Uyifumana njani eyona oscilloscope [Isikhokelo sabathengi + i-5 ephezulu ihlaziyiwe]

Ukuba ungumntu othanda izinto zombane, injineli yombane, okanye ubandakanyeka kwizinto zombane nangayiphi na indlela, uya kwazi ukuba i-oscilloscope yenye yezo zixhobo ungenakho ukukwazi ukuba nazo.

Ukuba usaqala ukusebenza okanye udlala nge-elektroniki, emva koko uya kufumanisa ukuba i-oscilloscope sisixhobo esibalulekileyo kuloo ndawo.

Ukhetho lwam lolona luhlu lubalaseleyo lujikeleze yonke indawo iRigol DS1054Z Digital Oscilloscope. Esi sisixhobo esityebileyo kwaye kulula ukusisebenzisa esinereyithi yesampulu eyaneleyo, i-triggering, kunye ne-bandwidth. Kuya kuba nzima ukufumana i-oscilloscope yedijithali engcono kakhulu ye-4-channel yexabiso.

Nangona kunjalo, unokukhangela iimpawu ezahlukileyo kancinci, njengokuphatheka okanye iisampulu ephezulu, ke mandikubonise ii-oscilloscopes zam ezi-5 eziphezulu kwiindidi ezahlukeneyo.

Eyona oscilloscopes	imifanekiso
Eyona oscilloscope iyonke: I-Rigol DS1054Z	(jonga imifanekiso emininzi)
Eyona oscilloscope yee-hobbyists: Ubuchwephesha obungabonakaliyo SDS1202X-E	(jonga imifanekiso emininzi)
Eyona oscilloscope yabaqalayo: Hantek DSO5072P	(jonga imifanekiso emininzi)
Eyona oscilloscope encinci ephathekayo efikelelekayo: Signstek Nano ARM DS212 ephathekayo	(jonga imifanekiso emininzi)
Eyona oscilloscope enezinga eliphezulu lesampulu: YEAPOOK ADS1013D	(jonga imifanekiso emininzi)
Eyona oscilloscope eneFFT: Hantek DSO5102P	(jonga imifanekiso emininzi)
Eyona oscilloscope enejenereyitha yomqondiso: Hantek 2D72	(jonga imifanekiso emininzi)

Yintoni i-oscilloscope?

I-oscilloscope sisixhobo esibalulekileyo esisetyenziswa ziinjineli ze-elektroniki esenza ukuba babe nomfanekiso-ngqondweni weempawu zamaza kwisixhobo ukuze baqwalaselwe ngakumbi kunye nokusombulula iingxaki.

I-oscilloscope iyafuneka phantse kuyo yonke ilabhoratri yombane apho i-electronic hardware ivavanywa khona.

Iluncedo kwiinkalo zokufunda ezininzi ezibandakanya uyilo lweRF, uyilo lwesekethe yombane, ukwenziwa kombane, ukusevisa, kunye nokulungiswa kwezixhobo zombane.

I-oscilloscope idla ngokubizwa ngokuba yi-O-scope. Isetyenziselwa ukubeka iliso kwi-oscillations yesekethe, ngoko ke igama.

Ayifani ne I-multimeter yegrafu, iVectorscope, okanye i-logic analyzer.

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Injongo ephambili ye-oscilloscope kukurekhoda umqondiso wombane njengoko uhluka ngokuhamba kwexesha.

Uninzi lwe-oscilloscopes luvelisa igrafu ene-dimensional-dimensional kunye nexesha kwi-x-axis kunye ne-voltage kwi-axis ka-y.

Ulawulo olungaphambili kwisixhobo lukuvumela ukuba ujonge imveliso kwaye uhlengahlengise isikrini kunye nesikali ngokuthe tye nangokome nkqo, sondeza kwisibonisi, gxila kwaye uzinzise isignali.

Yi le Ufunda njani isikrini se-oscilloscope.

Olona hlobo ludala lweoscilloscope, esasetyenziswa kwezinye iilebhu namhlanje, lwaziwa ngokuba i-cathode-ray oscilloscope.

Iioscilloscopes zangoku ngakumbi ziphindaphinda isenzo seCRT sisebenzisa i-LCD (i-liquid crystal display).

Ezona oscilloscopes ezinobugocigoci zisebenzisa iikhomputha ukusetyenzwa nokubonisa iimo zamaza. Ezi khomputha zingasebenzisa naluphi na uhlobo lwesiboniso, kuquka iCRT, LCD, LED, OLED, kunye neplasma yegesi.

Funda ngakumbi malunga nendlela i-oscilloscope esebenza ngayo:

Isikhokelo somthengi: Zeziphi iimpawu onokuzijonga kwi-oscilloscope

Kubalulekile ukuqwalasela ezi zinto zilandelayo xa ukhetha i-oscilloscope yakho.

bandwidth

I-bandwidth kwi-oscilloscope ibhekiselele kwinqanaba eliphezulu le-frequency enokulinganisa.

I-oscilloscopes ye-bandwidth ephantsi inoluhlu lweempendulo ezimfutshane ngokuthelekisayo kunye nezo zine-bandwidth ephezulu.

Ngokutsho "komgaqo wesihlanu", i-bandwidth ye-oscilloscope yakho kufuneka ibe ubuncinane amaxesha amahlanu obuninzi osebenza nabo.

Enye yeendleko ezinkulu zokuqhuba ii-oscilloscopes yi-bandwidth.

I-o-scope ene-bandwidth emxinwa ye-200 MHz inokuya kumakhulu ambalwa eedola, nangona kunjalo, i-oscilloscope ephezulu kunye ne-bandwidth ye-1 GHz inokuhamba phantse i-30,000 yeedola.

Funda indlela yokubala ukuphindaphinda kwi-oscilloscope apha

Inani leendlela

Inani leziteshi kwi-oscilloscope libalulekile.

