltage ezigaba eziphakeme nezingu-3, ​​uphenyo oluhlukanisayo lokuhlukanisa luyisixazululo esilungile.

Iziteshi

Ama-oscilloscopes avamile anamashaneli amane noma ambalwa angase anganeli ukubuka wonke amasignali. Ngakho-ke, ungabheka i-oscilloscope yesignali exubile (MSO). Lokhu kunikeza iziteshi ze-analog ezi-2 kuya kwezi-4 ezineziteshi zedijithali ezifika kweziyi-16 zokulinganisa isikhathi. Ngalokhu, ungakhohlwa nganoma yibaphi abahlaziyi be-logic abahlanganisiwe noma isofthiwe ekhethekile.

Ubude Bokuqopha

Ama-oscilloscopes anamuhla azokuvumela ukuthi ukhethe ubude berekhodi ukuze uthuthukise ileveli yemininingwane. Ungalindela i-oscilloscope eyisisekelo ukuthi igcine amaphoyinti angaphezu kuka-2000, lapho isignali ye-sine-wave ezinzile idinga cishe u-500. Ukuze useshe izinto ezidlulayo ezingavamile njenge-jitter, khetha okungenani isikophu esimaphakathi nesiphetho esinobude berekhodi elide.

Okokuzenzakalela

Qiniseka ukuthi isikophu sihlinzeka ngezinto zezibalo njengezibalo ezimaphakathi kanye ne-RMS kanye nemijikelezo yomsebenzi ukuze uthole imiphumela esheshayo. Ungathola futhi imisebenzi yezibalo ethuthuke kakhulu efana ne-FFT, hlanganisa, hlukanisa, impande eyisikwele, ama-scalar, ngisho neziguquko ezichazwe umsebenzisi kwamanye amamodeli. Uma uzimisele ukusebenzisa, lezi zikufanele ngempela.

Ukuzulazula nokuhlaziya

Zama ukuqinisekisa amathuluzi asebenza kahle kakhulu okuzulazula okusheshayo nokuhlaziya ukulandelelwa okurekhodiwe. Lawa mathuluzi ahlanganisa ukusondeza kumcimbi, ukunweba izindawo, ukumisa kancane, ukusesha nokumaka, nokuningi. Ngaphandle kwalokho, kuzoba lula kuwe ukuthi uchaze imibandela ehlukahlukene efana nezimo zokucupha.

Ukuxhaswa Kwesicelo

Hlola ukuthi ingabe isikophu sisekela izinhlelo zokusebenza ezithuthukile. Isibonelo, izinhlelo zokusebenza ezikunikeza imininingwane ngesiginali yobuqotho, izinkinga ezihlobene, izimbangela, nemiphumela. Ezinye izinhlelo zokusebenza ezifana ne-RF zizokuvumela ukuthi ubuke amasiginali kusizinda samafrikhwensi futhi uhlaziye usebenzisa ama-spectrogram. Kukhona ithani lezinye izinhlelo zokusebenza ezitholakalayo futhi.

Ukuxhumana kanye Nokwandiswa

Cabangela ububanzi obukuvumela ukuthi ufinyelele izinsiza zenethiwekhi zokuphrinta kanye nokwabelana ngamafayela. Bheka izimbobo ze-USB ezijwayelekile noma thayipha izimbobo C ukuze uthole ukudlulisa idatha kalula noma izinjongo zokushaja. Ngamadivaysi aphathwayo noma aphathekayo, qiniseka ukuthi isipele sebhethri sanele futhi singashajwa noma yikuphi.

Ukuphendula

Ukuze kuhlanganiswe izici ezinhle kakhulu, idivayisi kufanele inikeze isixhumi esibonakalayo esilula nesisabelayo. Amaknobho anikelwe wokulungiswa okuvame ukusetshenziswa, izinkinobho ezizenzakalelayo zokusetha ngokushesha, nokusekelwa kolimi ezinye izimfuneko zaleyo njongo.

Ama-oscilloscopes amahle kakhulu abuyekeziwe

Ake singene ekubuyekezweni kwama-oscilloscopes angcono kakhulu atholakalayo ukuze sibone ukuthi iyiphi engafanela izidingo zakho.

I-oscilloscope engcono kakhulu iyonke: Rigol DS1054Z

(buka izithombe eziningi)

I-Rigol DS1054Z inketho yami ephezulu ye-o-scope engingayibheka.

