Kana iwe uchida kumisikidza marabhoritari emagetsi, chimwe chezvishandiso zvakakosha izvo zvisingafanirwe kushaikwa ndeye oscilloscopes. Nadzo haugone kungotora zvimwe zviyero sezvazviri mapolima, asi iwe zvakare uchaona zvakanyanya graphic mhedzisiro pane analogi uye masaini edhijitari. Pasina mubvunzo imwe yeakanyanya hunyanzvi uye yakashandiswa maturusi mumarabhoritari emagetsi, uye pano tichakuratidza kuti chii chaizvo, nzira yekusarudza iyo yakanyanya kufanira iwe, uye isu tinokurudzira mamwe mabhureki uye mamodheru ane yakanakisa kukosha kwemari.
yakanakisisa oscilloscopes
Kana iwe usingazive kuti ndeupi mudziyo wekutenga, heino iwe enda sarudzo ine akanakisa oscilloscopes chii chaungatenga. Uye kune evatangi, vagadziri uye nyanzvi, ine akasiyana siyana emitengo. Pakusarudzwa uku, ndakasarudza mhando nhatu dzemhando yepamusoro, uye kubva kune imwe neimwe yadzo 3 mhando dzakasiyana dzinopihwa: yakachipa uye yakawedzera hupfumi sarudzo yevanotanga nevanoda, yepakati, uye inodhura sarudzo yevashandi.
Brand Rigol
Rigol DS1102Z-E (mutengo wakanaka)
Rigol ine mamwe epamusoro edhijitari oscilloscopes aunogona kuwana, senge iyi dhijitari mhando modhi, ine 2 chiteshi, 100 Mhz, 1 GSa/s, 24 Mpts uye 8-bits. Inobvumira kuswededza pedyo nechikamu chakasarudzwa, kugona kupururudza, kunakidza kubatana, waveform yekubata kumhanyisa inosvika 30.000 wfms/s, kugona kuratidza uye kuongorora anosvika zviuru makumi matanhatu akarekodhwa masaisai. Yese inoonekwa pane yayo hombe 60.000 ″ yeruvara skrini ine TFT pani uye WVGA resolution (7 × 800 px), inogadziriswa kupenya, vertical scale range kubva 480mV/div kusvika 1V/div, USB connection, 10 probes uye tambo dzakabatanidzwa, nezvimwe. .
Rigol DS1054Z (yepakati renji)
Hapana zvigadzirwa zvakawanikwa.
Iyi ndeimwe yeakanakisa dhijitari oscilloscopes. Rigol akagadzira chinhu chakanakisa chine 4 chiteshi pane maviri senge yapfuura. Iine maficha anonakidza, akadai seayo 150 Mhz, 24Mpts, 1Gsa/s, 30000 wfms/s, pamwe nekuva nezvinokonzeresa, decoding, tsigiro yezvinokonzeresa zvakasiyana, USB kubatana, uye kugovera zvimwe zvakawanda neyakapfuura, senge. 7 inches uye 800 × 480 px resolution, chiyero chayo, nezvimwe. Ichazviyera otomatiki kusvika makumi matatu nenomwe waveform paramita, ine nhamba dzekusimuka nekudonha nguva, wave amplitude, pulse width, duty cycle, nezvimwe.
Rigol MSO5204 (yakanakira kushandiswa kwehunyanzvi)
Rigol MSO5204 ndeimwe yeanonyanya kunakidza nyanzvi oscilloscopes. Mudziyo uyu unouya nemachanera mana, 4 Mhz, 200 GSa/s, 8 Mpts, uye 100 wfms/s. Inosanganisira 500000 ″ color touch screen (yakawanda-touch), ine capacitive LCD pani, uye inoshamisa ine simba hardware. Ichatora uye inomiririra kunyange diki ruzivo. Iyi skrini ine yakanakisa resolution, ine kugadzikana kwemavara, uye anosvika 9 mazinga ekugadzirisa. Iwe unogona kuyera otomatiki kusvika ku256 akasiyana waveform paramita mundangariro. Muchiitiko ichi, iwe unozogona kushandisa akasiyana mainterface, akadai seLAN, USB, HDMI, nezvimwe.
