USB-COM adaptha ngezandla zakho: isikimu. Indlela ukukhetha adaptha ye-USB COM

COM-USB adaptha - idivayisi evumela PC ukuxhuma ku okuphathelene nomngcele. Ngeshwa, amamodeli samanje amabhlogo uhlelo akuzona ngezinye izikhathi okukhiphayo kubaluleke kakhulu. Ngakho, umsebenzisi akukungakanani amakhono ayo.

Uma sicabanga idivayisi ezifana umamukeli, ayikwazi ukuxhuma ikhebula le. Kulokhu, umsebenzisi uzokwazi ukusiza kuphela adaptha (adaptha). Ngu uhlobo idivayisi isixhumi idatha ehlukile. Ngaphezu kwalokho, kufanele kuphawulwe ukuthi ukubenza ekhaya ngempela namaqiniso. Nokho, Okokuqala, kubalulekile ukuba bajwayelane kudivayisi yabo.

Umdwebo ka adaptha elula

Ukushayela i-USB COM adaptha kuhlanganisa port, modulator, Lidlulisela, kanye Resistor. Kwezinye izimo, lo mshini wokukhulisa umsindo zingafakwa ngaphezu ebhodini. Kulokhu avame akhethiwe uyisibonelo yezintambo. Resistors elisetshenziswa Kulokhu kuphela uhlobo evulekile. Kuyadingeka ukuba wandise nobuningi umkhawulo zedivayisi. Ngakho, isikhathi isignali ukusabela kuyoba njani emhlabeni 20 msec. Phakathi kwezinye izinto, idivayisi kufanele bacabangele ububanzi ukudluliswa. Ukuze wandise lokhu ipharamitha modulators ochwepheshe abaningi batusa kuphela ukusebenzisa indlela ekabili.

A imodeli esezingeni uhlobo

Yenza Uhlobo ye-USB-COM adaptha ngezandla impela nje ekhaya. Chip kulesi simo kungcono ukhethe uhlobo PP21. Misa inqubo unit ngeke kuphela ukusiza Converter. Ukuze operation evamile imodeli futhi kudingeka eliphezulu modulators. Ukuze kusho chips kubalulekile ukukhetha kuphela ongaphakeme-imvamisa hlobo. Konke lokhu eyobonisa kukho Ukusabela ukugcina ngezithuba 30 ms.

futhi ochwepheshe batusa ukusebenzisa ephansi amandla transistors for kangcono conductivity zamanje. Kulokhu, babophekile nomkhawulo voltage ukumelana ezingeni 3B. Ngokuvamile, lezi adapters mahle zonke izinhlobo abamukelayo. Ngaphezu kwalokho, zingase exhunywe kwi-radio Isixhumi hlobo SR101.

A imodeli mini-uhlobo

Adapters yalolu hlobo labo abazokwazi asekelayo nezakhiwo eziningi. Ngaphandle kwawo akunakwenzeka walala converters. Ngaphezu kwalokho kudingeka sithathe uchungechunge chip PP22. Zonke transistors kufanele libekwe ke ezintathu. Kulokhu, bobabili kufanele ibekwe eduze Lidlulisela. I modulator kulesi simo kubalulekile ukhethe uhlobo ishayela. isilinganiso isignali Ukusabela rate cishe 30 ms. Ukuze operation esitebeleni zedivayisi neuropathy ukuthi kwanele.

Ikhebula kuleli cala, kumele lulungiswe ngemuva chip. Kubalulekile ukuba uthinte modulator phakathi kwenqubo nokunamathisela ngomthofu. Transistors futhi okufanele kuhlale kuhlanzekile kugcinelwe. Interfacing izifunda olunikezwa imvamisa wendlale inzuzo. Ngokwesilinganiso, lokhu ipharamitha nxazonke 12 Hz. Abanye ochwepheshe ukweluleka ukusebenzisa yokukhulisa umsindo ukuze okwandisa conduction zamanje. Port kudivayisi axhumene zokugcina. Umshayeli USB-COM adaptha kuyakhethwa ngokwehlukile.

