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Njengeyona nxalenye isisiseko ye-Intanethi yetekhnoloji yeZinto, iithegi ze-UHF RFID ezisetyenziswayo zisetyenziswe ngokubanzi kwinani elikhulu lezicelo ezinje ngokuthengisa kwivenkile enkulu, izinto kunye nogcino, ugcino lweencwadi, ukulandelelwa kokuchasana nomgunyathi, njl.njl. Kuphela ngo-2021, kwihlabathi jikelele. imali yokuthumela ingaphezulu kwe-20 yezigidigidi.Kusetyenziso olusebenzayo, yintoni kanye kanye itshiphu yethegi ye-UHF RFID exhomekeke kuyo ekuboneleleni amandla?

Iimpawu zonikezelo lwamandla ze-UHF RFID tag yokwenziwa

1. Ixhaswe ngamandla angenazingcingo

Ugqithiso lwamandla angenangcingo lusebenzisa imitha ye-electromagnetic engasebenziyo ukuhambisa amandla ombane ukusuka kwenye indawo ukuya kwenye.Inkqubo yokusebenza kukuguqula amandla ombane abe ngamaza kanomathotholo ngokusebenzisa i-oscillation yamaza kanomathotholo, kwaye amandla erediyo yerediyo aguqulwa abe ngamandla ombane ombane werediyo nge-eriyali yothumelo.Amandla erediyo ye-electromagnetic field asasaza esithubeni kwaye afikelele kwi-eriyali eyamkelayo, emva koko iguqulelwe kumandla kanomathotholo ngokufumana i-eriyali, kwaye i-antenna yokufumanisa iba ngamandla eDC.

Ngo-1896, i-Italian Guglielmo Marchese Marconi yavelisa unomathotholo, owathi waqonda ukusasazwa kwemiqondiso yerediyo kwindawo yonke.Ngo-1899, u-American Nikola Tesla wacebisa imbono yokusebenzisa ukuhanjiswa kwamandla ngaphandle kwamacingo, kwaye waseka i-eriyali eyi-60m-uphezulu, i-inductance elayishwe kwi-botton, i-capacitance elayishwe phezulu e-Colorado, usebenzisa i-frequency ye-150kHz ukufaka i-300kW yamandla.Isasaza kumgama ofikelela kuma-42km, kwaye ifumana i-10kW yamandla okufumana amandla ngaphandle kwamacingo ekupheleni kokuwamkela.

I-UHF RFID i-passive tag yonikezelo lwamandla ilandela le ngcamango, kwaye umfundi unikezela amandla kwithegi ngokusebenzisa amaza kanomathotholo.Nangona kunjalo, kukho umahluko omkhulu phakathi konikezelo lwamandla ombane we-UHF RFID kunye novavanyo lweTesla: amaxesha ngamaxesha aphantse abe lishumi lamawaka ngaphezulu, kwaye ubungakanani be-eriyali buncitshiswe izihlandlo eziliwaka.Ekubeni ilahleko yothumelo lwe-wireless ilingana nesikwere se-frequency kunye nokulinganisa kwisikwere somgama, kucacile ukuba ukwanda kwelahleko yokudluliselwa kukhulu.Eyona ndlela ilula yokusasaza ngaphandle kwamacingo kukusasazwa kwendawo esimahla.Ilahleko yosasazo ilungelelene ngokuphambeneyo kwisikwere somgama osasazwayo kunye nolungelelwaniso lwesikwere somgama.Ilahleko yokwandisa indawo ekhululekileyo yi-LS=20lg(4πd/λ).Ukuba iyunithi yomgama d ngu-m kunye neyunithi ye-frequency f yi-MHz, ngoko LS= -27.56+20lgd+20lgf.