Ngokwesiko, zonke ii-oscilloscopes ze-analog zisebenza kunye namajelo amabini. Nangona kunjalo, iimodeli ezintsha zedijithali zibonelela ukuya kuthi ga kwiitshaneli ezi-4.

Funda kabanzi Umahluko phakathi kwe-analog kunye ne-oscilloscopes yedijithali apha.

Iitshaneli ezongezelelweyo ziluncedo xa ufuna ukuthelekisa imiqondiso emibini okanye ngaphezulu. Imida emininzi inokufunda ngaphezulu komqondiso omnye ngexesha, iboniswa zonke ngaxeshanye.

Amatshaneli amabini angaphezulu ngokwaneleyo ukuba usaqala nge-elektroniki kwaye naziphi na iitshaneli ezongezelelweyo ziyakongeza kwiindleko zesixhobo.

I sampuli rate

Iisampulu iyimfuneko ukwakha kwakhona umqondiso ngokugqibeleleyo. Ireyithi yesampulu yeoscilloscope ibhekiselele kwinani lemigqaliselo erekhodwe sisixhobo ngesekhondi.

Ngokwendalo, isixhobo esinezinga eliphezulu lesampulu siya kukunika iziphumo ezichanekileyo.

Imemori

Zonke ii-oscilloscopes zinenkumbulo, ezisetyenziselwa ukugcina iisampuli. Xa imemori igcwele, isixhobo siya kuzikhupha ngokwaso nto leyo ethetha ukuba ungaphulukana nedatha.

Kungcono ukhethe iimodeli ezinenkumbulo eninzi, okanye iimodeli ezixhasa ukwandiswa kwememori. Olu phawu luqhelekileyo lwaziwa njengobunzulu benkumbulo.

iintlobo

Ke, ukuba ufuna ngokwenene ukugrumba nzulu kweli candelo, uya kukhubeka kumagama ekusenokwenzeka ukuba awuzange uve ngawo. Nangona kunjalo, injongo yethu apha kukubonelela ngembono elula kwaye ethe ngqo yeentlobo ezisisiseko.

I-Analog Oscilloscopes

Ukukhetha i-analog oscilloscope namhlanje akukho nto ingaphantsi kokungena kuhambo oluya kwixesha elidlulileyo. I-oscilloscope ye-analog ineempawu ezimbalwa, ukuba zikhona, i-DSO ayinako ukuzodlula. Ngaphandle kokuba uhendwa ngokwenene yinkangeleko yabo endala kunye nokuziva kwabo, akufuneki babe kuluhlu olukhethayo.

I-Digital Storage Oscilloscopes (DSO)

Ngokungafaniyo ne-analog, i-DSO igcina kwaye ihlalutya imiqondiso ngokwedijithali. Inzuzo ephambili oyifumanayo kwi-analog kukuba imikhondo egciniweyo iqaqambile, icaciswe kabukhali, kwaye ibhalwe ngokukhawuleza. Ungagcina umkhondo ngokungenasiphelo kwaye kamva uzilayishe kwakhona kwizixhobo zokugcina zangaphandle ngokunjalo. Ungasathethi ke ukuba kulula kangakanani ukuyisebenzisa, ibenza babe phezulu kunezixhobo ze-analog.

Fact Factor

Ngokuxhomekeke kwifom factor, uya kufumana iintlobo ezintathu ezisisiseko zee-DSOs kwimarike namhlanje.

Ibhentshi yesiNtu

Ezi zikholisa ukuba zininzi kwaye zikhetha ukuhlala etafileni kunokuzulazula. Imida yedijithali yeBenchtop iya kwenza okona kulungileyo ngokwemigaqo yokusebenza, ngokucacileyo iza ngexabiso eliphezulu. Ngeempawu ezinje ngohlalutyo lwe-FFT, iidrive zediski, ujongano lwePC, kunye nokhetho lokushicilela, awunakukhalaza ngenene ngexabiso.

Handheld

Njengoko igama lihamba, ezi ziya kungena ezingalweni zakho kwaye kulula ukuzithwala njengee-smartphones ezininzi. Ii-DSO eziphathwayo zineenzuzo ezicacileyo ukuba uhlala usendleleni. Nangona kunjalo, uncedo luza kwiindleko, njengoko zithanda ukuba nesiboniso esibi kunye nobomi obufutshane bebhetri. Kananjalo zinexabiso elincinci xa lithelekiswa nebenchtops.

Isekwe kwi-PC

Ngaphandle kokuba umtsha, ii-oscilloscopes ezisekwe kwi-PC sele zigqithise ukulingana kwazo kwe-benchtop ekuthandeni. Kwaye kubonakala ngathi balapha ukuze bahlale, njengoko unokuzisebenzisa kwiPC kanye kwidesika yakho. Oko kuthetha ukuba ufumana umboniso onesisombululo esiphezulu, iprosesa ekhawulezayo yombane, kunye neediski zokuqhuba. Zonke ezi simahla!

bandwidth

Ukufumana i-scope kunye ne-bandwidth ngokuphindwe kahlanu ngaphezulu kwe-frequency ephezulu ofuna ukuyilinganisa ngumgaqo jikelele wesithupha. Umzekelo, jonga isixhobo esinobubanzi be-100MHz ukuba malunga ne-20MHz yindawo yakho yokulinganisa. Ukuba ufaka isiginali ye-bandwidth efanayo njengobubanzi bakho, iya kubonisa umfanekiso oncitshisiweyo kunye nogqwethiweyo.

I Sampuli yeSampuli

Kwii-DSOs, ireyithi yesampulu ichazwe kwiisampuli ze-mega ngesibini (MS / s) okanye iisampuli zeGiga ngesibini (GS / s). Lo mlinganiselo kufuneka ubuncinci uphinda kabini ubuninzi befrikhwensi ofuna ukuyilinganisa. Kodwa njengoko ufuna ubuncinci iisampulu ezintlanu ukwenza kwakhona i-waveform ngokuchanekileyo, qiniseka ukuba eli nani liphezulu kangangoko.

