Yog tias koj yog tus nyiam siv hluav taws xob, tus kws tshaj lij hluav taws xob, lossis koom nrog hauv hluav taws xob hauv txhua txoj kev, koj yuav paub tias oscilloscope yog ib qho ntawm cov khoom siv uas koj tsis tuaj yeem them tsis tau.
Yog tias koj nyuam qhuav pib ua haujlwm lossis ua si nrog cov khoom siv hluav taws xob, tom qab ntawd koj yuav pom sai sai tias oscilloscope yog ib qho khoom siv tseem ceeb hauv thaj chaw ntawd.
Kuv qhov kev xaiv rau qhov zoo tshaj plaws nyob ib puag ncig yog Rigol DS1054Z Digital Oscilloscope. Qhov no yog cov cuab yeej muaj txiaj ntsig zoo thiab siv tau yooj yim nrog ntau tshaj qhov tsim nyog tus nqi, ua rau, thiab bandwidth. Nws yuav nyuaj rau nrhiav tau zoo dua 4-channel digital oscilloscope rau tus nqi.
Txawm li cas los xij, tej zaum koj yuav tab tom nrhiav rau cov yam ntxwv sib txawv me ntsis, xws li kev txav mus los lossis tus qauv siab dua, yog li cia kuv qhia koj li 5 qhov zoo tshaj plaws oscilloscopes nyob rau hauv cais pawg.
| Qhov zoo tshaj plaws oscilloscopes | dluab |
| Qhov zoo tshaj plaws oscilloscope tag nrho: Rigol DS 1054 Z | 
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| Qhov zoo tshaj plaws oscilloscope rau hobbyists: Siglen Technologies SDS1202X-E | 
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| Qhov zoo tshaj plaws oscilloscope rau beginners: Hantek DSO 5072 P | 
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| Feem ntau pheej yig portable mini oscilloscope: Signstek Nano ARM DS212 Portable | 
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| Qhov zoo tshaj plaws oscilloscope nrog cov qauv ntsuas siab: YEAPOOK ADS 1013D | 
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| Qhov zoo tshaj plaws oscilloscope nrog FFT: Hantek DSO 5102 P |  (saib ntau cov duab) |
| Qhov zoo tshaj plaws oscilloscope nrog teeb liab generator: Hantek 2D72 |  (saib ntau cov duab) |
Hauv kab ntawv no peb yuav npog:
- Dab tsi yog oscilloscope?
- Tus neeg yuav khoom phau ntawv qhia: Dab tsi nta los nrhiav hauv oscilloscope
- Qhov zoo tshaj plaws oscilloscopes tshuaj xyuas
- Qhov zoo tshaj plaws oscilloscope: Rigol DS1054Z
- Qhov zoo tshaj plaws oscilloscope rau hobbyists: Siglent Technologies SDS1202X-E
- Qhov zoo tshaj plaws oscilloscope rau beginners: Hantek DSO5072P
- Tus nqi pheej yig tshaj mini oscilloscope: Signstek Nano ARM DS212 Portable
- Qhov zoo tshaj plaws oscilloscope nrog cov piv txwv siab: YEAPOOK ADS1013D
- Zoo tshaj oscilloscope nrog FFT: Hantek DSO5102P
- Zoo tshaj oscilloscope nrog teeb liab generator: Hantek 2D72
- Cov lus tibneeg nug (FAQs)
- Kuv yuav siv hom twg rau cov teeb liab qeeb heev?
- Puas yog kev sib txuas hauv av rau oscilloscope yuav tsum?
- Kuv puas tuaj yeem ntsuas AC tam sim no nrog oscilloscope?
- Oscilloscopes puas tuaj yeem ntsuas qhov tam sim no?
- Oscilloscope puas tuaj yeem ntsuas qhov dc voltage?
- Ib qho oscilloscope puas tuaj yeem ntsuas RMS voltage?
- Ib qho oscilloscope puas tuaj yeem tso cov suab nthwv dej?
- Puas yog oscilloscope probes hloov pauv tau?
- Dab tsi yog qhov txawv ntawm zaus thiab bandwidth hauv oscilloscopes?
- Dab tsi yog qhov tshwm sim thaum tham txog oscilloscopes?
- Takeaway
Dab tsi yog oscilloscope?
Ib qho oscilloscope yog ib qho cuab yeej tseem ceeb siv los ntawm cov kws tsim hluav taws xob hluav taws xob uas ua rau lawv pom cov teeb liab waveform ntawm lub cuab yeej rau kev soj ntsuam ntxiv thiab daws teeb meem.
Ib qho oscilloscope yog xav tau nyob rau hauv yuav luag txhua lub chaw kuaj hluav taws xob uas siv hluav taws xob kho vajtse raug sim.
Nws muaj txiaj ntsig zoo hauv ntau yam kev kawm suav nrog RF tsim, tsim hluav taws xob hauv hluav taws xob, tsim hluav taws xob, kev pabcuam, thiab kho cov khoom siv hluav taws xob.
Lub oscilloscope feem ntau hu ua O-scope. Nws yog siv los saib xyuas lub oscillations ntawm ib lub voj voog, yog li lub npe.
Nws tsis yog tib yam li ib tug graphing multimeter, ib vectorscope, los yog ib tug logic analyzer.
Lub hom phiaj tseem ceeb ntawm oscilloscope yog sau cov teeb liab hluav taws xob vim nws txawv raws sijhawm.
Feem ntau oscilloscopes tsim ib daim duab ob-dimensional nrog lub sijhawm ntawm x-axis thiab voltage ntawm y-axis.
Cov kev tswj nyob rau hauv pem hauv ntej ntawm lub cuab yeej tso cai rau koj mus saib cov zis thiab kho qhov screen thiab teev ob kab rov tav thiab ntsug, zoom nyob rau hauv cov zaub, tsom thiab stabilize lub teeb liab.
Qhov no yog Yuav ua li cas koj nyeem qhov screen ntawm oscilloscope.
Hom oscilloscope qub tshaj plaws, tseem siv hauv qee qhov chaw kuaj hnub no, yog hu ua cathode-ray oscilloscope.
Ntau niaj hnub oscilloscopes electronically replicate qhov kev txiav txim ntawm CRT siv LCD (kua siv lead ua kua).