A imodeli uhlobo micro

Yenza Uhlobo intambo ye-USB-COM adaptha ngezandla zabo bebodwa kunzima. Lokhu kungenxa yokungabikho yokubakhona port angajwayelekile. Emazinga ngoba kufanele kuqinisekiswe kunalokho okusezingeni eliphezulu. Uma lokhu ipharamitha kuyinto isignali impendulo ubuncane kuyakuba 20 ms. Eceleni kufanele futhi sinake search for the Converter.

Ukuze wandise nobuningi sewashi idivayisi eziningi uhlobo yabo lesinesitfombe-sibuko ekhethiwe. Kulesi simo transistors akhethiwe endaweni ukuguqulwa esitolo evulekile. Ngokwesilinganiso bona ukumelana voltage at 3A. Kungenjalo, ungase ucabangele subtypes kuhlanganiswe. Konke lokhu ekugcineni ukwandisa isivinini impendulo lophansi.

Indlela yokwenza uhlobo adaptha esezingeni?

Linikezwa adaptha ikhebula zamadivayisi e-USB-COM kabani isixhumi uye uthayiphe RSR21. Endaweni yokuqala esitolo udinga ukuba ukhethe modulator. Kulesi simo, ungahlala phezu Analogue wangenela. Nokho, bandwidth ke oluphakeme ongaphakeme. Futhi, esikhathini esizayo kungase kube izinkinga ezithize wabuka agqagqene. Ukuze kuxazululwe le nkinga ethulwa, ungasebenzisa modulators vibrational.

asendleleni ezimakethe ngempela eqolo, kodwa ukuhlolwa kudivayisi libonisa ukuthi zinhle kakhulu. Okokuqala bayehluka khona oxhumana zethusi. Ngakho, i-conduction zamanje eliphakeme yabo. Phakathi kwezinye izinto, i-chip uhlobo PP20 okusebenza kahle. Port kulesi simo kubalulekile ukufaka zokugcina. Ngesikhathi esifanayo it is ekhethelwe ikhebula ngokwehlukile.

Adaptha yohlobo B mini

Ingabe le-USB adaptha COM usebenzisa RR220 uhlobo chip. Kulokhu, Converter kumele zikhethwe Resistor chromatique. Ngaphezu kwalokho, kubalulekile ukusebenzisa i modulator RF. Ukuze kwandiswe isignali isivinini impendulo, ochwepheshe abaningi batusa ukusebenzisa evulekile uhlobo transistors.

Nokho, bandwidth ka idivayisi kuyehla kakhulu. Ngenxa yalokho, ungase ube nenkinga yesikhathi nge kokufaka umshayeli idivayisi. An eyengeziwe ye-USB COM adaptha igibele Triger. I element ohlelweni unesibopho interfacing izifunda. Le nqubo ithatha indawo triode yegridi. imvamisa okhulisa ke kwandisa kakhulu. Port-adaptha kuyakhethwa ngaphandle isikhethi.

I micro uhlobo Model

Adapters uhlobo emelelwa abuthele ulula. Kufanele kuqala kuqashelwe ukuthi namuhla zithandwa kakhulu. Ziyakwazi efanelekayo wonke amadivayisi abe Isixhumi hlobo RSR 23. Transducers ifaniswe kuya chip kuphela ishayela hlobo. Kulokhu, lo transistors kungcono ukusebenzisa ejwayelekile. Nokho, ochwepheshe abaningi namanje makudle abo ukuvula-uhlobo nozakwabo.

komkhawulokudonsa sepharamitha ecaleni inikezwe kuzoya ngohlobo amplifier. Uma usebenzisa ukuguqulwa ongaphakeme-imvamisa, izinkinga ngesikhathi kudivayisi ngenakugwemeka. Ngakwelinye ihlangothi, nokulungiswa longitudinal kakhulu wamanje ipharamitha patency. Ikhebula kuleli cala soldered kuya chips Ukubika Inkinga YeWindows okukhiphayo.

Indlela ukhetha umuntu oyisibonelo esitolo?

Kufanele kukhethwe amadivayisi imvamisa high RSR21 Isixhumi hlobo adaptha. Layisha okungenani kufanele zigcinwe ngaso 3 A. babashayeli zethusi kufanele ngempela aphoqelelwe ukuba umoya-mpilo-free. Kulokhu kungenzeka uthembele idivayisi ezinhle strip edlulayo. Digital nezakhiwo adaptha liyadingeka silondoloze "Dolby" futhi "Uqinisile."