Inkqubo ye-UHF RFID isekwe kumatshini wokuhambisa amandla ngaphandle kwamacingo.Ithegi yokwenziwa ayinalo unikezelo lwamandla ayo.Kufuneka ifumane amandla kanomathotholo akhutshwa ngumfundi kwaye iseke ubonelelo lombane lwe-DC ngokuphinda-phindwe ulungiso lwamandla ombane, okuthetha ukuseka ubonelelo lwamandla e-DC ngempompo yokutshaja kaDickson.

Umgama wonxibelelwano osebenzayo we-UHF RFID ujongano lomoya umiselwa ikakhulu ngamandla othumelo omfundi kunye nelahleko esisiseko yokusasaza esithubeni.UHF band RFID umfundi ohambisa amandla adla ngokulinganiselwa kwi-33dBm.Ukusuka kwisiseko sefomula yelahleko yosasazo, ukungahoyi nayiphi na enye ilahleko enokwenzeka, amandla eRF afikelela kwithegi ngosasazo lwamandla angenazingcingo angabalwa.Ubudlelwane phakathi komgama wonxibelelwano we-UHF RFID ujongano lomoya kunye nesiseko selahleko yosasazo kunye namandla eRF afikelela kwithegi kubonisiwe kwitheyibhile:

Inokubonwa kwitheyibhile ukuba i-UHF RFID yokuhanjiswa kwamandla ngaphandle kwamacingo ineempawu zelahleko enkulu yothumelo.Ekubeni i-RFID ihambelana nemithetho yelizwe yonxibelelwano lomgama omfutshane, amandla okuhambisa omfundi alinganiselwe, ngoko ithegi inokubonelela ngamandla aphantsi.Njengoko umgama wonxibelelwano usanda, amandla osasazo lukanomathotholo afunyenwe yithegi yokwenziwa ayancipha ngokokuphindaphinda, kwaye nomthamo wombane wehla ngokukhawuleza.

2. Sebenzisa unikezelo lwamandla ngokutshaja kunye nokukhupha ii-capacitors zokugcina amandla kwi-chip

(1) Intlawulo ye-Capacitor kunye neempawu zokukhupha

Iithegi ze-Passive tags zisebenzisa ukuhanjiswa kwamandla okungenazingcingo ukufumana amandla, ukuguqulela kumbane we-DC, ukutshaja kunye nokugcina i-on-chip capacitors, kwaye ke unikeze amandla kumthwalo ngokukhutshwa.Ke ngoko, inkqubo yonikezelo lwamandla yeethegi ze-passive yinkqubo yokutshaja kwe-capacitor kunye nokukhupha.Inkqubo yokusekwa yinkqubo yokutshaja esulungekileyo, kwaye inkqubo yonikezelo lombane yinkqubo yokukhupha neyokutshaja okongeziweyo.Ukutshaja okongeziweyo kufuneka kuqale phambi kokuba umbane wokukhupha ufikelele kumbane ophantsi wonikezelo lwetshiphu.

(2) Intlawulo ye-Capacitor kunye neeparamitha zokukhupha

1) Iiparamitha zokutshaja

Ubude bexesha lokutshaja: τC=RC×C

Umbane wokutshaja:

ukutshaja okwangoku:

apho i-RC i-resistor yokutshaja kunye ne-C yi-capacitor yokugcina amandla.

2) Iiparamitha zokukhupha

Ubude bexesha lokukhupha: τD=RD×C

Umbane wokukhupha:

Ukukhutshwa kwangoku:

Kwifomula, i-RD ikukuchasa ukukhutshwa, kwaye i-C yi-capacitor yokugcina amandla.