Ngaphandle koko, uya kufumana iireyithi ezimbini ezahlukeneyo zesampulu: iisampulu yexesha lokwenyani (RTS) kunye nesampulu yexesha elilinganayo (ETS). Ngoku, i-ETS isebenza kuphela ukuba uphawu luzinzile kwaye luphindaphinda kwaye akunakwenzeka ukuba lusebenze ukuba ludlulayo. Musa ukutsalwa lizinga eliphezulu kwaye ujonge ukuba iyasebenza kuyo yonke imiqondiso okanye ephindaphindwayo kuphela.

Ixesha lokunyuka

Uninzi lweenjineli zedijithali zikhetha ukuthelekisa ixesha lokunyuka kwi-bandwidth. Ukukhawuleza kwexesha lokunyuka, ukuchaneka ngakumbi neenkcukacha ezibalulekileyo zokuguquka ngokukhawuleza. Ukuba akuchazwanga ngumenzi, ungabala ixesha lokunyuka kunye ne-formula k / bandwidth, apho i-k iphakathi kwe-0.35 (ukuba i-bandwidth <1GHz).

Ubunzulu benkumbulo

Ubunzulu benkumbulo bomda bulawula ukuba inokugcina ixesha elingakanani isignali phambi kokuba ilahlwe. I-DSO enezinga eliphezulu lesampulu kodwa imemori ephantsi inokusebenzisa ireyithi yesampulu epheleleyo kwiziseko zexesha eliphezulu kuphela.

Makhe sicinge ukuba i-oscilloscope iyakwazi ukwenza isampuli kwi-100 MS/s. Ngoku, ukuba inememori ye-1k yebuffer, ireyithi yesampulu iyakulinganiselwa kwi-5 MS/s (1 k / 200 µs) kuphela. Oko kuya kucaca ngakumbi xa usondeza umqondiso othile.

Isigqibo kunye nokuChaneka

Uninzi lweeoscilloscopes zedijithali kule mihla ziza nesisombululo se-8-bit. Ukuze ujonge iimpawu ze-analog zomsindo, iimoto, okanye ukubeka iliso kokusingqongileyo, yiya kumda one-12-bit okanye i-16-bit isisombululo. Ngelixa uninzi lwe-8-bit scopes inika ukuchaneka phakathi kwe-3 ukuya kwi-5 yepesenti, ungafikelela kwipesenti enye ngesisombululo esiphezulu.

Ukuxhobisa izakhono

Ulawulo lwe-trigger luza luncedo ekuzinziseni iifomati zamaza eziphinda-phindayo kunye nokubamba ezo zidutyulwe kanye. Uninzi lwee-DSOs zibonelela ngeendlela ezininzi ezifanayo zokuqalisa. Ungajonga imisebenzi ephezulu ngokuxhomekeke kuhlobo lwemiqondiso oyilinganisayo. Ezinje nge-pulse triggers zinokubonakala ziluncedo kwiisignali zedijithali.

Uluhlu lokungenayo

Uya kufumana uluhlu olukhethiweyo lwegalelo elipheleleyo ukusuka kwi-±50 mV ukuya kwi-±50 V kwimida yanamhlanje. Nangona kunjalo, qiniseka ukuba umda unoluhlu oluncinci olwaneleyo lombane kwiimpawu ofuna ukuzilinganisa. Umda onesisombululo se-12 ukuya kwi-16 bits kufuneka wenze ngokufanelekileyo ukuba ulinganisa iisignali ezincinci (ngaphantsi kwe-50 mV).

Iindlela

Iiprobe eziqhelekileyo zivumela ukutshintsha phakathi kwe-1:1 kunye ne-10:1 yokunciphisa. Ngalo lonke ixesha sebenzisa i-10:1 isethingi yokukhusela umthwalo ogqithisileyo. I-Passive probes yintsini xa isetyenziselwa imiqondiso ekhawulezayo ngaphezulu kwe-200 MHz. Iiprobe zeFET ezisebenzayo ziqhuba ngcono ngemiqondiso efana nale. Kwinqanaba eliphezulu kunye ne-3 ye-voltage ye-voltage, i-probe yokwahlulahlulahlula sisisombululo esisiso.

Iziteshi

Ii-oscilloscopes eziqhelekileyo ezinetshaneli ezine okanye ezimbalwa zisenokunganeli ukujonga yonke imiqondiso. Ke ngoko, unokukhangela i-oscilloscope yesignali edibeneyo (MSO). Ezi zibonelela ngeetshaneli ze-analog ezi-2 ukuya kwezi-4 ukuya kuthi ga kwiitshaneli zedijithali ezili-16 zexesha lokuqiqa. Ngalezi, unokulibala malunga naluphi na uhlalutyi lwengqiqo oludibeneyo okanye isoftware ekhethekileyo.

Rekhoda ubude

Ii-oscilloscopes zanamhlanje ziyakuvumela ukuba ukhethe ubude berekhodi ukulungiselela inqanaba leenkcukacha. Ungalindela i-oscilloscope esisiseko ukugcina ngaphezulu kwamanqaku angama-2000, apho isignali ye-sine-wave ezinzileyo idinga malunga ne-500. Ukukhangela izinto ezidlulayo ezingaqhelekanga njengejita, khetha ubuncinci umda ophakathi kunye nobude berekhodi elide.

Oomatshini abazihambelayo

Qinisekisa ukuba umda ubonelela ngezinto zemathematika njengezibalo kunye ne-RMS kunye nomjikelezo womsebenzi weziphumo ezikhawulezayo. Unokufumana imisebenzi yezibalo ephucukileyo efana neFFT, dibanisa, yahlula, ingcambu, isikali, kunye nezinto eziguquguqukayo ezichazwe ngumsebenzisi kwezinye iimodeli. Ukuba uzimisele ukuchitha, ezi ngokuqinisekileyo zifanelekile.