Ngakwelinye ihlangothi, uhlelo isiqophi kufanele asebenze ne 720r. Yokukhulisa umsindo amadivayisi ngokuvamile efakwe yokuxhumana. Nokho, kukhona eshibhile ukulungiswa analog kwezinye tinkhulumo. Udonga lwangaphandle imodeli kufanele kwenziwe PVC. Sepharamitha isivinini isignali impendulo ivuliwe isilinganiso azungeze 30 ms. Izindleko eliphezulu adaptha kuyinto ruble 2500.

Izici USB mini 4P

Wathi adaptha ye-USB COM (adaptha) kusuka kwamanye amadivayisi ungachazwa iqukethe modulator uhlobo double. Ngenxa yalokho, anoma ke kuhle kakhulu. amadivaysi lomsindo Le modeli Luhle. Unqamule kulokhu ayimisa phakathi. Ngoba njengoba sinjalo isignali kudivayisi isicelo yamandla aphezulu imvamisa. Sepharamitha isignali iphethini isivinini impendulo isezingeni 25 ms. Isilinganiso kudivayisi imvamisa inkomba sise emhlabeni 23 Hz. Ukuze ulungise samanje adaptha has a kugqame encane.

Model USB 1394B

Adapters yalolu hlobo bayakwazi ngizibonge kahle eliphezulu isivinini isignali Ukuphendula. I Converter kulokhu, kukhona imvamisa low. Futhi, modulator isethelwe imvamisa cutoff ka 23 Hz. Konke lokhu kwenza kube ngokushesha impela ekulinganiseni voltage input. Usekela amafomethi ezinkulu olunikezwa ukufakwa umshayeli idivayisi. Lo mshini kulokhu, kukhona uhlobo ishayela. Ngakwelinye ihlangothi, throughput eliphezulu yenziwe yaba khona ngokwandisa ipharamitha isizukulwane.

I yokuntula lokhu adaptha kuzomele sifake ongaphakeme ukugqagqana ububanzi. Ngenxa lokhu kungqubuzana ngokuvamile engavela ohlelweni lapho yokuxhuma okuphathelene nomngcele. Ngaphezu kwalokho, kufanele kuphawulwe ukuthi i-chip uyisibonelo uchungechunge isethi RR19. Ngenxa yalesi Lesisemkhatsini imvamisa ipharamitha akukaze kube kukhulu kune 30 Hz.

Kudivayisi USB TDK

Lokhu adaptha ye-USB COM kangcono axhumana nabo ku abamukelayo PC abafake isixhumi uhlobo RSR30. Transducer kuleli cala, sensitivity high isetshenziswa. Kulokhu, i-chip setha Meridional. Modulator wajoyina ngayo imvamisa yokusebenza 28 Hz. I okusezingeni eliphezulu idivayisi komkhawulokudonsa enikeziwe transistors qualitative.

Kufanele kuphawulwe ukuthi ukuphambuka kusukela Converter oluphakeme ezingavamile. Nokho, nemibi ngale adaptha isatholakala. Okokuqala, ukuthi yizinto ezihlobene ukufiphala wave. Ngenxa yalokho, kudivayisi ukuvumelanisa kungathatha kude umsebenzisi isikhathi esiningi.

USB-COM RS232

USB-COM RS232 adaptha isetshenziswa ukuxhuma amadivayisi nge nezixhumi uhlobo RSR21. Kulokhu, ukunakekelwa okukhethekile kufanele inikwe eliphezulu modulators. Uma le chip isetshenziswa apharathasi uhlobo PP21. Transistors le imodeli ukufakwa ifomu analog. komkhawulokudonsa Special, abazi kuhluke. Nokho, ijubane impendulo isignali ipharamitha y imelelwa i-adaptha 30 ms. Lokhu ngokwezinga elikhulu sasishaywe kufezwa ngokusebenzisa ukufakwa Lidlulisela enamandla.