Oku ngasentla kubonisa iimpawu zobonelelo lwamandla eethegi zokwenziwa.Ayingomthombo wamandla ombane oqhubekayo okanye umthombo oqhubekayo wangoku, kodwa ukutshaja kunye nokukhutshwa kwe-capacitor yokugcina amandla.Xa i-capacitor yokugcina amandla kwi-chip ihlawuliswa ngaphezu kwe-voltage esebenzayo ye-V0 yesekethe ye-chip, inokubonelela ngamandla kwithegi.Xa i-capacitor yokugcina amandla iqala ukunika amandla, amandla ayo ombane aqala ukuhla.Xa iwela ngaphantsi kwe-voltage yokusebenza kwe-chip V0, i-capacitor yokugcina amandla ilahlekelwa amandla ayo okubonelela kwaye i-chip ayikwazi ukuqhubeka nokusebenza.Ke ngoko, ithegi yojongano lomoya kufuneka ibe nomthamo owaneleyo wokutshaja ithegi.

Ingabonwa ukuba imowudi yonikezelo lwamandla yeethegi ze-passive ifanelekile kwiimpawu zonxibelelwano oluqhumayo, kwaye unikezelo lwamandla lweethegi ze-passive nalo lufuna inkxaso yokutshaja okuqhubekayo.

3 Ibhalansi yokubonelela kunye nemfuno

Umbane wokutshaja odadayo yenye indlela yonikezelo lwamandla, kunye nomthamo wonikezelo lombane wokutshaja odadayo ulungelelwaniswa nomthamo wokukhupha.Kodwa zonke zinengxaki efanayo, oko kukuthi, unikezelo lwamandla e-UHF RFID iithegi zokungena kufuneka zilungelelanise ukubonelela kunye nemfuno.

(1) Unikezelo kunye nemfuno ibhalansi yonikezelo lwamandla imowudi yonxibelelwano oluqhumayo

Umgangatho wangoku we-ISO/IEC18000-6 we-UHF RFID iithegi zokungenzi nto zezonxibelelwano oluqhumayo.Kwiithegi ze-passive tag, akukho signali ithunyelwa ngexesha lokufumana.Nangona ixesha lokuphendula lifumana i-carrier wave, lilingana nokufumana umthombo we-oscillation, ngoko unokuthathwa njengomsebenzi olula.Indlela.Kwesi sicelo, ukuba ixesha lokufumana lisetyenziswe njengexesha lokutshaja kwe-capacitor yokugcina amandla, kwaye ixesha lokuphendula lixesha lokukhutshwa kwe-capacitor yokugcina amandla, inani elilinganayo lentlawulo kunye nokukhutshwa ukugcina ibhalansi yokubonelela kunye nemfuno iba. imeko eyimfuneko yokugcina ukusebenza okuqhelekileyo kwenkqubo.Iyakwazi ukwaziwa ukusuka kwindlela yonikezelo lwamandla yethegi ekhankanywe ngasentla ye-UHF RFID yokuba unikezelo lwamandla lwethegi ye-UHF RFID ayingomthombo oqhubekayo wangoku okanye umthombo wamandla ombane oqhubekayo.Xa i-tag yokugcina amandla e-capacitor ihlawuliswa kwi-voltage ephezulu kune-voltage eqhelekileyo yokusebenza kwesekethe, ukunikezelwa kwamandla kuqala;xa i-tag yokugcina amandla e-capacitor ikhutshwe kwi-voltage ephantsi kune-voltage yokusebenza eqhelekileyo yesekethe, ukunikezelwa kwamandla kumisiwe.

Kunxibelelwano oluqhumayo, olunje nge-passive tag ye-UHF RFID ujongano lomoya, intlawulo inokuhlawuliswa ngaphambi kokuba ithegi ithumele ukugqabhuka kwempendulo, ngokwaneleyo ukuqinisekisa ukuba i-voltage eyaneleyo inokugcinwa de impendulo igqitywe.Ke ngoko, ukongeza kwimitha yerediyo yerediyo eyomelele ngokwaneleyo enokuthi ifumaneke ithegi, i-chip iyafuneka ukuba ibe ne-on-chip enkulu ngokwaneleyo kunye nexesha elaneleyo lokutshaja.Impendulo yethegi yokusetyenziswa kwamandla kunye nexesha lokuphendula kufuneka lilungelelaniswe.Ngenxa yomgama phakathi kwethegi kunye nomfundi, ixesha lokuphendula lahlukile, indawo ye-capacitor yokugcina amandla ilinganiselwe kunye nezinye izinto, kunokuba nzima ukulinganisa ukubonelela kunye nemfuno kulwahlulo lwexesha.

