Wilkinson power dividerke potoloho e arolang matla. Ha likou tsohle li bapisitsoe, e ka lemoha ho itšehla thajana lipakeng tsa likou tse peli tse hlahisoang. Leha Wilkinson power divider e ka etsetswa ho hlokomela karohano efe kapa efe ya matla (mohlala, bona Pozar [1]), mohlala ona o tla ithuta taba ya karohano e lekanang (3dB). FDTD e tla sebelisoa ho fumana likarolo tsa ho hasanya tsa sesebelisoa.
Wilkinson power dividerLitlhophiso tsa Analog
Sehlopha sa sebopeho "trace and load" se sebelisoa ho FDTD simulation file Wilkinson_ power_ divider. Litekanyetso tsa 'mele le tsa motlakase tsa Wilkinson power divider li hahiloe mme li behiloe ka fsp. Mohala oa phetisetso ea microstrip o entsoe ho sebelisoa poleiti e nang le mahlakore a mabeli e phethahetseng ea motlakase (PEC) e behiloeng holim'a substrate e teteaneng ea 1.59mm e nang le dielectric constant e lekanyelitsoeng ea 2.2. Bophara bo hlokehang ba karolo ka 'ngoe ea mohala oa phetiso bo baloa ho sebelisoa equation. 3.195 le 3.197 ho Pozar [1] (sheba faele ea script ea microstrip.lms mohlala oa microstrip) ke 4.9mm (Z0=50 ohms) le 2.804 mm (√ 2Z0=70.7 ohms) ka ho latellana. Mohala oa phetisetso oa kotara oavelength o hahiloe ho sebelisoa lipolygone tsa 2D tse entsoeng ka selikalikoe. 3.194 ho Pozar [1] ke λ g/4=55.5 limilimithara. Mohanyetsi o entsoe ho sebelisoa poleiti ea 2D e kgutlonnetsehang e hlalosang thepa e nang le R=100 ohms.
Likou li behiloe mekhoeng ea ho kenya le ho tsoa ho kenya mokhoa oa mohala oa phetisetso sebakeng sa maqhubu a 0.5 - 1.5 GHz le ho bala likarolo tsa ho hasanya tsa lisebelisoa. Bakeng sa lintlha tse ling mabapi le litlhophiso tsa eona, bona leqephe la Ports. Joalokaha ho hlalositsoe ka tlase, boema-kepe ba mohloli bo tla fetoloa ka letsoho hore bo chese kou e le 'ngoe ka nako.
Sebaka sa marang-rang sa marang-rang se behiloe pina e 'ngoe le e' ngoe ho rarolla bolelele le bophara ba eona. Thepa ea ho kobeha le e kobehileng ea mohlala oa lekala e hloka hore boholo ba marang-rang ho x le y bo lekana (dx=dy). Sena ha se tšitiso ho fepa le ho tsoa lipina tse tsamaellanang le coordinate axis. Kopi ea sebaka sa tšireletso ea letlooeng se sebelisetsoang ho latedisa lekala e behilwe ka ho le letona la trace e hlahisoang ho boloka letlooeng la symmetrical.
Boemo ba moeli oa ho monya PML bo pota-potile sebaka sohle sa ketsiso, ntle le moeli oa z-minimum, o khethiloeng e le boemo ba moeli oa tšepe o etsisang sefofane se thellang sa mohala oa phetiso ea microstrip.
Wilkinson power divider Liphetho le tlhahlobo
Palo e kaholimo e bonts'a karabelo ea khafetsa ea li-parameter tsa ho hasanya tse sebelisetsoang ho itšehla thajana le papiso ea phetisetso le kabo ea tšimo ea motlakase ho 1GHz. Linomoro tsena li hlahisoa ke script ka mor'a hore papiso e phethoe. Hoa lokela ho hlokomeloa hore liphetho tsena li ka fumanoa tseleng ka ho sebelisa li-meshes tse ntle ho feta tse boletsoeng faeleng ea papiso.
AnalogeWilkinson power dividere lumellana hantle le ho kenya letsoho (S11 = - 40dB, f = 1.0GHz) le tlhahiso (S22 = - 32dB, f = 1GHz) likoung, e na le karohano e ntle (S32 = - 43dB, f = 1GHz), 'me maqhubu a eona a bohareng ke 1.01GHz, e leng ka hare ho 1% ea maqhubu a sebetsang a moralo oa 1GHz. Ho feta moo, re hlokometse karohano e lekanang ea matla a 3dB (S31 = - 3dB ho f = 1GHz) ka phetoho e ka tlase ho 10% sehlopheng sa maqhubu a analoge.
Si Chuan Keenlion Microwave khetho e kholo ho litlhophiso tsa narrowband le Broadband, tse koahelang maqhubu ho tloha ho 0.5 ho isa ho 50 GHz. Li etselitsoe ho sebetsana le matla a ho kenya a 10 ho isa ho a 30 ka har'a sistimi ea phetisetso ea 50-ohm. Meralo ea Microstrip kapa stripline e sebelisoa, 'me e ntlafalitsoe bakeng sa ts'ebetso e ntle ka ho fetisisa.
Re ka boela ra etsa Power Divider ho latela litlhoko tsa hau. U ka kenyaleqephe la ho iketsetsa ho fana ka litlhaloso tseo u li hlokang.
Sichuan Keenlion Microwave Technology Co., Ltd.
E-mail:
sales@keenlion.com
tom@keenlion.com
Nako ea poso: Dec-06-2022