Brand Hantek
Hantek 6022BE (yakachipa dhijitari)
Iyi Hantek yakachipa, yedhijitari, uye inobatana kuburikidza ne USB kuPC. Izvo hazvisanganisi sikirini, asi zvinosanganisira software (inosanganisirwa paCD) yekuisa muWindows uye kukwanisa kuita maonesheni kuburikidza nechidzitiro chekombuta yako nesoftware iyi. Yakagadzirwa mumhando yepamusoro anodized aluminium. Iine 48 MSa/s, 20 Mhz bandwidth, uye 2 chiteshi (16 zvine musoro).
Hantek DSO5102P (yepakati renji)
Iyi imwe Hantek brand oscilloscope ine ruvara rwekuyera, ine saizi ye17,78 cm diagonal uye WVGA resolution ye800 × 480 px. Iine USB connector, 2 channels, 1GSa/s ye real-time sampling, 100Mhz bandwidth, kureba kusvika 40K, mana math mabasa ekusarudza kubva, anosarudzwa edge/pulse wide/line/slop/overtime trigger modes, nezvimwe. Real-time analysis PC software inosanganisirwa.
Hantek 6254BD (yakanakisa dhijitari yekushandisa nyanzvi)
Hantek zvakare ine iyi imwe modhi, imwe yeakanakisa oscilloscopes ekushandisa nyanzvi. Sarudzo yedhijitari, ine USB yekubatanidza, 250 Mhz, 1 GSa/s, 4 chiteshi, ega ega waveform, kunzwa kwekuisa kwayo kusvika ku2 mV-10V/div, iri nyore kutakura, iri nyore kuisa (Plug & Play), yakakwana kwazvo. uye nemabasa epamberi, akagadzirwa neanodized aluminium yekasi, uye nemukana wekuona, kuchengeta, uye kuita marudzi ese ekushanda paPC screen nekuda kwesoftware yayo.
Siglent Brand
Siglent SDS 1102CML (inodhura sarudzo)
Iyi imwe ndiyo inodhura zvakanyanya iwe yaunogona kuwana pasi peiyo Siglent brand. Aya maoscilloscope modhi ane 7 ″ ruvara rweTFT LCD skrini, ine resolution ye480 × 234 px, USB interface, ine PC software yekuona uye kuongorora zvese zviri kure nepascreen, 150 Mhz yakafara yebhendi, 1 GSa/s, 2 Mpts. , uye nedouble channel.
Siglent SDS1000X-U Series (yepakati renji)
Ndiyo yepakati Siglent modhi, ine 4 chiteshi, dhijitari mhando, 100 Mhz bandwidth, 14 Mpts, 1 GSa/s, 7-inch TFT LCD skrini ine resolution ye800 × 480 px, super phosphor, ine madhikodha enzvimbo akati wandei. , iri nyore kwazvo kushandisa kuvonga kumberi kwayo, hurongwa hutsva neSPO tekinoroji yekuvandudza kutendeka nekuita, kunzwisiswa kwakanyanya, kuderera kwejitter, kunotora kusvika ku400000 wfmps, kusimba kunogadziriswa mumazinga e256, kuratidza maitiro ekushisa kwemavara nezvimwe.