Qhov zoo tshaj plaws oscilloscopes siv cov khoos phis tawj los ua cov txheej txheem thiab tso saib waveforms. Cov khoos phis tawj no tuaj yeem siv txhua hom zaub, suav nrog CRT, LCD, LED, OLED, thiab roj ntshav.
Kawm ntxiv txog yuav ua li cas oscilloscope ua haujlwm:
Tus neeg yuav khoom phau ntawv qhia: Dab tsi nta los nrhiav hauv oscilloscope
Nws yog ib qho tseem ceeb uas yuav tau xav txog cov hauv qab no thaum xaiv koj oscilloscope.
bandwidth
Lub bandwidth ntawm lub oscilloscope hais txog qhov siab tshaj plaws ntawm cov zaus nws tuaj yeem ntsuas.
Qhov qis bandwidth oscilloscopes muaj qhov sib piv luv dua zaus teb ntau piv rau cov uas muaj bandwidth siab.
Raws li "txoj cai ntawm tsib", bandwidth ntawm koj oscilloscope yuav tsum yog tsawg kawg tsib zaug ntawm qhov ntau zaus koj ua haujlwm nrog.
Ib qho ntawm cov nqi tsav tsheb loj tshaj plaws rau oscilloscopes yog bandwidth.
Ib qho o-scope uas muaj qhov nqaim bandwidth ntawm 200 MHz tuaj yeem mus rau ob peb puas duas las, txawm li cas los xij, ib qho oscilloscope saum toj kawg nkaus nrog lub bandwidth ntawm 1 GHz tuaj yeem mus rau yuav luag $ 30,000.
Kawm yuav ua li cas xam cov zaus ntawm oscilloscope ntawm no
Tus naj npawb ntawm cov channel
Tus naj npawb ntawm cov channel ntawm oscilloscope yog qhov tseem ceeb.
Kev lig kev cai, tag nrho-analog oscilloscopes ua haujlwm nrog ob txoj kev. Txawm li cas los xij, cov qauv digital tshiab muaj txog li 4 channels.
Xav paub ntau ntxiv txog Qhov sib txawv ntawm analog thiab digital oscilloscopes ntawm no.
Cov channel ntxiv muaj txiaj ntsig zoo thaum koj xav tau los sib piv ob lossis ntau lub cim. Ntau qhov ntsuas tuaj yeem nyeem ntau dua ib lub teeb liab ntawm ib lub sijhawm, tso saib tag nrho lawv ib txhij.
Ob txoj kev muaj ntau tshaj li qhov txaus yog tias koj nyuam qhuav pib nrog cov khoom siv hluav taws xob thiab ib qho kev sib txuas ntxiv yuav tsuas ntxiv rau tus nqi ntawm cov cuab yeej.
zauv tus nqi
Sampling yog tsim nyog los tsim kho lub teeb liab zoo kawg nkaus. Tus nqi piv txwv ntawm oscilloscope yog hais txog tus naj npawb ntawm cov kev soj ntsuam kaw los ntawm lub cuab yeej ib ob.
Lawm, ib lub cuab yeej nrog tus nqi piv txwv siab dua yuav muab koj cov txiaj ntsig raug dua.
Memory
Txhua oscilloscopes muaj lub cim xeeb, siv los khaws cov qauv. Thaum lub cim xeeb puv, lub cuab yeej yuav khoob nws tus kheej uas txhais tau tias koj tuaj yeem poob cov ntaub ntawv.
Nws yog qhov zoo tshaj plaws los xaiv cov qauv nrog ntau lub cim xeeb, lossis cov qauv uas txhawb kev nco txuas ntxiv. Qhov no feem ntau hu ua kev nco qhov tob.
hom
Yog li, yog tias koj xav nkag mus tob rau hauv ntu no, koj yuav dawm cov lus uas koj tsis tau hnov dua. Txawm li cas los xij, peb lub hom phiaj ntawm no yog muab rau koj nrog kev nkag siab yooj yim thiab ncaj nraim ntawm cov hom yooj yim.
Analog Oscilloscopes
Xaiv ib qho analog oscilloscope hnub no tsis muaj dab tsi tsawg dua li kev taug kev mus rau yav dhau los. Ib qho analog oscilloscope muaj ob peb, yog tias muaj, nta uas DSO tsis tuaj yeem dhau. Tshwj tsis yog tias koj raug ntxias tiag tiag los ntawm lawv qhov zoo qub thiab zoo, lawv yuav tsum tsis txhob nyob hauv koj daim ntawv teev npe.
Kev Cia Cov Oscilloscopes (DSO)
Tsis zoo li analog, DSO khw muag khoom thiab tshuaj xyuas cov cim digitally. Qhov txiaj ntsig tseem ceeb uas koj tau txais dhau los ntawm analog yog tias cov cim khaws cia yog qhov kaj, txhais tau meej, thiab sau nrawm heev. Koj tuaj yeem khaws cov cim tseg tsis tu ncua thiab tom qab ntawd rov rub lawv los ntawm cov khoom cia sab nraud thiab. Tsis txhob hais tias lawv yooj yim npaum li cas los siv, ua rau lawv zoo dua rau cov khoom siv analog.
Daim ntawv tshaj
Nyob ntawm daim ntawv foos, koj yuav pom peb hom ntawm DSOs hauv kev ua lag luam niaj hnub no.
Tsob Ntoo Tsob Ntoo
Cov no feem ntau yog bulkier thiab nyiam nyob ntawm cov rooj es tsis mus ncig. Benchtop digital scopes yuav ua tau zoo tshaj plaws ntawm kev ua tau zoo, pom tseeb los ntawm tus nqi siab dua. Nrog cov yam ntxwv zoo li FFT spectrum tsom xam, disk drives, PC interfaces, thiab kev xaiv luam ntawv, koj tsis tuaj yeem yws txog tus nqi.
handheld
Raws li lub npe mus, cov no yuav haum rau hauv koj txhais tes thiab yooj yim nqa ncig zoo li feem ntau cov smartphones. Handheld DSOs muaj cov txiaj ntsig pom tseeb yog tias koj ib txwm ua haujlwm. Txawm li cas los xij, qhov yooj yim los ntawm tus nqi, raws li lawv nyiam muaj cov zaub tsis zoo thiab lub roj teeb luv luv. Lawv kuj yog me ntsis pricey piv rau benchtops.
