Onye nkewa ike Wilkinsonbụ sekit nkewa ike. Mgbe e jikọtara ọdụ ụgbọ mmiri niile, ọ nwere ike ịmepụta nkewa n'etiti ọdụ ụgbọ mmiri mmepụta abụọ. Ọ bụ ezie na enwere ike ịmepụta nkewa ike Wilkinson iji mezuo nkewa ike ọ bụla (dịka ọmụmaatụ, lee Pozar [1]), ihe atụ a ga-amụ ihe gbasara nkewa nhata (3dB). A ga-eji FDTD nweta paramita mgbasa nke ngwaọrụ ahụ.
Onye nkewa ike WilkinsonNtọala Analọg
A na-eji otu nhazi "trace and load" eme ihe na faịlụ simulation FDTD Wilkinson_ power_ divider. E wuru ma tinye paramita anụ ahụ na eletriki nke Wilkinson power divider na fsp. A na-eji efere akụkụ anọ zuru oke nke conductor eletriki (PEC) nke etinyere na substrate dị ọkpụrụkpụ 1.59mm yana constant dielectric nke 2.2. A na-agbakọ obosara achọrọ nke ngalaba ahịrị nnyefe ọ bụla site na iji nha nha. 3.195 na 3.197 na Pozar [1] (lee faịlụ edemede microstrip.lms na ihe atụ microstrip) bụ 4.9mm (Z0=50 ohms) na 2.804 mm (√ 2Z0=70.7 ohms) n'otu n'otu. A na-eji polygons 2D nke e kere n'ime mgbanaka arụ ahịrị nnyefe nke ọkara-wave ebili mmiri. 3.194 na Pozar [1] bụ λ g/4=55.5 mm. A na-eji efere akụkụ anọ 2D nke na-akọwapụta ihe nwere R=100 ohms mee ihe nlereanya resistor ahụ.
A na-etinye ọdụ ụgbọ mmiri ndị a na akara ntinye na mmepụta iji tinye ọnọdụ ahịrị nnyefe na oke ugboro ole nke 0.5 – 1.5 GHz wee gbakọọ paramita mgbasa nke akụrụngwa ahụ. Maka nkọwa ndị ọzọ gbasara ntọala ya, lee ibe Ọdụ ụgbọ mmiri. Dịka akọwara n'okpuru, a ga-agbanwe ọdụ ụgbọ mmiri isi iyi aka iji gbaa otu ọdụ ụgbọ mmiri ọkụ n'otu oge.
A na-etinye mpaghara mkpuchi mesh n'elu egwu ọ bụla iji dozie ogologo na obosara ya. Njirimara mgbagọ na akụkụ nke akara alaka chọrọ ka nha grid dị na ntụziaka x na y hà nhata (dx=dy). Nke a abụghị mmachi na egwu nri na mmepụta nke dabara na axis nhazi. A na-etinye otu mpempe mkpuchi mesh ejiri maka nsuso alaka n'aka nri nke akara mmepụta iji nọgide na-enwe mesh symmetrical.
Ọnọdụ ókèala nnabata PML gbara mpaghara simulation dum gburugburu, ewezuga ókèala z-kachasị, nke a na-akpọ ọnọdụ ókèala ígwè nke na-eme ka mbara ala nke eriri nnyefe microstrip dị.
Onye nkewa ike Wilkinson Nsonaazụ na nyocha
Foto dị n'elu na-egosi mmeghachi omume ugboro ole nke paramita mgbasa ozi ejiri maka mwepụ na nnyefe na nkesa ubi eletrik na 1GHz. A na-emepụta ọnụọgụgụ ndị a site na edemede ahụ mgbe emechara ihe ngosi ahụ. Ọ dị mkpa ịmara na enwere ike nweta nsonaazụ ndị a na trajector site na iji meshes dị mma karịa ndị akọwapụtara na faịlụ ihe ngosi ahụ.
Analọg ahụOnye nkewa ike Wilkinsonọ dabara nke ọma na ntinye ya (S11=- 40dB, f=1.0GHz) na mmepụta (S22=- 32dB, f=1GHz), nwere ezigbo mwepụta (S32=- 43dB, f=1GHz), na ugboro etiti ya bụ 1.01GHz, nke dị n'ime 1% nke ugboro ọrụ nhazi nke 1GHz. Na mgbakwunye, anyị hụrụ nkewa ike nhata 3dB (S31=- 3dB na f=1GHz) yana mgbanwe nke ihe na-erughị 10% na band ugboro analog.
Ngwa ndakwa nri Si Chuan Keenlion bụ nnukwu nhọrọ na nhazi eriri na broadband, na-ekpuchi ugboro ole sitere na 0.5 ruo 50 GHz. Emebere ha ka ha na-ejikwa ike ntinye site na watt 10 ruo 30 na sistemụ nnyefe 50-ohm. A na-eji atụmatụ Microstrip ma ọ bụ stripline eme ihe, ma hazie ya nke ọma maka arụmọrụ kacha mma.
Anyị nwekwara ike hazie Ike Divider dịka ihe ị chọrọ si dị. Ị nwere ike itinye ya.peeji nhazi iji nye nkọwapụta ịchọrọ.
Sichuan Keenlion Microwave Technology Co., Ltd.
Ozi ịntanetị:
sales@keenlion.com
tom@keenlion.com
Oge ozi: Disemba-06-2022