Iwububanzi obuqinile bedijithali obusezingeni eliphansi futhi izici zayo eziningi nokufinyeleleka kwayo kuyenza ilungele ukusetshenziswa ekhaya nezifundiswa.

Imisebenzi yezibalo eyinikezayo ibaluleke kakhulu kubafundi.

Ngomthamo ophelele womkhawulokudonsa ongu-50 MHz, ivumela inani eliphelele lokuthwebula i-waveform elingafika ku-3000 efms/s eliphezulu kudivayisi ekulolu hlu lwamanani.

Umkhawulokudonsa ungathuthukiswa ube ngu-100 MHz uma kudingeka.

Iza namashaneli amane kanye nesibonisi esingu-7-intshi, esinokulungiswa kwamaphikseli angu-800 x 480, sikhulu ngokwanele ukukhombisa zonke iziteshi ezine zihlangene.

Lokhu kuyenza ilungele ukuhlaziya nokuqhathanisa amasignali amaningi ngesikhathi esisodwa.

Inesixhumi se-USB, i-LAN(LXI) (ungaxhuma intambo ye-Ethernet), kanye ne-AUX Output.

Iphinde inikeze irekhodi le-waveform yesikhathi sangempela, ukudlala kabusha, izinga lokusebenza kwe-FFT, kanye nenhlobonhlobo yemisebenzi yezibalo eyenza ibe ngenye yama-oscilloscopes angcono kakhulu abafundi nabathanda ukuzilibazisa.

Isikrini sikhulu futhi siyakhanya futhi sinesethingi yokuqina kwesignali efana nezikophu ze-analog. Izinga lesampula nenkumbulo kuhle ngentengo, futhi umkhawulokudonsa ungathuthukiswa.

Usayizi mkhulu uma uqhathaniswa namanye amayunithi futhi kungakhandla ukuthwala isikhathi eside.

Ikesi lenziwe ngepulasitiki elisindayo, elimelana nokuklwebheka, futhi zonke izinkinobho nokuxhumana kuqinile. Ikhwalithi yokwakha iyonke yale oscilloscope inhle njengaleyo yomkhiqizo obizayo ophezulu. Iza nesitifiketi sokulinganisa.

Izici Ezithakazelisayo

Uma ufuna i-Oscilloscope evumelana nesabelomali, i-DS1054Z ifanelwe ukunakwa kwakho ngokuqinisekile. Ukucaciswa ekunikezayo ngemali mihle kakhulu ukuthi ingaba yiqiniso. Ubuchwepheshe obusha, imisebenzi yokuqalisa enamandla, amakhono okuhlaziya abanzi, uhlu luyaqhubeka nokuqhubeka.

I-Rigol DS1054Z iyi-oscilloscope yedijithali yesitayela somzimba webhentshi enesisindo esingekho ngaphezu kwamakhilogremu angu-6.6. Kodwa-ke, akuwona umzimba owakhiwe kahle oletha konke ukunethezeka. Uzophinda uthole ama-RP2200 ama-double passive probes ngawo ukuze uthole ukusebenzelana okulula komsebenzisi.

Uma kuqhathaniswa nenani lentengo enalo, umkhawulokudonsa ongu-50 MHz eziteshini ezine uyamangalisa ngempela. Le divayisi yezomnotho iphinde inikeze izinga lokuthwebula i-waveform elingafika kuma-waveform angama-30,000 ngomzuzwana. Ijubane elihle, eh? Ngaphezu kwalokho, ifaka isilinganiso sesampula sesikhathi sangempela se-1G Sa/s futhi.

Ngokuqondene nememori yokugcina, uthola inkumbulo engu-12 Mpt efakwe le. Kodwa-ke, inikezela ngoxhumano lwe-USB kanye nokujula kwenkumbulo okungama-24Mpts uma kwenzeka udinga isitoreji esengeziwe. 

Ngaphandle kwalokho, uRigol usebenzise ubuchwepheshe obusha bokubona kwesikrini. Ngenxa yalesi sithuthukisi, isibonisi singabonisa amazinga amaningi wokuqina wamagagasi. Kuphela ngenxa yalokho, ukulungiswa okuphansi kancane kuyathetheleleka. 