PC-raws li
Txawm hais tias yog tus neeg tuaj tshiab, PC-raws li oscilloscopes twb tau ua tiav lawv cov khoom sib npaug hauv qhov chaw. Thiab nws zoo li lawv nyob ntawm no kom nyob, raws li koj tuaj yeem siv lawv ntawm PC ntawm koj lub rooj. Qhov ntawd txhais tau hais tias koj tau txais cov duab daws teeb meem siab, lub teeb ci-ceev processor, thiab disk drives. Tag nrho cov no dawb!
bandwidth
Tau txais ib qho kev nthuav dav nrog bandwidth tsib zaug siab dua qhov ntau zaus koj xav ntsuas yog txoj cai dav dav ntawm tus ntiv tes xoo. Piv txwv li, tsom rau ib lub cuab yeej nrog bandwidth ntawm 100MHz yog tias nyob ib ncig ntawm 20MHz yog koj qhov ntsuas. Yog tias koj nkag mus rau ib lub teeb liab ntawm tib lub bandwidth raws li koj qhov peev txheej, nws yuav tso saib cov duab tsis zoo thiab distorted.
Tus Qauv Ntsuas
Rau DSOs, tus nqi piv txwv yog teev nyob rau hauv cov qauv mega ib ob (MS/s) lossis Giga cov qauv ib ob (GS/s). Tus nqi no yuav tsum yog tsawg kawg ob zaug ntawm qhov ntau zaus koj xav ntsuas. Tab sis raws li koj xav tau tsawg kawg tsib tus qauv los tsim kho lub waveform kom raug, xyuas kom tus lej no siab npaum li qhov ua tau.
Tsis tas li ntawd, koj yuav tau txais ob qhov piv txwv sib txawv: kev ntsuas lub sij hawm (RTS) thiab qhov sib npaug-siv sij hawm (ETS). Tam sim no, ETS tsuas yog ua haujlwm yog tias lub teeb liab ruaj khov thiab rov ua dua thiab tsis zoo li yuav ua haujlwm yog tias nws yog ib ntus. Tsis txhob tau txais kev nyiam los ntawm tus nqi siab thiab xyuas seb nws puas siv tau rau txhua lub cim lossis rov ua dua tshiab nkaus xwb.
Lub sijhawm sawv
Feem ntau cov kws tshaj lij digital nyiam sib piv lub sijhawm nce siab dua bandwidth. Lub sijhawm nce nrawm dua, qhov tseeb yog cov ntsiab lus tseem ceeb ntawm kev hloov pauv ceev. Yog tias tsis tau teev los ntawm cov chaw tsim khoom, koj tuaj yeem suav lub sijhawm nce nrog cov qauv k / bandwidth, qhov twg k nyob nruab nrab ntawm 0.35 (yog tias bandwidth < 1GHz).
Nco Qhov tob
Lub cim xeeb qhov tob ntawm qhov kev tswj xyuas ntev npaum li cas nws tuaj yeem khaws lub teeb liab ua ntej nws yuav tsum muab pov tseg. DSO nrog tus qauv siab tab sis tsis nco qab tuaj yeem siv nws cov qauv tag nrho ntawm ob peb lub sijhawm-piv saum toj nkaus xwb.
Cia peb xav tias oscilloscope muaj peev xwm ua piv txwv ntawm 100 MS / s. Tam sim no, yog tias nws muaj 1k tsis nco, tus nqi piv txwv yuav raug txwv rau 5 MS / s (1 k / 200 µs) nkaus xwb. Qhov ntawd ua kom pom tseeb dua thaum koj zoom rau ntawm ib qho teeb meem tshwj xeeb.
Kev daws teeb meem thiab raug
Feem ntau cov oscilloscopes niaj hnub no tuaj nrog 8-ntsis daws teeb meem. Txhawm rau saib cov cim analog rau lub suab, tsheb, lossis kev saib xyuas ib puag ncig, mus rau qhov kev daws teeb meem nrog 12-ntsis lossis 16-ntsis daws teeb meem. Txawm hais tias feem ntau 8-ntsis scopes muab qhov tseeb ntawm 3 mus rau 5 feem pua, koj tuaj yeem ua tiav txog li 1 feem pua ntawm cov kev daws teeb meem siab dua.
Triggering peev xwm
Cov kev tswj xyuas tuaj yeem ua ke rau kev ruaj khov ntawm qhov rov ua dua waveforms thiab ntes cov txhaj tshuaj ib zaug. Feem ntau DSOs muaj ntau yam zoo tib yam kev xaiv pib. Koj tuaj yeem nrhiav kev ua haujlwm siab dua nyob ntawm seb hom teeb liab koj ntsuas. Xws li pulse triggers yuav ua pov thawj muaj txiaj ntsig zoo rau cov teeb liab digital.
Cov tswv yim ntau
Koj yuav tau txais kev xaiv tag nrho ntawm cov khoom siv los ntawm ± 50 mV txog ± 50 V nyob rau niaj hnub no. Txawm li cas los xij, xyuas kom meej tias qhov ntsuas muaj qhov tsawg txaus voltage ntau rau cov cim koj xav ntsuas. Ib qho kev daws teeb meem ntawm 12 txog 16 cov khoom yuav tsum ua tau zoo yog tias koj feem ntau ntsuas cov cim me me (tsawg dua 50 mV).
Kev soj ntsuam
Cov kev sojntsuam raug tso cai hloov ntawm 1: 1 thiab 10: 1 attenuation. Ib txwm siv 10: 1 teeb tsa rau kev tiv thaiv overload. Passive probes yog luag thaum siv rau cov teeb liab ceev tshaj 200 MHz. Active FET probes ua tau zoo dua nrog cov teeb liab zoo li no. Rau siab thiab 3 theem voltages, ib qho kev sojntsuam sib txawv yog qhov kev daws teeb meem zoo.
raws
Cov pa oscilloscopes nrog plaub lossis tsawg dua channel yuav tsis txaus los saib tag nrho cov teeb liab. Yog li, koj tuaj yeem nrhiav qhov sib xyaw-cim oscilloscope (MSO). Cov no muab 2 mus rau 4 analog channels nrog txog 16 digital channels rau lub sijhawm logic. Nrog rau cov no, koj tuaj yeem hnov qab txog ib qho kev sib koom ua ke logic analyzers lossis software tshwj xeeb.