(2) Imowudi yonikezelo lwamandla adadayo kunxibelelwano oluqhubekayo

Ukunxibelelana okuqhubekayo, ukuze kugcinwe ukunikezelwa kwamandla angaphazamisekiyo kwi-capacitor yokugcina amandla, kufuneka ikhutshwe kwaye ihlawulwe ngexesha elifanayo, kwaye isantya sokutshaja sifana nesantya sokukhupha, oko kukuthi, amandla okubonelela ngombane agcinwe ngaphambi kokuba uhlawule. unxibelelwano luphelisiwe.

Ukuchongwa kwethegi ye-Passive ikhowudi yerediyo kunye ne-UHF RFID ithegi yokwenziwa komgangatho wangoku we-ISO/IEC18000-6 uneempawu ezifanayo.I-tag efumana i-tag yelizwe kufuneka ithotywe kwaye ihlaziywe, kwaye imeko yempendulo kufuneka imodareyithwe kwaye ithunyelwe.Ngoko ke, kufuneka iyilwe ngokonxibelelwano oluqhubekayo.Inkqubo yonikezelo lwamandla etshiphu yethegi.Ukuze intlawulo yokutshaja ifane nesantya sokukhupha, uninzi lwamandla afunyenwe yithegi kufuneka asetyenziswe ukutshaja.

Izibonelelo zeRF ekwabelwana ngazo

1. Isiphelo se-RF sangaphambili sethegi yokwenziwa

Iithegi zePassive azisetyenziswanga kuphela njengomthombo wamandla weethegi kunye namakhadi eposi kumandla kanomathotholo avela kubafundi, kodwa okona kubaluleke kakhulu, ukuhanjiswa komqondiso womyalelo ukusuka kumfundi ukuya kwithegi kunye nokuhanjiswa komqondiso wempendulo ukusuka kwithegi ukuya kumfundi. yenzeke ngokugqithisela idatha engenazingcingo.Amandla kanomathotholo afunyenwe yithegi kufuneka ahlulwe abe ngamacandelo amathathu, asetyenziswa ngokulandelelana kwi-chip ukuseka unikezelo lwamandla, ukuphelisa umqondiso (kubandakanya umqondiso womyalelo kunye newotshi yongqamaniso) kwaye unike umthwali wokuphendula.

Indlela yokusebenza yomgangatho wangoku we-UHF RFID inezi mpawu zilandelayo: i-downlink channel ithatha indlela yokusasaza, kwaye i-uplink channel ithatha indlela yokwabelana nge-tag yokwabelana ngempendulo yokulandelelana kwesiteshi esisodwa.Ke ngoko, ngokwendlela yokuhanjiswa kolwazi, yeyendlela yokusebenza elula.Nangona kunjalo, ekubeni ithegi ngokwayo ayikwazi ukubonelela umthumeli wothumelo, impendulo yethegi kufuneka inike umthwali ngoncedo lomfundi.Ngoko ke, xa ithegi iphendula, ngokubhekiselele kwimeko yokuthumela, zombini iziphelo zonxibelelwano zikwimeko esebenza kabini.

Kwiindawo ezahlukeneyo zokusebenza, iiyunithi zesekethe ezifakwe emsebenzini ngethegi zahlukile, kwaye amandla afunekayo ukuze iiyunithi zesekethe ezahlukeneyo zisebenze nazo zahlukile.Onke amandla avela kumandla kanomathotholo afunyenwe yithegi.Ke ngoko, kuyimfuneko ukulawula ukuhanjiswa kwamandla eRF ngokufanelekileyo kwaye xa kufanelekile.