Siglent SDS2000X Plus Series (yakanakira kushandiswa kwehunyanzvi)
Kana iwe uchida Siglent yekushandisa nyanzvi, iyi imwe modhi ndiyo yauri kutsvaga. Chishandiso chine hombe 10.1 ″ yakawanda-yekubata sikirini yekutarisa masaini uye data. Iine smart trigger (mupendero, mutsetse, kupomba, hwindo, kumhanya, kupindirana, kudonha, pateni uye vhidhiyo). Iyo ine 4 chiteshi uye gumi nematanhatu mabits edhijitari, 16 Mhz bandwidth, 350 Mpts ndangariro kudzika, voltage chaiyo kubva 200 mV/div kusvika 0.5V/div, akasiyana modhi, 10 GSa/s, uye kugona kwe2 wfm/s, mazana maviri nemakumi mashanu nenhanho , kuratidza tembiricha yemavara, tekinoroji yeSPO yekuvandudza kuvimbika, uye yakazara nemhando yepamusoro.
inotakurika oscilloscopes
Siglent SHS800 akatevedzana (nyanzvi akabata ruoko oscilloscope)
A Professional Handheld Oscilloscope ine 2 Channels, 200Mhz Bandwidth, 32Kpts Memory Dep, 6000 Count Display yeChiyero Chakarurama, Trend Graphs anosvika makumi matatu nemaviri Measurements, 32K Point Range, 800 Maawa yekurekodha Nguva, uye huru yekurekodha Nguva. Zvakare, ine nguva yekurekodha ye24 Sa/s.
HanMatek H052 (yakanyanya kukosha yemari)
Iyo mini saizi oscilloscope ine 3.5 ″ TFT skrini, ine multimeter basa (2 mu1). Iyo skrini yakavhenekerwa, ine yekuzvigadzirisa-calibration basa, inosvika manomwe otomatiki mavhareji, anosvika 7 wfms/s, 10000 Mhz, 50 MSa/s, 250K yekurekodha mapoinzi, maitiro anoshanda munguva chaiyo, yakazvimirira multimeter uye. oscilloscope inputs, USB interface -C yesimba uye kuchaja, nezvimwe.
Chii chinonzi oscilloscope?
oscilloscopes Izvo zviridzwa zvemagetsi zvinoshandiswa kumiririra zvakasiyana-siyana zvemagetsi pane yavo LCD skrini. yedunhu, kazhinji masaini anosiyana nenguva inomiririrwa paakisi yakarongeka (X yeakisi yenguva kuona kushanduka kwechiratidzo uye paY axis amplitude yechiratidzo inomiririrwa mumavolts, semuenzaniso). Izvo zvakakosha mumunda wemagetsi kuti uongorore maseketi uye kutarisa masaini emhando (analogi kana dhijitari), pamwe nemaitiro avo.
Oscilloscopes ane probes kana matipi ekuwana nawo masaini edunhu riri kudzidzwa. Iyo oscilloscope yemagetsi ichatarisira vamiririre zvinoonekwa pachiratidziri, kutarisa nguva nenguva shanduko (sampling), uye kuburikidza nezvinokonzeresa zvinodzora zvichave zvichigoneka kudzikamisa uye kuratidza zvinodzokorora waveforms.
- Sampling: ndiwo maitiro ekushandura chikamu chechiratidzo chinouya kuita akati wandei emagetsi masheji kuti uichengetedze mundangariro, igadzirise uye iratidze nekuimiririra pachiratidziri. Hukuru hweimwe sampuli poindi ichave yakaenzana neamplitude yechiratidzo chekuisa panguva iyo chiratidzo chinotorwa. Aya mapoinzi akarongwa pachiratidziro anogona kududzirwa semasaisai kuburikidza nemaitiro anozivikanwa sekududzira, achibatanidza mapoinzi kuita mitsetse kana mavheji.
- Pfuti: Inoshandiswa kudzikamisa uye kuratidza inodzokorora waveform. Kune akati wandei mhando senge kumucheto kukonzeresa, kuona kana mupendero uri kukwira kana kudonha muchiratidzo, chakanakira sikweya kana masaini masaini. Pulse wide triggering inogonawo kushandiswa kuongorora mamwe masaini akaomarara. Kune zvakare mamwe modhi, senge imwe chete inokonzeresa, uko oscilloscope inongoratidza kuteedzera kana chiratidzo chekuisa chinosangana nemamiriro ekutanga, kuvandudza chiratidziro nekuchiomesa nechando kuti chichengetedze trace.