Sau Ntev
Niaj hnub no oscilloscopes yuav tso cai rau koj xaiv cov ntaub ntawv ntev rau optimizing cov ntsiab lus. Koj tuaj yeem cia siab tias yuav muaj qhov yooj yim oscilloscope khaws cia ntau dua 2000 cov ntsiab lus, qhov chaw ruaj khov sine-wave teeb liab xav tau nyob ib ncig ntawm 500. Txhawm rau tshawb nrhiav qhov tsis tshua muaj tshwm sim xws li jitter, xaiv yam tsawg kawg ntawm qhov nruab nrab-kawg nrog cov ntaub ntawv ntev.
Kev Hloov Tsheb
Xyuas kom meej tias qhov muaj peev xwm muab cov lej lej xws li txhais tau tias thiab RMS suav thiab lub luag haujlwm mus rau cov txiaj ntsig tam sim. Koj tuaj yeem pom ntau qhov kev ua lej zoo tshaj plaws xws li FFT, kev sib koom ua ke, sib txawv, lub hauv paus square, scalars, thiab txawm tias tus neeg siv kev hloov pauv hauv qee cov qauv. Yog tias koj txaus siab siv, cov no yeej tsim nyog nws.
Navigation thiab tsom xam
Sim kom paub meej tias cov cuab yeej siv tau zoo heev rau kev ceev ceev thiab kev tshuaj xyuas cov kab uas tau sau tseg. Cov cuab yeej no suav nrog kev nthuav dav hauv ib qho kev tshwm sim, panning thaj chaw, ua si-pause, tshawb nrhiav thiab cim, thiab lwm yam. Tsis tas li ntawd, nws yuav yooj yim rau koj los txheeb xyuas ntau yam uas zoo ib yam li cov xwm txheej tshwm sim.
Thov Txhawb Nqa
Xyuas seb qhov kev txhawb nqa cov ntawv thov siab heev. Piv txwv li, cov apps uas muab kev nkag siab rau koj txog kev ncaj ncees, teeb meem cuam tshuam, ua rau, thiab cuam tshuam. Lwm daim ntawv thov xws li RF yuav tso cai rau koj los saib cov teeb liab hauv qhov zaus thiab txheeb xyuas siv spectrograms. Muaj ib tuj ntawm lwm daim ntawv thov muaj thiab.
Kev sib txuas thiab kev nthuav dav
Xav txog qhov uas tso cai rau koj nkag mus rau lub network luam ntawv thiab cov ntaub ntawv sib koom. Nrhiav universal USB ports los yog hom C ports kom yooj yim cov ntaub ntawv hloov los yog them lub hom phiaj. Rau cov khoom siv tes los yog cov khoom siv nqa tau, xyuas kom cov roj teeb thaub qab txaus thiab tuaj yeem them los ntawm txhua qhov chaw.
Kev Haus Cawv
Rau kev sib koom tes zoo tshaj plaws ntawm cov yam ntxwv, cov cuab yeej yuav tsum muaj qhov yooj yim thiab ua haujlwm zoo. Dedicated knobs rau nquag siv kev hloov kho, default khawm rau kev teeb tsa tam sim, thiab kev txhawb nqa lus yog qee qhov yuav tsum tau ua rau lub hom phiaj ntawd.
Qhov zoo tshaj plaws oscilloscopes tshuaj xyuas
Cia peb dhia dej mus rau hauv kev tshuaj xyuas ntawm qhov zoo tshaj plaws oscilloscopes muaj los saib seb qhov twg yuav haum koj cov kev xav tau.
Qhov zoo tshaj plaws oscilloscope: Rigol DS1054Z
Rigol DS1054Z yog kuv qhov kev xaiv sab saum toj ntawm o-scope saib.
Nws yog ib qho khoom siv qis-kawg digital Scope thiab nws ntau yam ntxwv thiab kev pheej yig ua rau nws zoo tagnrho rau kev siv hauv tsev thiab cov kws tshawb fawb.
Cov kev ua lej uas nws muaj muaj nuj nqis rau cov tub ntxhais kawm.
Nrog rau tag nrho bandwidth muaj peev xwm ntawm 50 MHz, nws tso cai rau tag nrho cov waveform capture tus nqi txog li 3000 efms / s uas yog siab rau ib tug ntaus ntawv nyob rau hauv cov nqi no.
Lub bandwidth tuaj yeem hloov kho mus rau 100 MHz yog tias xav tau.
Nws los nrog plaub kab thiab 7-nti zaub, nrog rau kev daws teeb meem ntawm 800 x 480 pixels, yog qhov loj txaus los qhia tag nrho plaub txoj kev ua ke.
Qhov no ua rau nws zoo tagnrho rau kev txheeb xyuas thiab sib piv ntau lub cim nyob rau tib lub sijhawm.
Nws muaj USB connector, LAN (LXI) (koj tuaj yeem txuas Ethernet cable), thiab AUX Output.
Nws kuj muaj cov ntaub ntawv waveform real-time, replay, FFT tus qauv ua haujlwm, thiab ntau yam kev ua lej uas ua rau nws yog ib qho zoo tshaj plaws oscilloscopes rau cov tub ntxhais kawm thiab cov neeg nyiam ua haujlwm.
Lub vijtsam loj thiab ci ntsa iab thiab nta lub teeb liab siv qhov teeb tsa zoo ib yam li cov qauv analog. Tus qauv tus nqi thiab kev nco yog qhov zoo rau tus nqi, thiab bandwidth tuaj yeem hloov kho.
Qhov loj me yog qhov loj dua piv rau qee qhov lwm chav nyob thiab nws tuaj yeem ua rau nkees nqa mus rau ib puag ncig ntev.