2. Ukusetyenziswa kwamandla eRF kwiiyure zokusebenza ezahlukeneyo

Xa ithegi ingena kwibala leRF yomfundi kwaye iqala ukwakha amandla, nokuba umfundi uthumela luphi uphawu ngeli xesha, ithegi iya kubonelela ngawo onke amandla eRF afunyenweyo kwisekethe yokuphinda-phinda-phinda-phinda-phinda-phinda-phinda-phinda-phinda-phinda-phinda kombane ukutshaja i-capacitor yokugcina amandla kwi-chip. , ngaloo ndlela kusekwa unikezelo lwamandla lwetshiphu.

Xa umfundi ehambisa isignali yomyalelo, isignali yokudlulisa umfundi yisignali ekhowudiweyo yidatha yomyalelo kunye ne-amplitude ehlengahlengiswa ngokulandelelana kwe-spectrum.Kukho amacandelo omphathi kunye namacandelo e-sideband amele idatha yomyalelo kunye nokusabalalisa ulandelelwano lwe-spectrum kwisiginali efunyenwe yithegi.Amandla ewonke, amandla omphathi, kunye namacandelo ebhendi esecaleni yesiginali efunyenweyo anxulumene nokumodareyitha.Ngeli xesha, icandelo lokumodareyitha lisetyenziselwa ukuhambisa ulwazi lolungelelwaniso lomyalelo kunye nolandelelwano lwe-spectrum esasazekayo, kwaye amandla ewonke asetyenziselwa ukuhlawula i-capacitor yokugcina amandla e-chip, eqala ngaxeshanye ukubonelela amandla kwi-chip. ungqamaniso extraction sesekethe kunye nomyalelo isignali demodulation iyunithi yesekethe.Ke ngoko, ngexesha apho umfundi ethumela umyalelo, amandla kanomathotholo afunyenwe yithegi asetyenziselwa ithegi ukuba iqhubeke nokuhlawulisa, ukukhupha isiginali yongqamaniso, ukudiliza kunye nokuchonga umqondiso womyalelo.I-tag yokugcina amandla e-capacitor ikwimeko yonikezelo lwamandla entlawulo edadayo.

Xa ithegi iphendula kumfundi, umqondiso ogqithisiweyo womfundi luphawu oluhlengahlengiswa yi-amplitude ye-spectrum yokusabalalisa i-spektrum spektrum rate sub-rate clock.Kwisiginali efunyenwe yithegi, kukho amacandelo omphathi kunye namacandelo ebhendi esecaleni emele ukusasazeka kwewotshi yesantya sewotshi esezantsi.Ngeli xesha, icandelo lokumodareyitha lisetyenziselwa ukuhambisa ireyithi ye-chip kunye nolwazi lwewotshi yesantya sokulandelelana kwe-spectrum, kwaye amandla ewonke asetyenziselwa ukuhlawula i-capacitor yokugcina amandla kwi-chip kunye nokulungelelanisa idatha efunyenweyo kwaye ithumele impendulo umfundi.Isekethe yokutsalwa kwetshiphu yongqamaniso kunye neyunithi yonikezelo lombane wesiginali yempendulo yohlengahlengiso lwesekethe.Ke ngoko, ngexesha apho umfundi efumana impendulo, ithegi ifumana amandla erediyo yerediyo kwaye isetyenziselwa ithegi ukuqhubeka nokutshaja, isiginali yokuvumelanisa i-chip iyakhutshwa kwaye idatha yempendulo imodulilwe kwaye impendulo ithunyelwa.I-tag yokugcina amandla e-capacitor ikwimeko yonikezelo lwamandla entlawulo edadayo.