Signal parameters
Oscilloscopes inogona kuyera nhevedzano ye chiratidzo parameters iwe unofanirwa kuziva:
- kukosha kunoshanda
- Upamhi hwekukosha
- Kukosha kushoma
- peak to peak value
- Signal frequency (zvese zvakaderera uye zvakakwirira)
- chiratidzo nguva
- huwandu hwezviratidzo
- Signal kusimuka nekudonha nguva
- Kuparadzanisa chiratidzo kubva kune ruzha runogona kubatanidzwa
- Verenga nguva dzekuparadzira mumaseketi e-microelectronic
- Verenga iyo FFT yechiratidzo
- Ona kuchinja kwe impedance
Oscilloscope Zvikamu
Kana zviri izvo zvakakosha zvikamu zveoscilloscope zvaunofanira kuziva kuti ugone kuzvibata, ndezvi:
- Screen: ndiyo inomiririra sisitimu yezviratidzo uye kukosha. Ichi chiratidziro chaimbova CRT pane ekare oscilloscopes, asi pane azvino oscilloscopes yave yedhijitari TFT LCD kuratidzwa. Aya masikirini anogona kuve ehukuru hwakasiyana, uye neakasiyana resolution, seVGA, WXGA, nezvimwe.
- yakarurama system: ine basa rekupa iyo inomiririra sisitimu neruzivo rwechiratidzo cheY axis kana vertical axis. Kazhinji inomiririrwa kumberi kweoscilloscope uye ine nzvimbo yayo yekutonga yakanyorwa VERTICAL. Semuyenzaniso:
- Chikero kana kuti vertical gain: Inogadzirisa iyo yakatwasuka kana inogara senitivity mumavolts / kupatsanura. Pachave nekutonga kune yega yega nzira iyo oscilloscope inayo. Semuenzaniso, kana ukasarudza 5V/div ipapo imwe neimwe yezvidzitiro zvikamu zvinomiririra 5 volts. Iwe unofanirwa kuigadzirisa zvichienderana nemagetsi echiratidzo, kuitira kuti igone kumiririrwa zvakanaka pagirafu.
- menyu: inokutendera kuti usarudze pakati pemagadzirirwo akasiyana echiteshi chakasarudzwa, senge impedance yekupinda (1x, 10x,…), chiratidzo chekubatanidza (GND, DC, AC), kuwana, bandwidth mipimo, chiteshi inversion (inverts polarity), nezvimwe.
- Position: ndiwo murairo unoshandiswa kufambisa trace yechiratidzo chakatwasuka woiisa paunoda.
- FFT: Fast Fourier Shanduko, sarudzo yekushandisa masvomhu basa kuita spectral ongororo yechiratidzo. Saka iwe unogona kuona chiratidzo chakaputswa kuita yakakosha frequency uye harmonics.
- Mat: Digital oscilloscopes zvakare inowanzo sanganisira iyi kuseta kuti usarudze akasiyana mashandiro emasvomhu ekushandisa kumasaini.
- horizontal system: iyo data inomiririrwa yakachinjika, ine jenareta rekutsvaira rinoshandiswa kudzora kumhanya kwekutsvaira uye rinogona kugadziriswa nenguva (ns, µhongu, ms, masekondi, nezvimwewo). Ese marongero kana zvidzori zveiyi X axis akaiswa munzvimbo yakanyorwa kuti HORIZONTAL. Semuenzaniso, zvichienderana nemuenzaniso unogona kuwana:
- Position: inobvumidza iwe kufambisa masaini pamwe neiyo X axis kuti uagadzirise, semuenzaniso, isa chiratidzo pakutanga kwekutenderera, nezvimwe.