Cov ntaub ntawv no yog ua los ntawm cov khoom hnyav, khawb-resistant yas, thiab tag nrho cov nyees khawm thiab kev sib txuas yog ruaj khov. Lub zuag qhia tag nrho tsim zoo ntawm no oscilloscope zoo li cov khoom kim tshaj plaws. Los nrog daim ntawv pov thawj calibration.
Yam ntxim nyiam
Yog tias koj tab tom nrhiav rau Oscilloscope tus phooj ywg nyiaj txiag, DS1054Z tsim nyog koj mloog kom paub meej. Cov kev qhia tshwj xeeb uas nws muab rau cov nyiaj yog qhov zoo dhau los ua qhov tseeb. Cov thev naus laus zis tshiab, muaj peev xwm ua rau muaj zog, muaj peev xwm txheeb xyuas dav, cov npe mus rau thiab mus.
Rigol DS1054Z yog lub rooj zaum lub cev style digital oscilloscope uas hnyav tsis tshaj 6.6 phaus. Txawm li cas los xij, nws tsis yog lub cev tsim tau zoo uas coj tau txhua yam yooj yim. Koj tseem yuav tau txais ob ntawm RP2200 ob qhov kev sojntsuam passive nrog rau nws kom yooj yim rau cov neeg siv interface.
Piv nrog rau tus nqi tag nws muaj, bandwidth ntawm 50 MHz thoob plaws plaub txoj kev yog qhov zoo heev. Cov cuab yeej siv nyiaj txiag no tseem muaj qhov ntsuas waveform txog li 30,000 waveforms ib ob. Zoo nkauj nrawm, eh? Nyob rau sab saum toj ntawm qhov ntawd, nws muaj cov qauv qauv ntawm lub sijhawm tiag tiag ntawm 1G Sa / s ib yam.
Raws li kev cia nco, koj tau txais 12 Mpt nco ua ntej nruab nrog qhov no. Txawm li cas los xij, nws kuj tseem muaj USB kev sib txuas thiab kev xaiv 24Mpts nco qhov tob yog tias koj xav tau kev khaws cia ntxiv.
Tsis tas li ntawd, Rigol tau siv cov thev naus laus zis thev naus laus zis tshiab rau lub vijtsam. Ua tsaug rau qhov kev txhim kho no, cov zaub tuaj yeem pom ntau theem ntawm kev siv waveforms. Tsuas yog vim li ntawd, qhov kev daws teeb meem qis me ntsis dhau los ua qhov tseeb.
nta
- bandwidth: Muab 50 MHz bandwidth ntau yam, uas tuaj yeem hloov kho mus rau 100 MHz
- raws: Ua haujlwm dhau plaub channel
- zauv tus nqi: Waveform capture tus nqi txog li 3000 efms/s
- Memory: Nws los nrog lub cim xeeb ntawm 12Mpts thiab hloov kho mus rau 24 Mpts (nrog kev yuav ntawm MEM-DS1000Z).
- USB connector
- Ntau yam kev ua lej, zoo meej rau cov tub ntxhais kawm
- Calibration daim ntawv pov thawj
Txheeb xyuas tus nqi kawg ntawm no
Qhov zoo tshaj plaws oscilloscope rau hobbyists: Siglent Technologies SDS1202X-E
Qhov no yog cov khoom lag luam nplua nuj muaj nyob rau ntawm tus nqi sib tw heev, ua rau nws yog qhov kev xaiv zoo rau cov neeg nyiam nyiam.
SDS1202X-E digital oscilloscope los nrog ntau yam muaj txiaj ntsig zoo uas feem ntau tau muab cais ua kev xaiv ntxiv los ntawm lwm cov tuam txhab.
Thiab cov no feem ntau tuaj ntawm tus nqi heev!
Ib qho ntawm cov yam ntxwv zoo tshaj plaws ntawm Siglen oscilloscope yog nws cov keeb kwm waveform kaw thiab ua ntu zus ua haujlwm.
Cov yam ntxwv no tso cai rau tus neeg siv khaws cov ntaub ntawv uas twb muaj lawm rau kev tshuaj xyuas thiab tshuaj xyuas lwm lub sijhawm.
SDS1202X-E ntiav ib tiam tshiab ntawm Spo thev naus laus zis uas muab cov teeb liab zoo tshaj plaws thiab kev ua tau zoo.
Qhov no slick software txhais tau hais tias koj yeej tsis tos rau lub interface kom ntes tau. Lub kaw lus suab nrov kuj tseem qis dua ntau yam khoom zoo sib xws.
Qhov no digital oscilloscope muaj 200 MHz ntsuas bandwidth, kev ntsuas lub sijhawm ntawm tus nqi ntawm 1 GSa / sec thiab tuaj yeem khaws 14 lab cov ntsiab lus ntsuas.
Nws suav nrog tag nrho cov qauv kev sib txuas uas koj xav tau: Standard serial bus Triggering thiab Decode, txhawb IIC, SPI, UART, RS232, CAN, thiab LIN.
SDS-1202X-E kuj muaj qhov kev nkag siab yooj yim, ua rau nws siv tau zoo heev. Cov kev ntsuas uas tau ua feem ntau yog yooj yim nkag tau los ntawm lawv cov touchscreen interface.
Rau qhov nkag-theem Scope, qhov no yog ib qho khoom lag luam zoo tshaj plaws ntawm tus nqi zoo.
Yam ntxim nyiam
Muaj qee qhov buzz tiag tiag txog 200MHz SDS1202X-E, vim nws yog qhov zoo tshaj plaws combo ntawm cov yam ntxwv txias thiab pheej yig. Vim nws lub rooj vag thiab Zoom ntsuas, koj tuaj yeem hais qhia ib ntus ntawm cov ntaub ntawv waveform tsom xam. Li no, koj yuav pom qhov txo qis ntawm qhov yuam kev tshwm sim los ntawm cov ntaub ntawv extraneous.
Tsis tas li ntawd, nws muaj cov khoom siv kho vajtse raws li kev ua haujlwm txog li 40,000 qhov kev txiav txim tsis dhau ib pliag. Thiab nws tuaj yeem tsim cov qauv ntsuas sai uas tau teev tseg los ntawm koj thiab muab cov kab npog ntsej muag sib piv. Yog li ntawd, koj yuav pom tias nws tsim nyog rau kev soj ntsuam lub teeb liab mus sij hawm ntev lossis sim cov kab ntau lawm.