Ukukhangela kunye noHlalutyo

Zama ukuqinisekisa izixhobo ezisebenza kakhulu zokukhangela ngokukhawuleza kunye nohlalutyo lwemikhondo erekhodiweyo. Ezi zixhobo zibandakanya ukusondeza kwisiganeko, ukusondeza iindawo, ukunqumamisa ukudlala, ukukhangela kunye nokuphawula, kunye nokunye. Ngaphandle koko, kuya kuba lula kuwe ukuba uchaze iindlela ezahlukeneyo ezifana neemeko zokuqalisa.

Inkxaso yesicelo

Khangela ukuba umda uyaluxhasa usetyenziso oluphambili. Umzekelo, ii-apps ezikunika ukuqonda kwimfezeko yomqondiso, iingxaki ezinxulumene, oonobangela, kunye neziphumo. Ezinye ii-aplikeshini ezifana ne-RF ziya kukuvumela ukuba ujonge iimpawu kwi-domain frequency kwaye uhlalutye usebenzisa iispectrogram. Kukho itoni yezinye izicelo ezikhoyo.

Uqhagamshelwano kunye noKwandiswa

Cinga ngomda okuvumela ukuba ufikelele kushicilelo lwenethiwekhi kunye nezibonelelo zokwabelana ngefayile. Jonga izibuko ze-USB zehlabathi jikelele okanye uchwetheze amazibuko e-C ukuze udlulise ulwazi olulula okanye iinjongo zokutshaja. Kwizixhobo eziphathwayo okanye eziphathwayo, qiniseka ukuba i-backup yebhetri ifanelekile kwaye ingahlawuliswa naphi na.

Ukuphendula

Ukulungelelaniswa okuhle kakhulu kweempawu, isixhobo kufuneka sinikeze ujongano olufanelekileyo noluphendulayo. Amaqhosha anikezelweyo ohlengahlengiso olusetyenziswa rhoqo, amaqhosha angagqibekanga okuseta ngoko nangoko, kunye nenkxaso yolwimi zezinye iimfuno zaloo njongo.

Eyona oscilloscopes ijongiwe

Masingene kuphononongo lwezona oscilloscopes zibalaseleyo ezikhoyo ukuze sibone ukuba yeyiphi enokuthi ilungele iimfuno zakho.

Eyona oscilloscope iyonke: Rigol DS1054Z

(jonga imifanekiso emininzi)

I-Rigol DS1054Z lukhetho lwam oluphezulu lwe-o-scope ukujonga.

Ngumda wedijithali oqinileyo onesiphelo esisezantsi kwaye uninzi lweempawu zayo kunye nokufikeleleka kuyenza ilungele ukusetyenziswa ekhaya kunye nabafundi.

Imisebenzi yemathematika enikezela ngayo ixabiseke kakhulu kubafundi.

Ngomthamo opheleleyo we-bandwidth ye-50 MHz, ivumela ireyithi yokubamba i-waveform iyonke ukuya kuthi ga kwi-3000 efms / s ephezulu kwisixhobo kolu luhlu lwamaxabiso.

I-bandwidth inokuphuculwa ukuya kwi-100 MHz ukuba iyafuneka.

Iza kunye namajelo amane kunye nomboniso we-intshi ezi-7, kunye nesisombululo se-800 x 480 pixels, inkulu ngokwaneleyo ukubonisa zonke iitshaneli ezine kunye.

Oku kuyenza ilungele ukuhlalutya kunye nokuthelekisa imiqondiso emininzi ngexesha elinye.

Inonxibelelwano lwe-USB, i-LAN(LXI) (ungaqhagamshela intambo ye-Ethernet), kunye ne-AUX Output.

Ikwabonelela ngerekhodi le-waveform yexesha lokwenyani, i-replay, umgangatho wokusebenza kweFFT, kunye neentlobo zemisebenzi yemathematika eyenza ibe yenye yezona oscilloscopes zibalaseleyo zabafundi kunye nee-hobbyists.

Isikrini sikhulu kwaye sigqamile kwaye sibonakalisa ukusetwa koxinzelelo lwesignali efana ne-analog scopes. Ireyithi yesampuli kunye nememori ilungile kwixabiso, kwaye i-bandwidth inokuphuculwa.

Ubungakanani bukhulu kakhulu xa buthelekiswa nezinye iiyunithi kwaye kunokudinwa ukujikeleza ixesha elide.

Ityala lenziwe ngeplastiki enzima, enganyangekiyo, kwaye onke amaqhosha kunye noqhagamshelo luqinile. Umgangatho wokwakha xa uwonke wale oscilloscope ulungile njengalowo wexabiso eliphezulu lohlobo oluphezulu. Iza nesatifikethi sokulinganisa.

Imiba enika umdla

Ukuba ujonge i-Oscilloscope elungele uhlahlo lwabiwo-mali, i-DS1054Z ifanelwe ingqalelo yakho ngokuqinisekileyo. Iinkcukacha ezinikezelayo ngemali zintle kakhulu ukuba zibe yinyaniso. Ubuchwephesha obutsha, imisebenzi yokuqalisa enamandla, amandla okuhlalutya okubanzi, uluhlu luyaqhubeka kwaye luqhubeke.

I-Rigol DS1054Z yi-benchtop body style oscilloscope yedijithali enobunzima obungekho ngaphezulu kwe-6.6 yeeponti. Nangona kunjalo, ayingomzimba owakhiwe kakuhle ozisa yonke into elula. Uya kufumana ezimbini ze-RP2200 iiprobes eziphindwe kabini kunye nayo kujongano lomsebenzisi olulula ngakumbi.