- Chiyero: Apa ndipo panogona kusetwa iyo yuniti yenguva pane imwe skrini (s/div) Semuenzaniso, unogona kushandisa imwe ye1 ms/div, izvo zvichaita kuti chikamu chega chega chegirafu chimiririre nguva yemillisecond imwe. Nanoseconds, microseconds, milliseconds, seconds, etc. inogona kushandiswa, zvichienderana nekunzwa uye chiyero chinotsigirwa nemuenzaniso. Kudzora uku kunogonawo kunzwisiswa semhando ye "zoom", kuongorora mamwe maminetsi echiratidzo chechiratidzo munguva diki.
- Kuwana: Iyo data yakawanikwa inoshandurwa kuita dhijitari fomati, uye izvi zvinogona kuitwa nenzira nhatu dzinogoneka uye zvinokanganisa sampling, ndiko kuti, kumhanya kunowanikwa data. Iwo matatu modes ndeaya:
- Sampling: Samples siginecha yekupinza panguva dzenguva dzose, asi inogona kupotsa kumwe kukurumidza kusiyanisa muchiratidzo.
- Avhareji: Iyi inzira inokurudzirwa kwazvo yekuti kana mawaveform akateedzana atorwa, achitora avhareji yeese uye kuratidza chiratidzo chinobuda pachiratidziri.
- Peak kuonekwa: yakakodzera kana iwe uchida kudzikisa ruzha rwakabatanidzwa iyo chiratidzo chinogona kuva nacho. Muchiitiko ichi, iyo oscilloscope ichatsvaga yakakura uye yakaderera kukosha kwechiratidzo chiri kuuya, nekudaro ichimiririra chiratidzo mumapulses. Nekudaro, kungwarira kunofanirwa kutorwa, sezvo mune iyi modhi ruzha rwakabatanidzwa runogona kutaridzika rwakakura kupfuura zvariri chaizvo.
- Trigger: iyo inokonzeresa system inoratidza patinoda kuti chiratidzo chitange kudhirowa pachiratidziri. Semuenzaniso, fungidzira kuti washandisa base 1 nguva chiyero µs uye X-axis graph yenguva ine gumi yakachinjika kupatsanura, ipapo oscilloscope inoronga 10 magirafu paminiti, uye kana imwe neimwe ikatanga pane imwe nzvimbo ingave nyonga nyonga. Kuti izvi zvisaitike, muchikamu chino unogona kuzviitira. Zvimwe zvinodzora ndezvi:
- menyu: Sarudzo yesarudzo dzakasiyana kana nzira dzekupfura dzinobvira (manyoro, otomatiki,...).
- Level kana Level: iyi potentiometer inobvumira kugadzirisa iyo trigger level yechiratidzo.
- force trigger: manikidza kupfura panguva yekuidzvanya.
- probes: ndiwo materminal kana mapoinzi ekuyedza anozosangana nezvikamu zvechishandiso kana dunhu kuti riongororwe. Dzinofanirwa kunge dzakakodzera, kana zvisina kudaro tambo inobatanidza probe kune oscilloscope inogona kuita senge antenna uye inotora zviratidzo zveparasitic kubva kunhare dziri pedyo, zvigadzirwa zvemagetsi, redhiyo, nezvimwe. Mazhinji maprobes anouya ne potentiometer kutsiva nyaya idzi uye anoda calibration kuti aratidze hunhu chaihwo pachiratidziro, zvinoenderana nezvikero zvakasarudzwa paaxes yekuratidzira.
Oscilloscope Safety
Chimwe chinhu chakakosha kana uchishandisa oscilloscope murabhoritari ndeyekuchengeta mupfungwa matanho ekuchengetedza kuti usazopedzisira wakuvadza mudziyo kana tsaona dzingangokukanganisa. Zvinogara zvakakosha kuverenga bhuku remugadziri kuti uremekedze kurudziro yekuchengetedza uye kushandiswa. Mimwe mitemo yegeneric yakajairika kune ese mamodheru ndeiyi:
- Dzivisa kushanda munzvimbo dzine zvinhu zvinobvira moto kana zvinoputika.
