Wilkinson ikon rarrabawamai rarraba wutar lantarki ne. Lokacin da duk tashoshin jiragen ruwa suka daidaita, zai iya gane keɓe tsakanin tashoshin fitarwa guda biyu. Kodayake ana iya tsara mai rarraba wutar lantarki na Wilkinson don gane kowane rabon iko (misali, duba Pozar [1]), wannan misalin zai yi nazarin yanayin rabo daidai (3dB). Za a yi amfani da FDTD don samun sigogin watsawa na na'urar.
Wilkinson ikon rarrabawaAnalog Saituna
Ana amfani da rukunin tsarin "trace da load" a cikin fayil ɗin kwaikwayo na FDTD Wilkinson_power_ divider. An gina sigogi na zahiri da na lantarki na mai rarraba wutar lantarki na Wilkinson kuma an saita su a fsp. An tsara layin watsawa na microstrip ta amfani da farantin rectangular mai girma mai girma biyu (PEC) wanda aka sanya akan kauri mai kauri 1.59mm tare da madaidaicin dielectric na dangi na 2.2. Ana ƙididdige faɗin faɗin da ake buƙata na kowane ɓangaren layin watsawa ta amfani da ma'auni. 3.195 da 3.197 a cikin Pozar [1] (duba fayil ɗin rubutun microstrip.lms a misalin microstrip) sune 4.9mm (Z0=50 ohms) da 2.804 mm (√ 2Z0=70.7 ohms) bi da bi. An gina layin watsa tsawon zangon kwata ta amfani da polygons 2D da aka kafa zuwa zobe. 3.194 a cikin Pozar [1] shine λ g/4 = 55.5 mm. An ƙirƙiri resistor ta amfani da farantin rectangular 2D wanda ke ƙayyadadden abu mai R=100 ohms.
Ana sanya tashar jiragen ruwa a kan abubuwan shigarwa da fitarwa don shigar da yanayin layin watsawa a cikin kewayon mitar 0.5 - 1.5 GHz da lissafin ma'auni na watsawa na kayan aiki. Don ƙarin cikakkun bayanai kan saitunan sa, duba shafin Ports. Kamar yadda aka bayyana a ƙasa, za a canza tashar tashar tashar da hannu zuwa wuta ɗaya tashoshi a lokaci ɗaya.
Ana sanya yankin kewayon raga akan kowace waƙa don warware tsayinta da faɗinta. Ƙimar lanƙwasawa da kusurwar alamar reshe suna buƙatar girman grid a cikin kwatance x da y su zama daidai (dx=dy). Wannan ba takura ba ne akan hanyoyin ciyarwa da fitarwa masu daidaitawa zuwa ga ma'aunin daidaitawa. Ana sanya kwafin yanki mai ɗaukar raga da aka yi amfani da shi don bin diddigin reshe zuwa dama na alamar fitarwa don kula da raga mai ma'ana.
Yanayin shayarwa na PML yana kewaye da duk yankin siminti, ban da iyaka mafi ƙarancin z, wanda aka sanya shi azaman yanayin iyakar ƙarfe wanda ke kwatanta jirgin ƙasa na layin watsa microstrip.
Wilkinson ikon rarrabawa Sakamako da bincike
Hoton da ke sama yana nuna mitar amsawar sifofin watsawa da aka yi amfani da su don keɓancewa da simintin watsawa da rarraba wutar lantarki a 1GHz. Rubutun ne ke samar da waɗannan lambobin bayan an gama simintin. Ya kamata a lura cewa waɗannan sakamakon za a iya samun su a kan yanayin ta hanyar yin amfani da mafi kyawun raga fiye da waɗanda aka ƙayyade a cikin fayil na kwaikwayo.
AnalogWilkinson ikon rarrabawayana da kyau a shigar da shi (S11 = - 40dB, f = 1.0GHz) da fitarwa (S22=- 32dB, f=1GHz) tashar jiragen ruwa, yana da keɓance mai kyau (S32=- 43dB, f=1GHz), kuma mitar ta tsakiya shine 1.01GHz, wanda ke tsakanin 1% na ƙirar mitar aiki na 1GHz. Bugu da kari, mun lura 3dB daidai rabon wutar lantarki (S31=- 3dB a f=1GHz) tare da canjin kasa da 10% a cikin mitar mitar analog.
Si Chuan Keenlion Microwave babban zaɓi a cikin kunkuntar bandeji da saitunan watsa shirye-shirye, yana rufe mitoci daga 0.5 zuwa 50 GHz. An ƙera su don sarrafa daga 10 zuwa 30 watts ikon shigar da wutar lantarki a cikin tsarin watsawa na 50-ohm. Ana amfani da ƙirar microstrip ko tsiri, kuma an inganta su don mafi kyawun aiki.
Hakanan zamu iya keɓance Mai Rarraba Wuta gwargwadon buƙatunku. Kuna iya shigar dakeɓance shafin don samar da ƙayyadaddun bayanai da kuke buƙata.
Sichuan Keenlion Microwave Technology Co., Ltd.
Imel:
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Lokacin aikawa: Dec-06-2022