Xa kuthelekiswa nethegi yexabiso enayo, i-bandwidth ye-50 MHz kuzo zonke iitshaneli ezine iyamangalisa ngokwenene. Esi sixhobo sezoqoqosho sikwabonelela ngesantya sokubanjwa kwamaza ukuya kuthi ga kwi-30,000 yamaza ngomzuzwana. Ukhawuleza kakhulu, eh? Ngaphezulu koko, ifaka ireyithi yesampula yexesha langempela ye-1G Sa / s ngokunjalo.

Ngokuphathelele kwimemori yokugcina, ufumana imemori ye-12 Mpt exhotyiswe ngaphambili nale. Nangona kunjalo, ikwabonelela ngoqhagamshelo lwe-USB kunye nobunzulu bememori obungama-24Mpts xa ufuna ugcino olongezelelweyo. 

Ngaphandle koko, uRigol uphumeze itekhnoloji entsha ye-ultra-vision yesikrini. Enkosi kolu lwandiso, isiboniso sinokubonisa amanqanaba okuqina okuphindaphindiweyo kweefomati zamaza. Kuphela ngenxa yoko, isisombululo esisezantsi kancinci siyathetheleleka. 

Iimbonakalo

• bandwidth: Inikezela nge-50 MHz uluhlu lwebhanwidth, olunokuphuculwa ukuya kwi-100 MHz
• Iziteshi: Isebenza ngaphezulu kwamajelo amane
• I sampuli rate: Izinga lokubanjwa kwe-Waveform ukuya kuthi ga kwi-3000 efms/s
• Imemori: Iza kunye nememori ye-12Mpts kwaye iphuculwe kwi-24 Mpts (ngokuthengwa kwe-MEM-DS1000Z).
• Isixhumi se USB
• Ukwahluka kwemisebenzi yemathematika, igqibelele kubafundi
• Isatifikethi sokuLungisa

Jonga amaxabiso akutshanje apha

Eyona oscilloscope yeyona hobbyists: Siglent Technologies SDS1202X-E

(jonga imifanekiso emininzi)

Lo ngumkhiqizo otyebileyo obonelelwa ngexabiso elikhuphisanayo kakhulu, nto leyo eyenza ukuba ibe lukhetho olukhulu kubantu abathanda ukuzilibazisa.

I-oscilloscope yedijithali ye-SDS1202X-E iza noluhlu lweempawu eziluncedo ezihlala zihlelwa njengezongezo ezikhethwa ngabanye abavelisi.

Kwaye ezi zidla ngokuza ngexabiso elikhulu!

Olunye lweempawu ezibalaseleyo ze-Siglent oscilloscope yimbali yayo yokurekhoda i-waveform kunye nomsebenzi wokucupha ngokulandelelana.

Eli nqaku livumela umsebenzisi ukuba agcine iifom zamaza esele ziqalisiwe ukuze zijongwe kwaye zihlalutywe ngelinye ixesha.

I-SDS1202X-E isebenzisa isizukulwana esitsha sobuchwepheshe be-Spo esinika ukuthembeka komqondiso obalaseleyo kunye nokusebenza.

Le software etyibilikayo ithetha ukuba awuze ulinde ujongano ukubamba. Ingxolo yenkqubo ikwangaphantsi kuneemveliso ezininzi ezifanayo.

Le oscilloscope yedijithali inikezela nge-200 MHz i-bandwidth yokulinganisa, isampuli yexesha langempela kwireyithi ye-1 GSa / sec kwaye inokugcina i-14 yezigidi zemilinganiselo yokulinganisa.

Ibandakanya zonke iindlela zojongano ezisemgangathweni onokuthi ulindele: I-Serial bus Triggering kunye ne-Decode, ixhasa i-IIC, i-SPI, i-UART, i-RS232, i-CAN, kunye ne-LIN.

I-SDS-1202X-E nayo inojongano olubonakalayo, iyenza isebenziseke kakhulu. Imilinganiselo eyenziwa rhoqo ifikeleleka ngokulula ngojongano lwescreen esichukumisayo.

Kwinqanaba lokungena, le yimveliso ebalaseleyo enikezelwa ngexabiso elincomekayo.

Imiba enika umdla

Kubekho i-buzz yokwenyani malunga ne-200MHz SDS1202X-E, njengoko iyi-combo efanelekileyo yeempawu ezipholileyo kunye nokufikeleleka. Ngenxa yomlinganiso weSango kunye ne-Zoom, unokucacisa isithuba esingenasizathu sohlalutyo lwedatha ye-waveform. Ke ngoko, uya kuqaphela ukwehla okukhulu kwireyithi yempazamo ebangelwa yiyo nayiphi na idatha engaphandle.

Ngaphaya koko, ifaka umsebenzi osekwe kwihardware yokuthatha ukuya kuthi ga kwi-40,000 yezigqibo zokupasa ngomzuzwana. Kwaye inokuvelisa ngokukhawuleza iitemplates zovavanyo ezichazwe nguwe kwaye ibonelele ngokuthelekisa imaski. Ke ngoko, uya kuyifumana ifanelekile ukujonga umqondiso wexesha elide okanye ukuvavanya umgca wemveliso ozenzekelayo.

Inale processor entsha yezibalo evumela uhlalutyo lweFFT lweempawu ezingenayo ukuya kuthi ga kwi-1M yeesampulu kwifomu yamaza! Ke, uya kufumana isisombululo se-frequency ephezulu enesantya sokuhlaziya esikhawulezayo. Ngelixa oku kuya kunyamekela isantya, ukuchaneka kuya kuqinisekiswa ngumlinganiselo we-14M wamanqaku azo zonke iinkcukacha zedatha.

