Mai raba wutar lantarki na Wilkinsonda'irar raba wutar lantarki ce. Lokacin da aka daidaita dukkan tashoshin jiragen ruwa, zai iya gano warewar tsakanin tashoshin fitarwa guda biyu. Kodayake ana iya tsara mai raba wutar lantarki na Wilkinson don cimma kowace rarraba wutar lantarki (misali, duba Pozar [1]), wannan misalin zai yi nazarin yanayin rarraba daidai (3dB). Za a yi amfani da FDTD don samun sigogin watsawa na na'urar.
Mai raba wutar lantarki na WilkinsonSaitunan Analog
Ana amfani da rukunin tsarin "trace and load" a cikin fayil ɗin kwaikwayo na FDTD Wilkinson_ power_ divider. An gina kuma an saita sigogi na zahiri da na lantarki na mai raba wutar lantarki na Wilkinson a cikin fsp. An yi wa layin watsawa na microstrip ƙira ta amfani da farantin murabba'i mai girman girma biyu (PEC) wanda aka sanya a kan wani substrate mai kauri 1.59mm tare da madaidaicin dielectric na dangi na 2.2. Ana ƙididdige faɗin da ake buƙata na kowane ɓangaren layin watsawa ta amfani da lissafi. 3.195 da 3.197 a cikin Pozar [1] (duba fayil ɗin rubutun microstrip.lms a cikin misalin microstrip) sune 4.9mm (Z0=50 ohms) da 2.804 mm (√ 2Z0=70.7 ohms) bi da bi. An gina layin watsawa na tsawon kwata ta amfani da polygons 2D da aka samar a cikin zobe. 3.194 a cikin Pozar [1] shine λ g/4=55.5 mm. An yi wa resistor ɗin ƙira ta amfani da farantin murabba'i mai siffar 2D wanda ke ƙayyade abu mai siffar R=100 ohms.
An sanya tashoshin jiragen ruwa a kan alamun shigarwa da fitarwa don shigar da yanayin layin watsawa a cikin kewayon mita na 0.5 - 1.5 GHz da kuma ƙididdige sigogin watsawa na kayan aikin. Don ƙarin bayani game da saitunan sa, duba shafin Tashoshi. Kamar yadda aka bayyana a ƙasa, za a canza tashar tushe da hannu don kunna tashar jiragen ruwa ɗaya a lokaci guda.
An sanya yankin rufe raga a kan kowace hanya don warware tsayinsa da faɗinsa. Abubuwan lanƙwasa da kusurwa na alamar reshen suna buƙatar girman grid a cikin alkiblar x da y su kasance daidai (dx=dy). Wannan ba takura ba ce a kan hanyoyin ciyarwa da fitarwa da aka daidaita zuwa ga axis mai daidaitawa. An sanya kwafin yankin rufe raga da ake amfani da shi don bin diddigin reshe a gefen dama na alamar fitarwa don kiyaye raga mai daidaito.
Yanayin iyakokin sha na PML yana kewaye da dukkan yankin kwaikwayo, sai dai iyakar z-mafi ƙarancin, wanda aka sanya shi a matsayin yanayin iyakokin ƙarfe wanda ke kwaikwayon matakin ƙasa na layin watsa microstrip.
Mai raba wutar lantarki na Wilkinson Sakamako da Bincike
Hoton da ke sama yana nuna martanin mita na sigogin watsawa da ake amfani da su don warewa da kwaikwayon watsawa da kuma rarraba filin lantarki a 1GHz. Waɗannan lambobi ana samar da su ta hanyar rubutun bayan an kammala kwaikwayon. Ya kamata a lura cewa ana iya samun waɗannan sakamakon akan hanyar ta amfani da raga mafi kyau fiye da waɗanda aka ƙayyade a cikin fayil ɗin kwaikwayon.
Analog ɗinMai raba wutar lantarki na Wilkinsonyana da kyau a tashoshin shigarsa (S11=- 40dB, f=1.0GHz) da fitarwa (S22=- 32dB, f=1GHz), yana da kyakkyawan keɓewa (S32=- 43dB, f=1GHz), kuma mitar tsakiyarsa ita ce 1.01GHz, wanda ke cikin 1% na mitar aiki ta ƙira ta 1GHz. Bugu da ƙari, mun lura da rabon wutar lantarki daidai gwargwado na 3dB (S31=- 3dB a f=1GHz) tare da canjin ƙasa da 10% a cikin tashar mitar analog.
Si Chuan Keenlion Microwave babban zaɓi ne a cikin tsarin narrowband da broadband, wanda ke rufe mitoci daga 0.5 zuwa 50 GHz. An tsara su don ɗaukar wutar lantarki daga watts 10 zuwa 30 a cikin tsarin watsawa na 50-ohm. Ana amfani da ƙirar Microstrip ko stripline, kuma an inganta su don mafi kyawun aiki.
Haka kuma za mu iya keɓance Mai Rarraba Wutar Lantarki bisa ga buƙatunku. Kuna iya shigar da shishafin keɓancewa don samar da takamaiman bayanai da kuke buƙata.
Kamfanin Sichuan Keenlion Microwave Technology Co., Ltd.
Imel:
sales@keenlion.com
tom@keenlion.com
Lokacin Saƙo: Disamba-06-2022