Ngamafutshane, ukongeza kwithegi yokungena kwindawo yeRF yomfundi kunye nokuqalisa ukuseka ixesha lonikezelo lwamandla, ithegi iya kubonelela ngawo onke amandla eRF afunyenweyo kwisekethe yokuhlaziya amandla ombane ukutshaja i-capacitor yokugcina amandla kwi-chip, ngaloo ndlela kusekwe. unikezelo lwamandla etshiphu.Emva koko, ithegi ikhupha ungqamaniso ukusuka kwisiginali yerediyo efunyenweyo, iphumeza ukuthotywa komyalelo, okanye imodareyitha kwaye idlulise idatha yokuphendula, yonke leyo isebenzisa amandla onomathotholo afunyenweyo.

3. Iimfuno zamandla eRF kwizicelo ezahlukeneyo

(1) Iimfuno zamandla eRF zothumelo lwamandla angenazingcingo

Ukuhanjiswa kwamandla okungenazingcingo kuseka unikezelo lwamandla kwithegi, ngoko ke kufuna zombini amandla ombane owaneleyo ukuqhuba isekethe ye-chip, kunye namandla aneleyo kunye nekhono lonikezelo lombane oluqhubekayo.

Unikezelo lwamandla othumelo lwamandla angenazingcingo kukuseka ubonelelo lwamandla ngokufumana amandla e-RF endle omfundi kunye nokulungiswa kombane ophindwe kabini xa ithegi ingenawo umbane.Ke ngoko, uvakalelo lwayo lokufumana lukhawulelwe kukuhla kwamandla ombane kwityhubhu ye-diode ebonwa ngaphambili.Kwiitshiphusi ze-CMOS, uvakalelo lokufumana ukuphinda-phindwe kabini kombane kuPhakathi kwe--11 kunye ne--0.7dBm, ngumqobo weethegi zokwenziwa.

(2) Iimfuno zamandla e-RF zokufumana umqondiso ofunyenweyo

Ngelixa ukulungiswa kombane ophindwe kabini kuseka unikezelo lwamandla etshiphu, ithegi kufuneka yahlule inxalenye yamandla kanomathotholo afunyenweyo ukubonelela ngesekethe yokubona umqondiso, kubandakanywa ukubhaqwa komqondiso womyalelo kunye nokufunyanwa kwewotshi ehambelanayo.Ngenxa yokuba ukuchongwa komqondiso kwenziwa phantsi kwemeko yokuba unikezelo lwamandla lwethegi lusekiwe, ubuntununtunu bokunciphisa abukhawulelwanga kukuhla kombane wetyhubhu ye-diode yokubona isiphelo, ngoko ke uvakalelo lokufumana luphezulu kakhulu kunamandla angenazingcingo. Ugqithiso olufumana ubuntununtunu, kwaye luphawu lokubona i-amplitude yomqondiso, kwaye akukho mfuneko yamandla ombane.

(3) Iimfuno zamandla eRF kwimpendulo yethegi

Xa ithegi iphendula ekuthumeleni, ukongeza ekufumaneni iwotshi ehambelanayo, iphinda ifune ukwenza i-pseudo-PSK yokumodareyitha kwi-carrier efunyenweyo (equlethe imvulophu yokumodareyitha iwotshi) kwaye iqonde ukuhanjiswa kwe-reverse.Ngeli xesha, inqanaba elithile lamandla liyadingeka, kwaye ixabiso layo lixhomekeke kumgama womfundi kwithegi kunye novakalelo lomfundi ukufumana.Ekubeni indawo yokusebenza yomfundi ivumela ukusetyenziswa koyilo oluntsonkothileyo ngakumbi, umamkeli unokuphumeza uyilo olusezantsi lwengxolo yangaphambili, kwaye ukwahlulahlula ikhowudi yokuchongwa kwefrikhwensi yerediyo isebenzisa ukumodareyitha kwe-spectrum, kunye nokuzuza kwe-spectrum kunye nokuzuza kwenkqubo ye-PSK. , ubuntununtunu bomfundi busenokwenziwa ukuba buphakame ngokwaneleyo.Ukuze iimfuno zesignali yokubuyisela ileyibhile ziyancipha ngokwaneleyo.