Nws muaj tus txheej txheem lej tshiab no uas tso cai rau FFT tsom xam ntawm cov khoom xa tuaj nrog txog li 1M cov qauv rau ib lub waveform! Yog li, koj yuav tau txais kev daws teeb meem siab nrog qhov nrawm nrawm dua. Thaum qhov no yuav saib xyuas qhov nrawm, qhov tseeb yuav raug lees paub los ntawm 14M taw tes ntsuas ntawm tag nrho cov ntaub ntawv cov ntsiab lus.
Kwv yees li cas? Tam sim no koj muaj peev xwm playback qhov tseeb triggered txheej xwm thiab. Vim tias muaj keeb kwm ua haujlwm uas siv segmented nco los khaws cov xwm txheej tshwm sim. Tsis tas li ntawd, koj tuaj yeem tau txais qhov kev nkag siab zoo ntawm cov ntaub ntawv tsheb npav raws tu qauv hauv hom ntawv tabular.
Koj tuaj yeem tswj tau USB AWG module lossis luam theej duab lub amplitude thiab theem-zaus ntawm ib qho khoom siv ywj pheej SIGLENT. Nws lub vev xaib embedded yuav pab koj daws teeb meem los ntawm kev tswj hwm USB WIFI los ntawm nplooj ntawv web yooj yim.
nta
- bandwidth: Muaj nyob rau hauv 100 MHz-200 MHz xaiv. Siv Spo thev naus laus zis uas muab cov teeb liab zoo tshaj plaws thiab kev ua tau zoo
- raws: Muaj nyob rau hauv 2 thiab 4 channel xaiv.
- Qauv tus nqi: Qauv tus nqi ntawm 1GSa/sec
- Memory: Features keeb kwm waveform kaw thiab sequential triggering muaj nuj nqi
- Heev neeg tus phooj ywg
- Tsawg suab nrov
Txheeb xyuas tus nqi kawg ntawm no
Qhov zoo tshaj plaws oscilloscope rau beginners: Hantek DSO5072P
Muab ob txoj kev nkaus xwb, Hantek DSO5072P yog qhov zoo tshaj plaws o-scope rau cov pib uas tab tom kawm siv lub cuab yeej.
Yog tias koj nyuam qhuav pib nrog cov khoom siv hluav taws xob, ob txoj kev muaj ntau tshaj li qhov txaus rau koj cov kev xav tau thiab ib qho ntxiv yuav tsuas ntxiv rau tus nqi.
Qhov oscilloscope no yog qhov kev xaiv zoo tiag tiag rau cov neeg pib tshiab vim tias nws muaj cov neeg siv khoom zoo heev thiab cov ntawv qhia zaub mov uas nkag siab zoo. Nws kuj yog pheej yig heev.
Lub bandwidth ntawm 70 MHz thiab lub cim xeeb qhov tob ntawm 12 Mpts txog 24 Mpts yog txaus rau feem ntau daim ntawv thov.
Qhov loj 7-nti xim zaub muaj qhov pom tau zoo thiab yooj yim nyeem txawm nyob rau hauv lub hnub ci ci. Ntawm 4.19 phaus nws yog lub teeb tsis txaus ntseeg thiab nqa tau yooj yim, thiab nws muaj txheej txheej uas tiv thaiv nws los ntawm khawb thiab puas.
Thaum nws tsis txhawb Ethernet lossis Wi-Fi network sib txuas, nws txhawb USB kev sib txuas rau kev ua haujlwm sab nraud siv Windows 10 PC.
Cov yam ntxwv ua tau zoo tshaj plaws suav nrog ntug, nqes hav, ua haujlwm dhau sijhawm, kab xaiv tau, thiab mem tes dav uas ua rau cov cuab yeej tsim nyog rau txhua yam kev sim.
nta
- bandwidthZaus: 200/100/70MHz bandwidths
- raws: Ob tug channel
- zauv tus nqi: Real-time qauv mus txog 1GSa / s
- Memory: 12Mpts txog 24 Mpts
- Zoo heev neeg siv interface
- Nqis
- Cov zaub muaj qhov pom kev siab nyob rau hauv txhua qhov teeb pom kev zoo
- Ceeb thawj heev
Txheeb xyuas tus nqi kawg ntawm no
Tus nqi pheej yig tshaj mini oscilloscope: Signstek Nano ARM DS212 Portable
Qhov no me me tes tuav oscilloscope yog qhov zoo tagnrho rau kev kuaj hluav taws xob hauv-tus-mus. Nws yog compact heev uas nws tau yooj yim haum hauv koj lub tshuab hluav taws xob lub cuab yeej.
Lub Signstek Nano yooj yim rau kev khiav lag luam thiab siv ob lub thumbwheels rau txhua qhov chaw thiab yuav luag txhua qhov kev ua.
Lub USB flash yog tsim rau hauv chav tsev. Nws muaj 8 MB chaw cia khoom.
Cov ntaub ntawv tuaj yeem khaws cia ua cov ntsiab lus cov ntaub ntawv lossis tso tawm ua cov ntaub ntawv .bmp. Qhov chaw nres nkoj USB ntawm lub tsev yog rau them lub roj teeb lossis txuas rau lub computer.
Chav tsev cov npe yuav tshwm sim thiab cov ntaub ntawv lossis cov duab yuav raug xa mus rau lub computer.
Qhov no yog 2-channel digital Scope. Nws yog txawm peem rau nrog ib tug 320 * 240 xim zaub, 8M Memory Card (U Disk), thiab chargeable lithium roj teeb.
Lub teeb liab built-in generator ua qhov yooj yim waveforms thiab kev hloov kho rau zaus thiab PPV, kev ntsuas yog qhov tseeb.
Thiab txawm hais tias nws yog siv los ntawm cov roj teeb lithium-ion, lawv kav ntev li ob teev.
nta
- bandwidthBandwidth: 1 MHz
- raws: Ob tug channel
- zauv tus nqi: 10MSa/s Max. tus qauv tus nqi
- Memory: Qauv nco qhov tob: 8K
- Tes tuav, yooj yim rau kev khiav lag luam. Siv ob thumbwheels rau txhua qhov chaw.