- Pfeka giya rekudzivirira kudzivirira kutsva kana kubatwa nemagetsi.
- Ground zvikonzero zvese, zvese oscilloscope probe uye dunhu riri pasi pekuyedzwa.
- Usabate zvikamu zvedunhu kana matipi asina kuvharwa ari mupenyu.
- Gara uchibatanidza midziyo kune yakachengeteka uye yakadzikwa simba rekupa network.
Applications
Kana uchiri kumuwana chikumbiro Kumudziyo uyu, unofanirwa kuziva zvese zvinokutendera kuti uite oscilloscopes murabhoritari yako yemagetsi:
- Edza kukura kwechiratidzo
- kuyera mafambiro
- kuyera mafungiro
- kuyera matenderedzwa
- Avhareji yechikamu chekuchinja kwezviratidzo zviviri
- XY zviyero uchishandisa Lissajous manhamba
Zvakanaka, uye izvi zvinoratidzwa neimwe nzira inoshanda, inogona kushandiswa:
- Tarisa zvinhu zvemagetsi, tambo kana mabhazi
- Ongorora matambudziko mudunhu
- Tarisa analogi kana masaini edhijitari mudunhu
- Sarudza hutano hwemagetsi emagetsi mumasisitimu anokosha
- Reverse engineering yezvigadzirwa zvemagetsi
- Uye kunyangwe maoscilloscopes anogona kupfuura zvemagetsi uye kushandisa zvimiro zvavo zvekuyera mamwe masaini emagetsi kuti azvigadzirise uye atarise biomedical parameters yevarwere muchipatara, senge blood pressure yavo, kufema rate, magetsi tsinga kuita, nezvimwe. Inogona zvakare kushandiswa kuyera simba rekurira, kutenheka, nezvimwe
Mhando dze oscilloscopes
Kune dzakasiyana mhando dze oscilloscopes. Semuenzaniso, zvichienderana nekuti zviyero zvechiratidzo zvinotorwa sei, tine:
- Analog: voltage yakayerwa nemaprobes icharatidzwa pachiratidziro cheCRT, pasina shanduko kubva kuanalogi kuenda kudhijitari. Mune izvi, zviratidzo zvenguva nenguva zvinotorwa, nepo zviitiko zvenguva pfupi zvisingawanzo kuratidzwa pachiratidziri, kunze kwekunge zvichidzokororwa nguva nenguva. Uye zvakare, iyi mhando yeoscilloscope ine painogumira, sekuti haitore masaini asiri enguva nenguva, kana achibata masaini anokurumidza kwazvo anoderedza kupenya kwechidzitiro nekuda kwekudzikira kweyero yekuzorodza, uye masaini akanyanya kunonoka. haizogadziri mitsetse (chete inogona mumachubhu ekushingirira).
- digitaalinen: yakafanana neyakapfuura, asi vanowana chiratidzo cheanalog neprobe uye vanochishandura kuita dhijitari vachishandisa ADC (A / D Converter), iyo ichave yakagadziriswa uye inoratidzwa pachiratidziri. Parizvino ndivo vakanyanya kupararira vakapihwa mabhenefiti avo, sekukwanisa kubatana nePC kuongorora zvabuda vachishandisa software, kuzvichengeta, nezvimwe. Nekune rimwe divi, nekuda kwekutenderera kwavo vanogona kuwedzera mabasa ayo anoshaikwa neanalogi, seyeyero otomatiki yemhando yepamusoro, mipendero kana kupindirana, kubatwa kwenguva pfupi, uye kuverenga kwepamberi senge FFT, nezvimwe.