Izici

• Komkhawulokudonsa: Inikeza ububanzi be-bandwidth engu-50 MHz, engathuthukiswa ibe ngu-100 MHz
• Iziteshi: Isebenza eziteshini ezine
• Isilinganiso sesampula: Izinga lokuthwebula i-Waveform elingafika ku-3000 efms/s
• Memory: Iza nenkumbulo engu-12Mpts futhi ingathuthukiswa ibe ngu-24 Mpts (ngokuthengwa kwe-MEM-DS1000Z).
• Isixhumi se-USB
• Izinhlobonhlobo zemisebenzi yezibalo, ilungele abafundi
• Isitifiketi Samandla

Bheka izintengo zakamuva lapha

I-oscilloscope ehamba phambili yama-hobbyists: Siglent Technologies SDS1202X-E

(buka izithombe eziningi)

Lona umkhiqizo onothile ngesici onikezwa ngentengo encintisana kakhulu, okuwenza ube yinketho enhle kwabathanda ukuzilibazisa.

I-oscilloscope yedijithali ye-SDS1202X-E iza nohlu lwezici eziwusizo ezivame ukufakwa kusigaba njengezingeziwe ongazikhethela ngabanye abakhiqizi.

Futhi lezi ngokuvamile ziza ngezindleko ezinkulu!

Esinye sezici ezivelele ze-Siglent oscilloscope ukuqoshwa kwayo kwe-waveform yomlando kanye nomsebenzi wokucupha okulandelanayo.

Lesi sici sivumela umsebenzisi ukuthi agcine amagagasi asevele ecushiwe ukuze abuyekezwe futhi ahlaziywe ngesinye isikhathi.

I-SDS1202X-E isebenzisa isizukulwane esisha sobuchwepheshe be-Spo obuhlinzeka ngokuthembeka kwesignali nokusebenza okuhle kakhulu.

Le software ehlakaniphile isho ukuthi awulindi isixhumi esibonakalayo ukuthi sibambe. Umsindo wesistimu nawo uphansi kunemikhiqizo eminingi efanayo.

Le oscilloscope yedijithali inikeza umkhawulokudonsa wokulinganisa ongu-200 MHz, amasampula esikhathi sangempela ngenani elingu-1 GSa/isekhondi futhi ingagcina amaphuzu okulinganisa ayizigidi ezingu-14.

Ihlanganisa zonke izixhumanisi ezijwayelekile ongazilindela: I-serial bus Triggering and Decode, isekela i-IIC, i-SPI, i-UART, i-RS232, i-CAN, ne-LIN.

I-SDS-1202X-E nayo inokuxhumana okunembile, okuyenza isebenziseke kakhulu. Izilinganiso ezenziwa kakhulu zifinyeleleka kalula ngesixhumi esibonakalayo sesikrini esithintwayo.

Ngobubanzi bezinga lokungena, lona umkhiqizo ovelele ohlinzekwa ngentengo enhle kakhulu.

Izici Ezithakazelisayo

Kube khona umsindo wangempela mayelana ne-200MHz SDS1202X-E, njengoba iyinhlanganisela ekahle yezici ezipholile nokukwazi ukuthengeka. Ngenxa yesilinganiso sayo seSango ne-Zoom, ungacacisa isikhawu esinqunyiwe sokuhlaziywa kwedatha ye-waveform. Ngakho-ke, uzobona ukwehla okukhulu kwezinga lephutha elibangelwa inoma iyiphi idatha engaphandle.

Ngaphezu kwalokho, ifaka umsebenzi osuselwe ku-Hardware wokuthatha izinqumo zokungaphumeleli ezingama-40,000 ngomzuzwana. Futhi ingakhiqiza ngokushesha izifanekiso zokuhlola ezichazwe nguwe futhi inikeze ukuqhathanisa kwemaski yokulandelela. Ngakho-ke, uzoyithola ifaneleka ukuqapha isignali yesikhathi eside noma ukuhlola ulayini wokukhiqiza ozenzakalelayo.

Inale phrosesa entsha yezibalo evumela ukuhlaziya kwe-FFT kwamasiginali angenayo ngamasampula afika ku-1M ngefomethi yegagasi ngayinye! Ngakho-ke, uzothola ukulungiswa kwefrikhwensi ephezulu enenani lokuvuselela elisheshayo. Nakuba lokhu kuzonakekela isivinini, ukunemba kuzoqinisekiswa ngesilinganiso samaphuzu angu-14M awo wonke amaphuzu wedatha.