- USB flash yog tsim rau hauv chav tsev
- Cov lus qhia ntxaws ntxaws muaj nyob rau ntawm lub vev xaib
- Cov roj teeb yuav kav ntev li ob teev
Txheeb xyuas tus nqi kawg ntawm no
Qhov zoo tshaj plaws oscilloscope nrog cov piv txwv siab: YEAPOOK ADS1013D
Lub YEAPOOK ADS1013D handheld digital oscilloscope muaj ntau yam ntawm cov yam ntxwv siab heev, suav nrog tus nqi ntsuas siab, ntawm tus nqi tsim nyog heev.
Lub built-in 6000mAh lithium roj teeb yog qhov tshwj xeeb tshaj yog muaj txiaj ntsig zoo rau txhua tus neeg uas xav tau siv lub oscilloscope rau lub sijhawm ntev.
Nws tso cai rau koj siv lub cuab yeej mus txog 4 teev ntawm kev them tag nrho.
Nws muaj cov qauv tsim - pib, ib txwm, thiab ib leeg - txhawm rau ntes cov duab nrawm nrawm. Lub oscilloscope kuj tau nruab nrog lub siab voltage tiv thaiv module uas tso cai rau koj ua haujlwm ntawm chav tsev mus txog 400V.
Yeapook's oscilloscope ua haujlwm tshaj 2 raws thiab muaj qhov sib piv ntawm qib ntawm 100 MHz nrog lub sijhawm ua piv txwv ntawm 1 GSa / s.
Thaum nws los txog rau cov zaub interface, nws muaj 7-nti LCD kov npo nrog kev daws teeb meem ntawm 800 x 480 pixels, kom pom tseeb thiab yooj yim.
Qhov no oscilloscope yog lub teeb heev thiab portable. Nws muaj lub cev yuag, ntsuas 7.08 x 4.72 x 1.57 ntiv tes kom yooj yim tuav.
Lub peev xwm cia yog 1 GB uas txhais tau tias koj khaws txog 1000 screenshots thiab 1000 cov ntaub ntawv waveform.
nta
- bandwidthBandwidth: 100 MHz
- raws: 2 raws
- zauv tus nqi: 1 GSa/s sampling tus nqi
- Memory: 1 GB nco
- 6000mAh lithium roj teeb - muab kev siv txuas ntxiv rau 4 teev ntawm kev them tag nrho
- Ultra-nyias tsim thiab lub teeb yuag
- Voltage tiv thaiv module rau kev nyab xeeb
Txheeb xyuas tus nqi kawg ntawm no
Zoo tshaj oscilloscope nrog FFT: Hantek DSO5102P
Yam ntxim nyiam
Rau qhov nkag-theem oscilloscope, Hantek DSO5102P yog ib qho zoo heev deal ua tsaug rau ib tug xov tooj ntawm high-end specs nws muaj. Ib qho bandwidth ntawm 100MHz, tus qauv tus nqi ntawm 1GSa / s, thiab cov ntaub ntawv ntev txog li 40K tsuas yog qee qhov ntawm nws ob peb lub siab ua haujlwm.
Txhua txoj haujlwm uas koj tuaj yeem xav txog yog ntim rau hauv qhov ntsuas no. Pib nrog, nws muaj lub vaj huam sib luag pem hauv ntej uas muaj ob peb lub pob muaj txiaj ntsig. Koj tuaj yeem siv cov no rau ob qho tib si ntsug thiab kab rov tav, lossis txawm tias qhov ntsuas qhov ntsuas.
Txawm tias muaj cov npe ntev ntawm kev ua haujlwm, teeb tsa lub cuab yeej no yog qhov ua si ntawm menyuam yaus. Tsis hais txog qhov kev xav ntawm cov ntawv qhia zaub mov zoo li cas. Txawm hais tias koj yog tus pib lossis tus neeg tshaj lij, koj yuav tsum poob rau nws yuav luag tsis siv neeg siv interface.
Tsis tas li ntawd, qhov me me ntawm cov teeb meem hais txog kev ntsuas cov cuab yeej teeb liab yuav nyob ntawm koj qhov pom. Piv txwv li, koj tuaj yeem tshawb xyuas tej yam xws li zaus, lub sij hawm, txhais tau tias, thiab ncov mus rau qhov siab kawg voltage nrog ib nias ntawm ib lub pob. Tsis tas li ntawd, koj yuav pom tus cursors los ntsuas qhov voltage thiab lub sijhawm tshwj xeeb.
Tsis tas li ntawd, nws los nrog 1KHz square yoj sojntsuam rau kev sim thiab ntsuas nrawm dua. Koj tsis tuaj yeem nyeem ob qhov sib txawv tib lub sijhawm tab sis kuj ua lej suav nrog cov cim. Tag nrho cov no, dab tsi ntxiv, koj tuaj yeem siv qhov ceev Fourier transform (FFT) algorithm.
kev cov nyom
- Tsuas yog ob lub channel muaj.
Zoo tshaj oscilloscope nrog teeb liab generator: Hantek 2D72
Yam ntxim nyiam
Raws li hnub dhau los, cov khoom siv hauv tsev zoo li qub tau poob qhov ntxim nyiam vim lawv tsis muaj kev txav mus los. Cia li nco ntsoov, Hantek coj peb txoj kev xaiv nqa tau yooj yim, 2D72. Ib qho peb tab tom tham txog yog ntau ntawm cov cuab yeej siv ntau yam, suav nrog kev ua haujlwm los ntawm peb lub cuab yeej ntsuas thoob ntiaj teb.
Nrog rau qhov hais tias, koj tuaj yeem siv qhov no ua 70MHz oscilloscope nrog qhov nrawm ntawm 250Msa / s. Rau ib qho khoom siv peb-hauv-ib, cov duab no yog ntau tshaj qhov xav tau. Nyob rau hauv tas li ntawd, koj tau txais ib tug waveform generator muaj nuj nqi kom tso zis nthwv dej ntawm zoo nkauj npaum li cas txhua yam koj xav tau.