Qikelela ukuba? Ngoku ungadlala kwakhona iziganeko ezivuselelweyo zamva nje. Kuba kukho umsebenzi wembali osebenzisa imemori ecandiweyo ukugcina iziganeko zokuqalisa. Ngaphandle koko, ungafumana umboniso ocacileyo wolwazi lweprotocol yebhasi kwifomathi yetheyibhuli.

Ungakwazi kwakhona ukulawula imodyuli ye-USB AWG okanye uhlolisise i-amplitude kunye nesigaba-frequency yesixhobo esizimeleyo SIGLENT. Iseva yewebhu efakwe kuyo iya kukunceda uxazulule ukude ngokulawula i-USB WIFI kwiphepha lewebhu elilula. 

Iimbonakalo

• bandwidth: Ifumaneka kwiinketho ze-100 MHz-200 MHz. Isebenzisa itekhnoloji yeSpo ebonelela ngokuthembeka komqondiso ogqwesileyo kunye nokusebenza
• Iziteshi: Ifumaneka kwi-2 kunye ne-4 iinketho zetshaneli.
• Umgangatho wesampulu: Ireyithi yesampula ye-1GSa / sec
• Imemori: Ifaka imbali yokurekhoda kwe-waveform kunye nomsebenzi wokuqalisa ngokulandelelana
• Unobungane kakhulu
• Ingxolo yenkqubo ephantsi

Jonga amaxabiso akutshanje apha

Eyona oscilloscope yabaqalayo: Hantek DSO5072P

(jonga imifanekiso emininzi)

Ukubonelela ngeetshaneli ezimbini kuphela, iHantek DSO5072P yeyona ndawo ifanelekileyo ye-o-scope yabaqalayo abafunda ukusebenzisa isixhobo.

Ukuba usaqala nge-electronics, amajelo amabini angaphezulu kokwanela iimfuno zakho kwaye nawaphi na amajelo ongezelelweyo aya kongeza kwiindleko.

Le oscilloscope lolona khetho lulungileyo kumntu oqalayo kuba ibonelela ngojongano lomsebenzisi olugqwesileyo kunye neemenyu ezinengqondo. Ikwafikeleleka kakhulu.

I-bandwidth ye-70 MHz kunye nobunzulu bememori ye-12 Mpts ukuya kwi-24 Mpts ifanelekile kwizicelo ezininzi.

Umboniso omkhulu wombala we-7-intshi unika ukubonakala okuphezulu kwaye kulula ukufunda nakwilanga elikhanyayo. Kwi-4.19 pounds ilula ngokumangalisayo kwaye kulula ukuyiphatha, kwaye ine-coating eyikhusela kwimikrwelo kunye nomonakalo.

Ngelixa ayixhasi i-Ethernet okanye uqhagamshelo lwenethiwekhi ye-Wi-Fi, iyaluxhasa uqhagamshelo lwe-USB kwimisebenzi yangaphandle usebenzisa Windows 10 PC.

Iimpawu eziphambili zemowudi yokuqalisa ziquka i-edge, i-slop, ixesha elongezelelweyo, umgca okhethiweyo, kunye nobubanzi be-pulse eyenza isixhobo silungele zonke iintlobo zokulinganisa.

Iimbonakalo

• bandwidth: 200/100/70MHz i-bandwidths
• Iziteshi: Iitshaneli ezimbini
• I sampuli rate: Isampulu yexesha langempela ukuya kuthi ga kwi-1GSa/s
• Imemori: 12Mpts ukuya kuthi ga kwi-24 Mpts
• Umsebenzisi ogqwesileyo
• Ezingenakunciphisa
• Umboniso unikeza ukubonakala okuphezulu kuzo zonke iimeko zokukhanya
• Ilula kakhulu

Jonga amaxabiso akutshanje apha

Eyona oscilloscope encinci efikelelekayo: Signstek Nano ARM DS212 ephathekayo

(jonga imifanekiso emininzi)

Le oscilloscope incinci iphathwa ngesandla ifanelekile kuvavanyo lwe-elektroniki lokuhamba. Ixinene kangangokuba inokungena lula kwibhanti yesixhobo sakho sombane.

I-Signstek Nano kulula ukuyisebenzisa kwaye isebenzisa i-thumbwheels ezimbini kuzo zonke izicwangciso kunye phantse zonke izenzo.

Isibane se-USB sakhiwe kwiyunithi. Kukho indawo yokugcina eyi-8 MB.

Idatha inokugcinwa njengamanqaku edatha okanye iboniswe njengefayile ye-bmp. Izibuko le-USB kwiyunithi lelokutshaja ibhetri okanye ukuqhagamshela kwikhompyuter.

Uluhlu lweyunithi luya kubonakala kwaye idatha okanye imifanekiso inokukhutshelwa kwikhompyuter.

Lo ngumda wedijithali wamatshaneli ama-2. Ixhotyiswe ngomboniso we-320 * 240 wombala, i-8M Memory Card (U Disk), kunye neebhetri ze-lithium ezihlawuliswayo.

Ijeneretha yesignali eyakhelwe-ngaphakathi yenza iifom zamaza ezisisiseko kunye nohlengahlengiso lwe-frequency kunye ne-PPV, imilinganiselo ichanekile.

Kwaye nangona inikwe amandla ziibhetri ze-lithium-ion, zihlala ixesha elide leeyure ezimbini.

Iimbonakalo

• bandwidth: 1MHz ububanzi
• Iziteshi: Iitshaneli ezimbini
• I sampuli rate: 10MSa/s Max. izinga lesampula
• Imemori: Ubunzulu bememori yesampula: 8K
• Ukubamba ngesandla, kulula ukusebenza. Isebenzisa oobhontsi ababini kuzo zonke iisetingi.
• Isibane se-USB sakhiwe kwiyunithi
• Incwadana yemigaqo eneenkcukacha inikwe kwiziko lewebhu
• Iibhetri zihlala ubuninzi beeyure ezimbini

Jonga amaxabiso akutshanje apha

Eyona oscilloscope enezinga eliphezulu lesampulu: YEAPOOK ADS1013D

(jonga imifanekiso emininzi)

I-YEAPOOK ADS1013D ephathwayo yedijithali i-oscilloscope ibonelela ngoluhlu lweempawu eziphucukileyo, kubandakanywa nezinga eliphezulu lokuthatha iisampulu, ngexabiso elifanelekileyo kakhulu.