Qagela? Manje usungakwazi ukudlala nemicimbi yakamuva ecushiwe. Ngoba kunomsebenzi womlando osebenzisa inkumbulo ehlukanisiwe ukuze ugcine imicimbi yokuqalisa. Ngaphandle kwalokho, ungathola ukuboniswa okunembile kolwazi lwephrothokholi yebhasi ngefomethi yethebula.

Ungakwazi futhi ukulawula imojuli ye-USB AWG noma uskene i-amplitude kanye nemvamisa yesigaba sedivayisi ezimele engu-SIGLENT. Iseva yayo yewebhu eshumekiwe izokusiza ukuthi uxazulule ukude ngokulawula i-USB WIFI kusuka ekhasini lewebhu elilula. 

Izici

• Komkhawulokudonsa: Itholakala ngezinketho ezingu-100 MHz-200 MHz. Isebenzisa ubuchwepheshe be-Spo obuhlinzeka ngokwethembeka kwesignali okuhle kakhulu nokusebenza
• Iziteshi: Itholakala kuzinketho zesiteshi ezi-2 nezi-4.
• Izinga lesampula: Izinga lesampula lika-1GSa/sec
• Memory: Ifaka umlando wokurekhoda kwe-waveform nomsebenzi wokucupha okulandelanayo
• Ukusebenzelana kakhulu nomsebenzisi
• Umsindo wesistimu ophansi

Bheka izintengo zakamuva lapha

I-oscilloscope ehamba phambili yabaqalayo: Hantek DSO5072P

(buka izithombe eziningi)

Inikeza iziteshi ezimbili kuphela, i-Hantek DSO5072P iyi-o-scope ekahle yabaqalayo abafunda ukusebenzisa idivayisi.

Uma usaqala ngezinto zikagesi, iziteshi ezimbili zingaphezu kokwanele izidingo zakho futhi noma iziphi iziteshi ezengeziwe zizomane zengeze ezindlekweni.

Le oscilloscope iyinketho enhle ngempela koqalayo ngoba inikeza ukusebenzelana okuhle kakhulu komsebenzisi namamenyu anembile. Futhi iyathengeka kakhulu.

Umkhawulokudonsa ongu-70 MHz nokujula kwenkumbulo okungu-12 Mpts kufika ku-24 Mpts kwanele ezinhlelweni eziningi.

Isibonisi esikhulu sombala esingamayintshi angu-7 sinikeza ukubonakala okuphezulu futhi kulula ukusifunda ngisho nalapho kukhanya kwelanga elikhanyayo. Kumakhilogremu angu-4.19 ilula ngendlela emangalisayo futhi kulula ukuyithwala, futhi inokwembozo oyivikela ekuklwebheni nasekulimaleni.

Yize ingakusekeli ukuxhumeka kwenethiwekhi ye-Ethernet noma ye-Wi-Fi, isekela ukuxhumana kwe-USB kokusebenza kwangaphandle usebenzisa Windows 10 I-PC.

Izici zemodi ye-trigger ethuthukisiwe zifaka unqenqema, i-slop, isikhathi esengeziwe, umugqa okhethekayo, nobubanzi be-pulse okwenza idivayisi ifanele zonke izinhlobo zokulingiswa.

Izici

• Komkhawulokudonsa: 200/100/70MHz imingcele yomkhawulokudonsa
• Iziteshi: Iziteshi ezimbili
• Isilinganiso sesampula: Isampula yesikhathi sangempela esingafika ku-1GSa/s
• Memory: 12Mpts kufika ku-24 Mpts
• Isibonisi esihle kakhulu somsebenzisi
• Engazinzi
• Isibonisi sinikeza ukubonakala okuphezulu kuzo zonke izimo zokukhanya
• Ilula kakhulu

Bheka izintengo zakamuva lapha

I-oscilloscope encane ethengeka kakhulu: I-Signstek Nano ARM DS212 Iphathekayo

(buka izithombe eziningi)

Le oscilloscope encane ephathwa ngesandla ilungele ukuhlola ngogesi ohambeni. Iminyene kangangokuthi ingangena kalula ebhandeni lamathuluzi lakho losebenza ngogesi.

I-Signstek Nano isebenziseka kalula futhi isebenzisa amasondo esithupha kuzo zonke izilungiselelo kanye cishe nazo zonke izenzo.

I-USB flash yakhelwe kuyunithi. Kukhona indawo yokugcina engu-8 MB.

Idatha ingagcinwa njengamaphoyinti edatha noma iboniswe njengefayela le-.bmp. Imbobo ye-USB kuyunithi eyokushaja ibhethri noma yokuxhuma kukhompuyutha.