Tsis tas li ntawd, cov cuab yeej tuaj yeem ua haujlwm zoo nkauj zoo li multimeter. Nws yuav cia li ntsuas zaus thiab amplitude rau koj nrog qhov tseeb heev. Nws muaj qhov ua haujlwm ntawm tus kheej-calibration zoo li uas ua rau nws zoo li tsis muaj zog.
Txij li thaum koj yuav nqa nws nrog, Hantek tau ua kom lub tshuab them nyiaj ntse heev. Koj tuaj yeem them cov roj teeb lithium los ntawm lub siab tam sim no ntawm 5V / 2A lossis txawm tias ib qho piv txwv USB interface. Dhau li ntawd, hom C interface ua rau nws yooj yim dua rau kev them nyiaj thiab xa cov ntaub ntawv.
kev cov nyom
- Tsuas yog ob lub channel muaj.
- Screen me me dhau lawm.
Cov lus tibneeg nug (FAQs)
Kuv yuav siv hom twg rau cov teeb liab qeeb heev?
Koj tuaj yeem siv Roll hom los saib cov teeb liab qeeb. Nws yuav pab cov ntaub ntawv waveform kom tshwm sim tam sim. Yog li ntawd, koj yuav tsis tau tos rau tag nrho cov ntaub ntawv waveform. Piv txwv li, koj yuav tsum tau tos kaum vib nas this nyob rau hauv rooj plaub uas ib tug cheb yog kaum faib ntev, nrog tus nqi ntawm ib tug thib ob ib faib.
Puas yog kev sib txuas hauv av rau oscilloscope yuav tsum?
Yog lawm, koj yuav tsum tau av oscilloscope rau kev nyab xeeb. Koj oscilloscope yuav tsum tau qhia tib lub hauv paus nrog txhua lub voj voog uas koj tab tom sim los ntawm nws. Txawm li cas los xij, tej zaum koj yuav pom qee qhov oscilloscopes tawm muaj, nyob rau hauv qhov kev sib txuas rau hauv av tsis tsim nyog.
Kuv puas tuaj yeem ntsuas AC tam sim no nrog oscilloscope?
Theoretically, koj ua tau. Txawm li cas los xij, feem ntau oscilloscopes tsuas tuaj yeem ntsuas qhov voltage tsis yog tam sim no. Tab sis koj tuaj yeem ntsuas qhov hluav taws xob poob hla lub shunt resistor los xam cov amps. Nws yog qhov yooj yim dua yog tias koj rub lub cuab yeej nrog lub ammeter built-in lossis multimeter.
Oscilloscopes puas tuaj yeem ntsuas qhov tam sim no?
Feem ntau oscilloscopes tuaj yeem ntsuas qhov ntsuas hluav taws xob ncaj qha, tsis yog tam sim no. Ib txoj hauv kev los ntsuas AC tam sim no nrog lub oscilloscope yog ntsuas qhov hluav taws xob poob hla lub shunt resistor.
Oscilloscope puas tuaj yeem ntsuas qhov dc voltage?
Yog, nws ua tau. Feem ntau oscilloscopes tuaj yeem ntsuas ob qho tib si ac thiab dc voltages.
Kuj nyeem kuv qhov kev tshuaj xyuas tshaj tawm ntawm qhov zoo tshaj plaws voltage testers
Ib qho oscilloscope puas tuaj yeem ntsuas RMS voltage?
Tsis yog, nws ua tsis tau. Nws tsuas tuaj yeem taug qab lub ncov ntawm qhov voltage. Tab sis thaum koj ntsuas lub ncov ntawm qhov hluav taws xob, koj tuaj yeem xam tus nqi RMS siv qhov sib npaug kom raug.
Ib qho oscilloscope puas tuaj yeem tso cov suab nthwv dej?
Nws tsis tuaj yeem qhia cov suab nrov nrov tshwj tsis yog tias koj txuas lub suab ncaj qha mus rau qhov ntsuas.
Vim hais tias lub suab teeb liab tsis yog hluav taws xob, koj yuav tsum hloov lub suab teeb liab mus rau hluav taws xob siv lub microphone ua ntej.
Puas yog oscilloscope probes hloov pauv tau?
Feem ntau yuav muaj. Txawm li cas los xij, koj yuav tsum xyuas cov kev qhia tshwj xeeb thiab xyuas kom meej tias cov kev sojntsuam tau sib xws thiab hluav taws xob zoo ib yam ntawm ob qho tib si. Lawv txawv qee zaus.
Dab tsi yog qhov txawv ntawm zaus thiab bandwidth hauv oscilloscopes?
Frequency yog ib qho kev ntsuas ntawm oscillations hauv ib lub voj voog. Bandwidth yog tus nqi ntawm cov ntaub ntawv xa mus.
Dab tsi yog qhov tshwm sim thaum tham txog oscilloscopes?
Qee lub sij hawm muaj ib qho xwm txheej uas tshwm sim hauv ib lub voj voog uas koj tab tom sim.
Lub tshuab ua haujlwm tso cai rau koj kom ruaj khov repetitive waveforms los yog ib-shot waveforms los ntawm kev rov ua kom pom ib feem zoo sib xws ntawm cov teeb liab.
Qhov no ua rau repetitive waveforms zoo li qub (txawm tias lawv tsis yog).
Takeaway
Tam sim no koj paub txog qhov sib txawv oscilloscopes muaj, thiab lawv ntau yam nta thiab kev siv, koj nyob hauv txoj haujlwm zoo dua los xaiv qhov zoo tshaj plaws haum rau koj lub hom phiaj.
Koj puas xav tau lub hnab tsho loj oscilloscope? Los yog ib yam dab tsi nrog tus nqi ntsuas siab? Muaj cov kev xaiv zoo tshaj plaws kom haum koj cov kev xav tau thiab koj lub hnab ris.
Nyeem ntxiv: Dab tsi ntawm Flux siv hauv Electronics Soldering?
Kuv yog Joost Nusselder, tus tsim ntawm Tools Doctor, cov ntsiab lus lag luam, thiab txiv. Kuv nyiam sim cov cuab yeej tshiab, thiab ua ke nrog kuv pab neeg kuv tau tsim cov ntawv blog tob txij li xyoo 2016 los pab cov neeg nyeem siab ncaj nrog cov cuab yeej & cov lus qhia ua khoom siv.