Ukuqukumbela, amandla kanomathotholo afunyenwe yithegi ikakhulu abelwa njengamandla ombane ogqithiso lwamandla angenazingcingo aphindiweyo, kwaye ke isixa esifanelekileyo senqanaba lokufumanisa uphawu lwethegi kunye nesixa esifanelekileyo sokumodareyitha amandla abelwe ukuphumeza amandla afanelekileyo. ukusabalalisa kunye nokuqinisekisa ukutshaja okuqhubekayo kwe-capacitor yokugcina amandla.luyilo olunokwenzeka nolusengqiqweni.

Inokubonwa ukuba amandla kanomathotholo afunyanwa ziithegi zokwenziwa aneemfuno ezahlukeneyo zesicelo, ngoko ke uyilo losasazo lwamandla kanomathotholo luyafuneka;iimfuno zosetyenziso lwamandla kanomathotholo ngamaxesha ahlukeneyo okusebenza zahlukile, ngoko ke kuyafuneka ukuba ube noyilo lokuhambisa amandla kanomathotholo ngokweemfuno zamaxesha ohlukeneyo okusebenza;Usetyenziso olwahlukeneyo luneemfuno ezahlukeneyo zamandla eRF, apho ukuhanjiswa kwamandla angenazingcingo kufuna awona mandla awona mandla, ngoko ke ulwabiwo lwamandla eRF kufuneka lugxile kwiimfuno zothumelo lwamandla angenazingcingo.

Iithegi ze-UHF RFID ezisebenzayo zisebenzisa ukuhanjiswa kwamandla okungenazingcingo ukuseka unikezelo lwamandla lwethegi.Ke ngoko, ukusebenza kakuhle konikezelo lwamandla kuphantsi kakhulu kwaye amandla ombane abuthathaka kakhulu.I-tag chip kufuneka iyilwe ngokusetyenziswa kwamandla aphantsi.I-chip circuit inikwe amandla ngokutshaja kunye nokukhupha i-capacitor yokugcina amandla kwi-chip.Ngoko ke, ukwenzela ukuba kuqinisekiswe ukusebenza okuqhubekayo kwelebula, i-capacitor yokugcina amandla kufuneka ihlawulwe ngokuqhubekayo.Amandla kanomathotholo afunyenwe yithegi anezicelo ezithathu ezahlukeneyo: ukulungiswa kombane ophindwe kabini kunikezelo lwamandla, ulwamkelo lomyalelo wokwamkela kunye nokwehlisa, kunye nokumodareyitha kwesiginali yempendulo kunye nokuhanjiswa.Phakathi kwazo, ukufumana ubuntununtunu bokuphinda-phindwe kabini kombane kuthintelwe kukuhla kombane we-diode yokuhlaziya, ethi ibe lujongano lomoya.umqobo.Ngesi sizathu, ulwamkelo lomqondiso kunye nokuthotywa kunye nokumodareyithwa kophawu lokuphendula kunye nokuhanjiswa yimisebenzi esisiseko ekufuneka iqinisekise inkqubo yeRFID.Okona kunamandla amandla obonelelo lwamandla ethegi yokuhlaziya i-voltage ephindwe kabini, kokukhona imveliso ikhuphisana ngakumbi.Ke ngoko, ikhrayitheriya yokusasaza ngokufanelekileyo amandla eRF afunyenweyo kuyilo lwenkqubo yethegi kukwandisa unikezelo lwamandla eRF ngokulungiswa kombane ophindwe kabini kangangoko kunokwenzeka kwisiseko sokuqinisekisa ukuthotywa kophawu olufunyenweyo kunye nokuhanjiswa kwempendulo. uphawu.