Uhla lwemibhalo lweyunithi luzovela futhi idatha noma izithombe zingadluliselwa kukhompuyutha.

Lesi yi-2-channel digital scope. Ifakwe isibonisi sombala esingu-320*240, i-8M Memory Card (U Disk), namabhethri e-lithium akhokhisekayo.

Ijeneretha yesignali eyakhelwe ngaphakathi yenza amagagasi ayisisekelo kanye nokulungiswa kwemvamisa kanye ne-PPV, izilinganiso zinembile.

Futhi nakuba inikwa amandla amabhethri e-lithium-ion, ahlala isikhathi esingaphezu kwamahora amabili.

Izici

• Komkhawulokudonsa: Umkhawulokudonsa ongu-1MHz
• Iziteshi: Iziteshi ezimbili
• Isilinganiso sesampula: 10MSa/s Max. isilinganiso sesampula
• Memory: Isampula ukujula kwenkumbulo: 8K
• Iphathwa ngesandla, kulula ukuyisebenzisa. Isebenzisa izithupha ezimbili kuzo zonke izilungiselelo.
• I-USB flash yakhelwe kuyunithi
• Imanuwali enemininingwane inikezwa kuwebhusayithi
• Amabhethri ahlala isikhathi esingaphezu kwamahora amabili

Bheka izintengo zakamuva lapha

I-oscilloscope ehamba phambili enezinga eliphezulu lamasampula: YEAPOOK ADS1013D

(buka izithombe eziningi)

I-Oscilloscope yedijithali ye-YEAPOOK ADS1013D inikezela ngezici ezithuthukile, okuhlanganisa izinga eliphezulu lokusampula, ngentengo enengqondo kakhulu.

Ibhethri ye-lithium eyakhelwe ngaphakathi engu-6000mAh iyisici esiwusizo kakhulu kunoma ubani odinga ukusebenzisa i-oscilloscope isikhathi eside.

Ikuvumela ukuthi usebenzise idivayisi kuze kube amahora angu-4 ngokushajwa okukodwa okugcwele.

Inamamodi okuqalisa - okuzenzakalelayo, okujwayelekile, nokukodwa - ukuthwebula amagagasi asheshayo. I-oscilloscope nayo ifakwe imojula yokuvikela amandla kagesi aphezulu ekuvumela ukuthi usebenzise iyunithi kuze kufike ku-400V.

I-oscilloscope ye-Yeapook isebenza ngaphezu kwamashaneli angu-2 futhi inezinga lomkhawulokudonsa we-analog elingu-100 MHz ngesampuli yesikhathi sangempela esingu-1 GSa/s.

Uma kukhulunywa ngesibonisi esibonakalayo, sinesikrini esithintwayo se-LCD esingu-7 intshi esinokulungiswa kwamaphikseli angu-800 x 480, ukuze sibukwe ngendlela ecacile futhi elula.

Le oscilloscope ilula kakhulu futhi iyaphatheka. Inomzimba omncane, ukulinganisa amayintshi angu-7.08 x 4.72 x 1.57 ukuze iphathwe kalula.

Umthamo wokugcina ungu-1 GB okusho ukuthi ugcina izithombe-skrini ezifika ku-1000 namasethi angu-1000 edatha ye-waveform.

Izici

• KomkhawulokudonsaUmkhawulokudonsa we-100MHz
• Iziteshi: Iziteshi ezi-2
• Isilinganiso sesampula: 1 GSa/s isilinganiso samasampula
• Memory: Imemori engu-1 GB
• Ibhethri ye-lithium engu-6000mAh - inikeza ukusetshenziswa okuqhubekayo amahora angu-4 ngokushajwa okukodwa okugcwele
• Idizayini emincane kakhulu futhi engasindi
• Imojula yokuvikela i-voltage yokuphepha

Bheka izintengo zakamuva lapha

I-oscilloscope ehamba phambili ene-FFT: Hantek DSO5102P

(buka izithombe eziningi)

Izici Ezithakazelisayo

Nge-oscilloscope yezinga lokungena, i-Hantek DSO5102P iyidili elihle kakhulu ngenxa yenombolo yezincazelo ezisezingeni eliphezulu elinikezayo. Umkhawulokudonsa ongu-100MHz, isilinganiso sesampula esingu-1GSa/s, nobude bokuqopha obufika ku-40K kumbalwa nje kwezici ezimbalwa ezishukumisa ingqondo.

