Labarai

Dukansu Multiplexers da Masu Rarraba Wuta sune na'urori masu taimako don faɗaɗa adadin eriya waɗanda za'a iya haɗa su zuwa tashar mai karatu ɗaya. Ɗaya daga cikin manyan fa'idodin shine rage farashin aikace-aikacen UHF RFID ta hanyar raba kayan masarufi masu tsada. A cikin wannan gidan yanar gizon, mun bayyana bambance-bambance da abin da ake buƙatar la'akari lokacin zabar na'urar da ta dace don aikace-aikacenku.

Menene multiplexer da de-multiplexer?

Don fahimtar menene Multiplexer mai karanta RFID za mu yi saurin bayyana maƙasudin maƙasudin mahara (mux) da de-multiplexers (de-mux).

Multixer na'ura ce da ke zaɓar ɗaya daga cikin siginar shigarwa da yawa sannan ta tura shi zuwa fitarwa.

Demultiplexer shine na'urar da ke tura siginar shigarwa zuwa ɗaya daga cikin abubuwan da aka samo.

Duka multiplexer da de-multiplexer suna buƙatar sauyawa don zaɓar abubuwan da aka shigar da/ko abubuwan da aka fitar. Waɗannan maɓallan suna da ƙarfi, don haka mux da de-mux sune na'urori masu aiki.

Menene mai karanta RFID multiplexer?

Mai karanta RFID multiplexer na'ura ce wacce ke hade da mux da de-mux. Ya ƙunshi tashar shigarwa/fitarwa guda ɗaya da mashigai masu fitarwa da yawa. Ana haɗa tashar tashar mux/de-mux guda ɗaya zuwa mai karanta RFID yayin da aka keɓe manyan tashoshin jiragen ruwa don haɗin eriya.

Ko dai ta tura siginar daga tashar mai karanta RFID zuwa ɗaya daga cikin tashoshin fitarwa da yawa ko kuma ta tura sigina daga ɗaya daga cikin tashoshin shigar da yawa zuwa tashar mai karanta RFID.

Maɓallin da aka gina a ciki yana kula da sauyawar siginar tsakanin tashoshin jiragen ruwa da lokacin sauyawa.

Multixer na RFID yana ba da damar haɗin eriya da yawa zuwa tashar jiragen ruwa ɗaya na mai karanta RFID. Girman siginar da aka kunna ba ta da tasiri sosai, ko da kuwa yawan adadin tashar jiragen ruwa a cikin mux/de-mux.

Ta wannan hanyar, mai yawan tashar RFID mai tashar jiragen ruwa 8, alal misali, na iya mika mai karanta tashar jiragen ruwa 4 zuwa mai karanta RFID mai tashar 32.

Wasu nau'ikan kuma suna kiran mux ɗin su cibiya.

Menene mai rarraba wutar lantarki (power splitter) da mai haɗa wutar lantarki?

Mai rarraba wutar lantarki (Splitter) na'ura ce da ke rarraba wutar lantarki. Mai rarraba wutar lantarki mai tashar jiragen ruwa 2 yana raba ikon shigar da wutar lantarki zuwa fitarwa biyu. Girman ƙarfin yana raguwa a cikin tashoshin fitarwa.

Ana kiran mai rarraba wutar lantarki mai haɗa wuta idan aka yi amfani da shi a baya.

Anan akwai taƙaitaccen bayani game da bambance-bambance tsakanin mux da mai rarraba wutar lantarki:

MUX	MAI RABON WUTA
Mux zai sami asarar wutar lantarki akai-akai a cikin tashoshin jiragen ruwa ba tare da la'akari da adadin tashoshin jiragen ruwa ba. Mai tashar jiragen ruwa 4, tashar jiragen ruwa 8, da mux mai tashar jiragen ruwa 16 ba za su sami asarar daban-daban a kowane tashar jiragen ruwa ba.	Mai rarraba wutar lantarki zai raba wutar zuwa ½ ko ¼ ya danganta da adadin tashar jiragen ruwa da ake da su. Ana samun raguwar wutar lantarki mafi girma a kowace tashar jiragen ruwa yayin da aka ƙara yawan tashar jiragen ruwa.
Mux shine na'ura mai aiki. Yana buƙatar ikon DC da siginar sarrafawa don aiki.	Mai rarraba wutar lantarki shine na'ura mara amfani. Ba ya buƙatar ƙarin shigarwar fiye da shigarwar RF.
Ba duk tashoshin jiragen ruwa a cikin mux mai yawan tashar jiragen ruwa ake kunna su a lokaci guda ba. Ana kunna wutar RF tsakanin tashoshin jiragen ruwa. Eriya daya da aka haɗa kawai za a sami kuzari a lokaci guda, kuma saurin sauyawa yana da sauri sosai ta yadda eriya ba zata rasa alamar karantawa ba.	Duk tashoshin jiragen ruwa a cikin mai rarraba wutar lantarki mai yawan tashar jiragen ruwa suna samun wutar daidai kuma a lokaci guda.
An samu keɓancewa sosai tsakanin tashoshin jiragen ruwa. Wannan yana da mahimmanci don gujewa karanta alamar giciye tsakanin eriya. Warewa yawanci yana cikin kewayon 35 dB ko fiye.	Keɓewar tashar jiragen ruwa kaɗan ne idan aka kwatanta da Mux. Yawan keɓewar tashar jiragen ruwa yana kusa da 20 dB ko fiye. Ƙirar alamar karantawa na iya zama matsala.
Yana da ƙarancin tasiri ko ba shi da tasiri a cikin katako ko sokewar eriya.	Lokacin da ba a yi amfani da mai rarraba wutar lantarki ta hanyar da ta dace ba, filayen RF na iya sokewa, kuma za a iya canza katakon RF na eriya sosai.
Babu ƙwarewar RF da ake buƙata don shigar da Mux. Mux dole ne a sarrafa shi ta software na mai karanta RFID.	Ƙwarewar RF yana da mahimmanci don shigar da masu rarraba wutar lantarki da kuma cimma mafita mai aiki. Mai rarraba wutar da aka shigar ba daidai ba zai lalata aikin RF sosai.
Babu canjin eriya na al'ada da zai yiwu	Canjin eriya na al'ada yana yiwuwa. Ana iya canza nisa-bim na Eriya, kusurwar katako, da sauransu.

Si Chuan Keenlion Microwave babban zaɓi, yana rufe mitoci daga 0.5 zuwa 50 GHz. An ƙera su don ɗaukar ikon shigar da wutar lantarki daga 10 zuwa 200 watts a cikin tsarin watsawa na 50-ohm. Ana amfani da ƙirar cavity, kuma an inganta su don mafi kyawun aiki.

Yawancin samfuranmu an ƙirƙira su ne ta yadda za a iya ɗora su zuwa ƙasa zuwa heatsink, idan ya cancanta. Har ila yau, suna da girman girman girma da ma'aunin lokaci, suna da babban iko, matakan keɓewa masu kyau sosai kuma sun zo tare da marufi mai karko.

Hakanan zamu iya keɓance samfurin rf m gwargwadon buƙatun ku. Kuna iya shigar dakeɓancewashafi don samar da ƙayyadaddun bayanai da kuke buƙata.