Vanogona zvakare kuverengerwa zvinoenderana nekutakurika kwayo kana kushandiswa kwayo:
- inotakurika oscilloscope: iwo compact uye akareruka zviridzwa, kufambisa iwo kubva kune imwe nzvimbo kuenda kune imwe kuita zviyero. Dzinogona kunakidza kune technicians.
- Laboratory kana indasitiri oscilloscope: iwo akakura, mabhenji emidziyo, ane simba zvakanyanya uye akagadzirirwa kusiiwa munzvimbo yakagadziriswa.
Kune rumwe rutivi, maererano nemichina kushandiswa, munhu anogona zvakare kusiyanisa pakati:
- DSO (Digital Storage Oscilloscope): Iyi dhijitari yekuchengetedza oscilloscope inoshandisa serial yekugadzirisa system. Ndiyo mhando yakajairika mukati medhijitari oscilloscopes. Vanogona kutora zviitiko zvenguva pfupi, kuzvichengeta mumafaira, kuzviongorora, nezvimwe.
- DPO (Digital Phosphor Oscilloscope): Izvi hazvigone kuratidza chiyero chekusimba kwechiratidzo munguva chaiyo sezvazvinoitika mune analogi, asi iyo DSO haigone. Ndosaka iyo DPO yakagadzirwa, iyo yaive ichiri digital asi yakagadzirisa dambudziko iro. Izvi zvinobvumira kukurumidza kutora chiratidzo uye kuongorora.
- Yemuenzaniso: tengeserana nepamusoro bandwidth kune yakaderera dynamic renji. Iko kupinza hakuna kuderedzwa kana kukwidziridzwa, kukwanisa kubata yakazara yakazara chiratidzo. Iyi mhando yedhijitari oscilloscope inoshanda chete neinodzokorodza masiginecha, uye haigone kutora zvinopfuudza kupfuura zvakajairwa sampuli chiyero.
- MSO (Mixed Signal Oscilloscope): iwo hybridization pakati peDPOs uye 16-channel logic analyzer, kusanganisira decoding uye activation yeparallel-serial bhazi protocol. Iwo akanakisa ekutarisa uye kugadzirisa dhijitari maseketi.
- PC based: Iyo inozivikanwawo se USB oscilloscope sezvo vasina kuratidza, asi vanovimba nesoftware kuratidza mhinduro kubva paPC yakabatana.
Kunyangwe panogona kunge paine mamwe marudzi, aya ndiwo anonyanya kufarirwa, uye iwo aunowanzo kuwana.
Nzira yekusarudza yakanakisa oscilloscope
Panguva ye sarudza yakanaka oscilloscope, unofanira kurangarira zvimwe zvezvimiro zvinotevera. Nenzira iyi, iwe unozogona kusarudza yakanakisa uye yakanyatsokodzera kushandisa kwako:
- Chii chaunoda iyo oscilloscope? Izvo zvakakosha kuti uone zvauchazozvishandisira, sezvo oscilloscope yekuongorora maseketi edhijitari padanho relogic haina kufanana neyeRF, kana kuti iwe unofanirwa kutakura kubva kune imwe nzvimbo kuenda kune imwe, nezvimwe. Pamusoro pezvo, zvakakoshawo kuti uone kana uchichida kuti chishandiswe nehunyanzvi kana chekushandisa pakuzvivaraidza. Muchiitiko chekutanga, zvakakodzera kuisa mari shoma shoma kuti uwane imwe nyanzvi uye chaiyo michina. Muchiitiko chechipiri, zviri nani kusarudza chimwe chinhu nemutengo wepakati-pasi.
- Budget: Kuziva kuti yakawanda sei yauinayo yekuisa mari mumidziyo yako ichakubatsira iwe kutonga kunze kwemhando dzakawanda dziri kunze kwebhajeti uye kunoderedza huwandu hwemikana.