Operating imvamisa uhlelo ngakwazi ukwakhela kulo at 23 Hz. Xhumana nathi kuleli cala, zethusi ezazisetshenziswa. Zonke nezakhiwo ezinkulu zisekelwa ohlelweni. Umshayeli USB-COM adaptha itholakala kusukela umakhi. Udonga lwangaphandle idivayisi senziwa ngokuphelele PVC. Kufanele okwengeziwe kuqashelwe ukuthi kuyinto ipharamitha umkhawulo imvamisa ncamashi 30 Hz. Kule ndaba, bandwidth kudivayisi impela high.

Ukuguqulwa USB MINI8M

Lokhu COM (echwebeni USB) adaptha efanelekayo amadivaysi lapho isixhumi has RSR26 chungechunge. Ikakhulukazi, la amamodeli kabanzi ukuxhuma umamukeli ku-PC. Ngaphezu kwalokho ukuguqulwa angase afakwe ku notebook. Ngobukhulu kuba icwecwe kakhulu. Imiphumela umenzi chip ihlinzeka uhlobo coaxial. Ukuzwela, lokhu imodeli akahlukile namanye amadivayisi. Kufanele okwengeziwe kuqashelwe ukuthi ipharamitha yokusebenza imvamisa kuba ngesikhathi Uqedile 21 Hz.

Kulokhu, lo conductivity we resistors akuyona eliphezulu kakhulu. Ngenxa yalokho, ijubane isignali impendulo ngokwesilinganiso 20 ms. Inkomba Model imvamisa Lesisemkhatsini simiswe 33 Hz. Modulators lokhu adaptha isetshenziswa Thermo. Wave ukuhlanekezela kuzo oluphakeme ezingavamile. Kufanele okwengeziwe kuqashelwe ukuthi lezi adapters ngokuvamile zihlushwa lokushisa eliphakeme. Zingasetshenziswa ezingeqi kwezingu-40 degrees.

Amapharamitha USB MINI8P

Lokhu COM (port -USB) adaptha uvame isethwe ku abamukelayo ezahlukene. yokusebenza imvamisa izinga ncamashi 25 Hz. Uma lokhu isiginali ijubane abasabela 40 ms. I Converter lasetshenziswa kule ndaba uhlobo nomkhiqizi nehromaticheskogo. Bandwidth kuye buthaka kakhulu. Nokho, umthwalo kungaba ukumelana mayelana 3 A. Ngale ndlela, ukuzinza kuqinisekiswa ezingeni eliphezulu, kanye transistors kule divayisi akuvamile ushise. Phakathi amaphutha Kumele kuqashelwe waba ukwanda okukhulu kwezincwadi ukukala amandlajubane. Lokhu kwenzeka ngoba rassinhron modulator.

Amadivayisi ne isixhumi ku isilawuli

USB-COM adaptha ubhekwa ezithandwa kakhulu nge isixhumi ku isilawuli kuze kube manje. Chips kungenziwa kukhethwe ezahlukene ngaye. Njengomthetho, ongaphakeme-imvamisa transducers zixhunywe. Lokhu kungenxa yokuthi ijubane isignali impendulo imodeli muhle. Modulators ngoba adapters yalolu hlobo iyosebenza meridional kuphela. Konke lokhu kuholela ekwandeni e nobuningi umkhawulo kuya ku-30 Hz. Nokho, ukuzinza kudivayisi zingalawulwa, uma ifakiwe ku-msindo imodeli.

Amamodeli nge esakhelwe idivayisi neuropathy

Adapters nge esakhelwe idivayisi neuropathy akuzona nomsebenzi omkhulu wokwakha. Okokuqala bona ngokuphelele ayifanele amanothibhuku. Ngaphezu kwalokho, i-chip babe PP13 kuphela uchungechunge ingasetshenziswa. Konke lokhu kugcina kubangele izinkinga eziningi. Ngokuyinhloko, kufanele kuqashelwe ongaphakeme Lesisemkhatsini imvamisa sokushona 10 Hz. Lokhu kungenxa yokungabi Resistor okokufaka ebhodini.

Futhi, izinkinga kulezi onobuhle ngokuvamile zivele ngenxa yokwehla elibukhali voltage. Lokhu kwenzeka uma umthwalo Converter idlula 3 A. Kodwa-ke, naphezu kwazo zonke bokwenza ngenhla, ne adapters esakhelwe zisekhona idivayisi neuropathy ewusizo uma kuziwa mayelana imishini ixhunywe ekhishwa RSR24.