Ibhetri ye-lithium eyakhelwe-ngaphakathi ye-6000mAh luphawu oluluncedo ngakumbi kuye nabani na ofuna ukusebenzisa i-oscilloscope ixesha elide.

Ikuvumela ukuba usebenzise isixhobo ukuya kuthi ga kwiiyure ezi-4 ngentlawulo enye epheleleyo.

Ineendlela zokuqalisa - i-auto, eqhelekileyo, kunye neyodwa - ukubamba iifom zamaza ngoko nangoko. I-oscilloscope nayo ixhotyiswe ngemodyuli yokukhusela i-voltage ephezulu evumela ukuba usebenzise iyunithi ukuya kwi-400V.

I-oscilloscope ye-Yeapook isebenza ngaphezu kweetshaneli ezi-2 kwaye inezinga le-analog bandwidth ye-100 MHz kunye nesampulu yexesha langempela ye-1 GSa / s.

Xa kuziwa kwi-interface yokubonisa, ibonisa i-screen ye-LCD ye-7-intshi kunye nesisombululo se-800 x 480 pixels, ukujonga ngokucacileyo kunye nokulula.

Le oscilloscope ilula kakhulu kwaye iyaphatheka. Inomzimba omncinci, inomlinganiselo we-7.08 x 4.72 x 1.57 intshi yokuphatha lula.

Umthamo wokugcina yi-1 GB oku kuthetha ukuba ugcina ukuya kuthi ga kwi-1000 yesikrini kunye ne-1000 yedatha ye-waveform data.

Iimbonakalo

• bandwidth: 100 MHz bandwidth
• Iziteshi: Imijelo emi-2
• I sampuli rate: 1 GSa/s ireyithi yesampulu
• Imemori: Imemori ye-1 GB
• I-6000mAh ibhetri ye-lithium - inikezela ngokusetyenziswa okuqhubekayo kwiiyure ze-4 kwintlawulo enye epheleleyo
• Uyilo oluncinci kakhulu kwaye lukhaphukhaphu
• Imodyuli yokukhusela umbane wokhuseleko

Jonga amaxabiso akutshanje apha

Eyona oscilloscope eneFFT: Hantek DSO5102P

(jonga imifanekiso emininzi)

Imiba enika umdla

Kwinqanaba lokungena le-oscilloscope, iHantek DSO5102P sisivumelwano esilungileyo enkosi kwinani lee-specs zokugqibela ezinikezelayo. I-bandwidth ye-100MHz, isampuli yesampuli ye-1GSa / s, kunye nobude bokurekhoda ukuya kwi-40K zimbalwa zezinto ezibangela ingqondo.

Umsebenzi ngamnye onokucinga ngawo upakishwe kulo mda. Ukuqala, inepaneli yangaphambili enamaqhosha amaninzi aluncedo. Unokusebenzisa ezi zombini ulungelelwaniso oluthe nkqo kunye oluthe tye, okanye ulungelelwaniso lwesikali.

Ngaphandle koluhlu olude lwemisebenzi, ukuseta esi sixhobo ngumdlalo wabantwana. Singasathethi ke ukuba zilula kangakanani iinketho zemenyu. Nokuba ungumqali okanye uyingcali, kuya kufuneka uwele kujongano lomsebenzisi oluphantse lube luncedo.

Ngaphandle koko, eyona miba mincinci malunga nemilinganiselo yepropathi yomqondiso iya kuhlala ingekho emehlweni akho. Umzekelo, unokujonga izinto ezinje ngokuphindaphindiweyo, ixesha, intsingiselo, kunye nencopho yokufumana amandla ombane ngokucofa kanye iqhosha. Ngaphandle koko, uya kufumana izikhombisi zokulinganisa amaxesha ombane kunye nexesha elithile.

Ngaphandle koko, iza ne-1KHz ye-square wave probe yovavanyo olukhawulezayo kunye nokulinganisa. Awunakufunda kuphela amajelo amabini ahlukeneyo ngexesha elinye kodwa wenze izibalo ngemiqondiso. Konke oku, ngaphezu koko, unokusebenzisa ialgorithm ekhawulezayo yeFourier transform (FFT).

ngenye into

• Zimbini kuphela iindlela ezikhoyo.

Jonga amaxabiso apha

Eyona oscilloscope enejenereyitha yomqondiso: Hantek 2D72

(jonga imifanekiso emininzi)

Imiba enika umdla

Njengoko iintsuku zihamba, izixhobo eziqhelekileyo zesitayile sebhentshi ziphulukana nomtsalane ngenxa yokungaphatheki kwazo. Ukugcina oko engqondweni, uHantek usizisela ukhetho oluphathekayo, i-2D72. Enye sithetha ngayo sisixhobo esisetyenziselwa izinto ezininzi, esibandakanya imisebenzi evela kwizixhobo ezintathu zovavanyo lwendalo yonke.

Xa sele kuthethiwe, ungasebenzisa le njenge oscilloscope 70MHz ngesantya 250Msa/s. Kwisixhobo sesithathu-kwisinye, la manani angaphezulu kunokuba bekulindelwe. Ngaphezulu koko, ufumana umsebenzi wokuvelisa i-waveform ukuze ukhuphe amaza alo lonke uhlobo olufunekayo.

Ngapha koko, isixhobo sinokusebenza kakuhle njenge-multimeter. Iya kulinganisa i-frequency kunye ne-amplitude yakho ngokuzenzekelayo ngokuchaneka. Kukho umsebenzi wokuzilinganisa ngokwawo owenza ukuba ujongeke ngaphandle komgudu.