Umsebenzi ngamunye ongase ucabange ngawo ugcwele ngaphakathi kwalo mkhakha. Okokuqala, inephaneli yangaphambili enezinkinobho ezimbalwa eziwusizo. Ungasebenzisa lokhu kokubili ukuqondanisa okuqondile nokuvundlile, noma ukulungisa isikali.

Ngaphandle kohlu olude lwemisebenzi, ukumisa le divayisi kuwumdlalo wengane impela. Ingasaphathwa eyokuthi izinketho zemenyu zinembile kangakanani. Kungakhathaliseki ukuthi ungumuntu osaqalayo noma uchwepheshe, nakanjani uzowela ekusetshenzisweni kwayo okucishe kube lula.

Ngaphandle kwalokho, izinto ezincane kakhulu eziphathelene nezilinganiso zezakhiwo zesignali zizohlala zingabonakali kuwe. Isibonelo, ungabheka izinto ezifana nefrikhwensi, isikhathi, incazelo, kanye nokuphakama kwevoltheji ephezulu ngokuchofoza okukodwa kwenkinobho. Ngaphandle kwalokho, uzothola izikhombisi zokukala izikhawu zama-voltage nesikhathi esithile.

Ngaphandle kwalokho, ifika ne-1KHz square wave probe yokuhlolwa okusheshayo nokulinganiswa. Awukwazi nje ukufunda iziteshi ezimbili ezahlukene ngesikhathi esisodwa kodwa futhi wenze izibalo ngezimpawu. Konke lokhu, ngaphezu kwalokho, ungasebenzisa i-algorithm ye-Fourier transform (FFT) esheshayo.

Izibhamu

• Iziteshi ezimbili kuphela ezitholakalayo.

Bheka amanani lapha

I-oscilloscope ehamba phambili enejeneretha yesiginali: Hantek 2D72

(buka izithombe eziningi)

Izici Ezithakazelisayo

Njengoba izinsuku zidlula, amadivayisi ajwayelekile esitayela sebhentshi alahlekelwa ukukhanga ngenxa yokungakwazi ukuphatheka. Ikhumbula lokho, u-Hantek usilethela inketho ephathekayo, i-2D72. Okunye esikhuluma ngakho kuningi okwedivayisi enemisebenzi eminingi, ehlanganisa imisebenzi evela kumathuluzi amathathu okuhlola omhlaba wonke.

Sekushiwo lokho, ungasebenzisa lena njenge-oscilloscope engu-70MHz enesivinini esingu-250Msa/s. Kudivayisi eyodwa kwezintathu, lezi zibalo zingaphezu kwalokho obekulindelwe. Ngaphezu kwalokho, uthola umsebenzi wejeneretha ye-waveform ukuze ukhiphe amaza awo wonke umumo oyidingayo.

Ngaphezu kwalokho, idivayisi ingasebenza kahle njenge-multimeter. Izokala ngokuzenzakalelayo i-frequency kanye ne-amplitude yakho ngokunemba impela. Kunomsebenzi wokuzilinganisa futhi okwenza ibukeke ilula kakhulu.

Njengoba uzohamba nayo, i-Hantek yenze isistimu yokushaja yahlakanipha kakhulu. Ungakwazi ukushaja ibhethri le-lithium ngokusebenzisa amandla aphezulu angu-5V/2A noma ngesixhumi esibonakalayo se-USB esivamile. Ngaphandle kwalokho, isixhumi esibonakalayo sohlobo C sikwenza kube lula nakakhulu kukho kokubili ukushaja nokudlulisa idatha.

Izibhamu

• Iziteshi ezimbili kuphela ezitholakalayo.
• Isikrini sincane kakhulu.

Bheka amanani lapha

Imibuzo ebuzwa njalo (ama-FAQ)

Iyiphi imodi okufanele ngiyisebenzise kumasignali anensa kakhulu?

Ungasebenzisa imodi yokugoqa ukuze ubuke isignali enensayo. Kuzosiza idatha ye-waveform ukuthi ivele ngokushesha. Ngakho-ke, ngeke kudingeke ulinde amarekhodi e-waveform agcwele. Isibonelo, kuzomele ulinde imizuzwana eyishumi uma kwenzeka ukushanela kuba nezigaba eziyishumi ubude, nezinga lesekhondi elilodwa esigabeni ngasinye.