- Bandwidth (Hz): Inosarudza huwandu hwezviratidzo zvaunogona kuyera. Iwe unofanirwa kusarudza oscilloscope ine bandwidth yakakwana kuti utore nemazvo epamusoro mafambiro emasaini auchange uchishanda nawo. Yeuka mutemo we5, iyo yekusarudza oscilloscope iyo, pamwe chete neprobe, inopa kanenge ka5 bandwidth yakawanda yechiratidzo iwe unowanzoyera kuti uwane migumisiro yakanakisisa.
- Nguva yekusimuka (= 0.35/Bandwidth): Izvo zvakakosha kuti uongorore pulses kana square waves, kureva, masaini edhijitari. Iyo inokurumidza kukurumidza, iyo inonyanya kururamisa zviyero zvenguva. Iwe unofanirwa kusarudza zvikero zvine nguva yekusimuka isingasviki 1/5 nguva inokurumidza kusimuka nguva yechiratidzo chauchashandisa.
- probes: Kune mamwe maoscilloscopes ane akati wandei akakosha probe kune akasiyana zvinodiwa. Mazhinji emazuva ano oscilloscopes anowanzo kuuya neakakwira impedance passive probes uye anoshanda probes epamusoro frequency kuyerwa. Kune yepakati siyana zviri nani kusarudza probes ine capacitive mitoro ye <10 pF.
- Sampling rate kana frequency (Sa/so Samples paSekondi): ichaona kuti kangani ruzivo kana kukosha kweiyo wave kuyerwa kunotorwa payuniti yenguva. Iyo yakakwirira iyo, zviri nani kugadzirisa uye nekukurumidza iyo inoshandisa ndangariro. Iwe unofanirwa kusarudza oscilloscope ine inokwana 5x nguva dzepamusoro frequency yedunhu rauri kuzoongorora.
- Activation kana kukonzeresa: Zvakanakisa kana ichipa zvimwe zvepamberi zvinokonzeresa zveakaoma waveforms. Izvo zviri nani, zvirinani iwe unozokwanisa kuona zvinogoneka zvisingaite izvo zvakaoma kuwana.
- Memory kudzika kana kurekodha kureba (pts): Iyo yakawanda, iyo iri nani kugadzirisa kune yakaoma masaini. Inoratidza huwandu hwemapoinzi anogona kuchengetwa mundangariro, ndiko kuti, kugona kuchengetedza zvakamboitika paunenge uchiita kuyedza. Huwandu hwekuverenga hunogona kurekodhwa uye hunhu hwese hunogona kuwonekwa kuita mhedziso dzakajeka kana kutevera.
- Nhamba yemakero: Sarudza oscilloscope ine nhamba yakakodzera yezviteshi, iyo yakawanda chiteshi, zvimwe zvakawanda zvinogona kuwanikwa. Iwo analogia aiwanzove maviri chete chiteshi, nepo edhijitari anogona kubva pa2 zvichikwira.
- Inowanikwa: Inofanira kunge iri intuitive uye nyore sezvinobvira, kunyanya kana iwe uri wekutanga. Mamwe maoscilloscopes epamusoro akakodzera chete kune nyanzvi, sezvo mushandisi ane ruzivo rushoma angangoda kugara achiverenga bhuku rekushandisa.
- Analog vs digital: iwo edhijitari parizvino ari kutonga mumusika nekuda kwezvakanaka zvawo, sekubvumira kurerukirwa kukuru, uye pasina miganhu pakureba kwerekodhi. Naizvozvo, iyo yakasarudzika sarudzo inofanirwa kuve yedhijitari oscilloscope kune angangoita ese kesi.
- Brands: iwo akanakisa oscilloscope mabhureki anoti Siglent, Hantek, Rigol, Owon, Yeapook, nezvimwe. Nokudaro, kutenga imwe yemhando dzavo ichava chivimbiso chekushanda kwakanaka uye hutano.