Ukusukela ukuba uza kuyiphatha, uHantek wenze inkqubo yokutshaja yakrelekrele kakhulu. Ungahlawulisa ibhetri ye-lithium nokuba yi-5V/2A ephezulu okanye ujongano oluqhelekileyo lwe-USB. Ngaphandle koko, ujongano lodidi lwe-C luyenza ibe lula ngakumbi ukutshaja kunye nokudluliselwa kwedatha.

ngenye into

• Zimbini kuphela iindlela ezikhoyo.
• Isikrini sincinci kakhulu.

Jonga amaxabiso apha

Imibuzo ebuzwa rhoqo (ii-FAQ)

Yeyiphi indlela ekufuneka ndiyisebenzise kwiimpawu ezicotha kakhulu?

Unokusebenzisa imowudi yokuRola ukujonga isiginali ecothayo. Kuya kunceda idatha ye-waveform ukuba ibonakale kwangoko. Ke ngoko, akuyi kufuneka ulinde iirekhodi ezigcweleyo zamaza. Umzekelo, kuya kufuneka ulinde imizuzwana elishumi ukuba utshayela lunexesha elide, kunye nesantya sesekondi enye kwisahlulo ngasinye.

Ngaba unxibelelwano lomhlaba kwi-oscilloscope luyimfuneko?

Ewe, kufuneka wenze i-oscilloscope ngeenjongo zokhuseleko. I-oscilloscope yakho idinga ukwabelana nomhlaba ofanayo nayo nayiphi na isekethe ovavanya ngayo. Nangona kunjalo, unokufumana ezinye ii-oscilloscopes phaya, apho uqhagamshelo olwahlukileyo emhlabeni aluyomfuneko.

Ngaba ndingalinganisa i-AC yangoku nge-oscilloscope?

Ngokwethiyori, unako. Nangona kunjalo, ii-oscilloscopes ezininzi zinokulinganisa i-voltage kuphela endaweni yangoku. Kodwa unokulinganisa i-voltage eyehlisiwe kwi-shunt resistor ukubala i-amps. Ngokwenene kulula kakhulu ukuba ubambe isixhobo esine-ammeter eyakhelweyo ngaphakathi okanye i-multimeter.

Ngaba ii-oscilloscopes zinokulinganisa imisinga?

Uninzi lweoscilloscopes lunokulinganisa ngokuthe ngqo umbane, hayi imisinga. Enye indlela yokulinganisa i-AC yangoku nge-oscilloscope kukulinganisa amandla ombane awehliswe kwi-shunt resistor.

Ngaba i-oscilloscope inokulinganisa amandla ombane e-dc?

Ewe, inako. Uninzi lwee-oscilloscopes lunokulinganisa zombini ii-voltages ze-ac kunye ne-dc.

Funda kwakhona Iposti yam yophononongo kwezona zivavanyi zibalaseleyo zombane

Ngaba i-oscilloscope inokulinganisa amandla ombane e-RMS?

Hayi, ayinakwenzeka. Inokulandelela kuphela incopho yombane. Kodwa nje ukuba ulinganise incopho yombane, ungabala ixabiso le-RMS usebenzisa ukuphindaphinda okufanelekileyo.

Ngaba i-oscilloscope ingabonisa amaza esandi?

Ayinakubonisa imiqondiso yesandi ekrwada ngaphandle kokuba uqhagamshela umthombo wesandi ngokuthe ngqo kububanzi.

Ngenxa yokuba imiqondiso yesandi ingengombane, kufuneka uguqule isignali yesandi ibe ngumbane usebenzisa imakrofoni kuqala.

Ngaba i-oscilloscope probes iyatshintsheka?

Ngokunokwenzeka ewe. Nangona kunjalo, kufuneka ujonge iinkcukacha kwaye uqinisekise ukuba iiprobes ziyahambelana kwaye ziyafana ngombane phakathi kwemida yomibini. Ziyahluka ngamaxesha athile.

Yintoni umahluko phakathi kwe-frequency kunye ne-bandwidth kwi-oscilloscopes?

Ukuphindaphinda kumlinganiselo we-oscillations kwisekethe. Ububanzi bubungakanani bedatha egqithiselweyo.

Yintoni i-trigger xa uthetha ngee-oscilloscopes?

Ngamanye amaxesha kukho isiganeko sokudubula esinye esenzeka kwisekethe oyivavanyayo.

Umsebenzi wokuqalisa ikuvumela ukuba uzinzise iifomati zamaza eziphindaphindayo okanye iifomati zokudubula okukodwa ngokubonisa ngokuphindaphindiweyo inxalenye efanayo yomqondiso.

Oku kwenza iifom zamaza eziphindaphindayo zibonakale zimile (nangona zingenjalo).

Yise kude

Ngoku uyazi iioscilloscopes ezahlukeneyo ezikhoyo, kunye neempawu zazo ezahlukeneyo kunye nezicelo, ukwimeko engcono yokukhetha eyona ilungele iinjongo zakho.

Ngaba ufuna i-oscilloscope elingana nepokotho? Okanye into enezinga eliphezulu lesampulu? Kukho ukhetho olufanelekileyo oluhambelana neemfuno zakho kunye nepokotho yakho.

Funda ngokulandelayo: Zeziphi iintlobo zeFlux ezisetyenziswa kwiSoldering yoMbane?

NdinguJoost Nusselder, umseki weZixhobo zeGqirha, umthengisi womxholo, kunye notata. Ndiyathanda ukuzama izixhobo ezitsha, kwaye kunye neqela lam ndiye ndenza amanqaku ebhlog anzulu ukusukela ngo-2016 ukunceda abafundi abathembekileyo ngezixhobo kunye neengcebiso zokwenza.