Ingabe ukuxhumana okuphansi ku-oscilloscope kuyadingeka?

Yebo, udinga ukugxilisa i-oscilloscope ngezinjongo zokuphepha. I-oscilloscope yakho idinga ukwabelana ngendawo efanayo nanoma iyiphi isekethe ohlola ngayo. Kodwa-ke, ungathola ama-oscilloscopes ngaphandle lapho, lapho ukuxhumana okuhlukile emhlabathini kungadingeki.

Ngingakwazi ukukala i-AC current nge-oscilloscope?

Ngokwethiyori, ungakwazi. Kodwa-ke, ama-oscilloscopes amaningi angakwazi ukukala i-voltage esikhundleni samanje. Kodwa ungakwazi ukukala i-voltage eyehlisiwe ku-shunt resistor ukubala ama-amps. Empeleni kulula kakhulu uma ubamba idivayisi ene-ammeter eyakhelwe ngaphakathi noma i-multimeter.

Ingabe ama-oscilloscopes angakala imisinga?

Iningi lama-oscilloscopes lingakala ngokuqondile i-voltage, hhayi imisinga. Enye indlela yokulinganisa i-AC current nge-oscilloscope ukukala i-voltage eyehliswe ku-shunt resistor.

Ingabe i-oscilloscope ingakala i-voltage ye-dc?

Yebo, kungaba. Iningi lama-oscilloscopes lingakwazi ukukala kokubili ama-ac kanye ne-dc voltages.

Funda futhi okuthunyelwe kwami ​​​​kokubukeza kuma-voltage testers amahle kakhulu

Ingabe i-oscilloscope ingakala i-RMS voltage?

Cha, ngeke. Ingakwazi ukulandelela kuphela ukuphakama kwe-voltage. Kodwa uma ulinganisa ukuphakama kwe-voltage, ungakwazi ukubala inani le-RMS usebenzisa ukuphindaphinda okufanele.

Ingabe i-oscilloscope ingabonisa amaza omsindo?

Ayikwazi ukukhombisa amasiginali womsindo ongahluziwe ngaphandle uma uxhuma umthombo womsindo ngokuqondile kusikophu.

Ngenxa yokuthi izimpawu zomsindo akuzona ezikagesi, kufanele uguqule isignali yomsindo ibe ekagesi usebenzisa imakrofoni kuqala.

Ingabe ama-oscilloscope probe ayashintshana?

Cishe yebo. Kodwa-ke, kufanele uhlole imininingwane bese uqinisekisa ukuthi ama-probe ayahambisana futhi ayafana ngogesi phakathi kobubanzi bombili. Ziyahluka ngezikhathi ezithile.

Uyini umehluko phakathi kwe-frequency kanye ne-bandwidth kuma-oscilloscopes?

I-Frequency isilinganiso sama-oscillation kusekethe. Umkhawulokudonsa inani ledatha edlulisiwe.

Iyini i-trigger lapho ukhuluma ngama-oscilloscopes?

Kwesinye isikhathi kuba nomcimbi wokudutshulwa kanye okwenzeka kusekethe oyihlolayo.

Umsebenzi wokucupha ikuvumela ukuthi uzinzise amagagasi aphindaphindayo noma amagagasi okudubula okukodwa ngokubonisa ngokuphindaphindiwe ingxenye efanayo yesignali.

Lokhu kwenza amagagasi aphindaphindayo abonakale emile (yize engenjalo).

Ukudla okudlela endlini

Manje njengoba usuwazi ama-oscilloscope ahlukene atholakalayo, nezici zawo ezihlukahlukene kanye nezinhlelo zokusebenza, usesimweni esingcono sokukhetha evumelana kangcono nezinjongo zakho.

Ingabe udinga i-oscilloscope elingana nephakethe? Noma into enenani eliphezulu lamasampula? Kukhona ongakhetha ekahle ukuze ivumelane nezidingo zakho kanye ephaketheni lakho.

Funda okulandelayo: Yiziphi Izinhlobo ze-Flux ezisetshenziswa ku-Electronics Soldering?

Ngingu-Joost Nusselder, umsunguli we-Tools Doctor, umakethi wokuqukethwe, kanye nobaba. Ngiyakuthanda ukuzama okokusebenza okusha, futhi kanye nethimba lami ngidale izindatshana zebhulogi ezijulile kusukela ngo-2016 ukuze ngisize abafundi abathembekile ngamathuluzi namathiphu okwenza.