Wilkinson ike nkesabụ sekit nkesa ike. Mgbe ọdụ ụgbọ mmiri niile dakọtara, ọ nwere ike ịchọpụta iche n'etiti ọdụ ụgbọ mmiri abụọ mmepụta. Ọ bụ ezie na enwere ike ịmepụta ike nkesa Wilkinson iji ghọta nkewa ike ọ bụla (dịka ọmụmaatụ, lee Pozar [1]), ihe atụ a ga-amụ banyere nkewa nhata (3dB). A ga-eji FDTD nweta paramita mgbasa ozi nke ngwaọrụ ahụ.
Wilkinson ike nkesaNtọala Analog
A na-eji otu nhazi ahụ "trace na load" na faịlụ simulation FDTD Wilkinson_power_ divider. A na-ewu usoro anụ ahụ na eletriki nke Wilkinson ike nkesa ma debe ya na fsp. A na-eme eriri nnyefe microstrip site na iji igwe eletrik zuru oke nwere akụkụ abụọ (PEC) nke etinyere na mkpụrụ nke gbara ọkpụrụkpụ 1.59mm nwere dielectric mgbe niile nke 2.2. A na-agbakọ obosara achọrọ nke ngalaba ahịrị nnyefe ọ bụla site na iji nha anya. 3.195 na 3.197 na Pozar [1] (lee microstrip.lms script faịlụ na microstrip atụ) bụ 4.9mm (Z0=50 ohms) na 2.804 mm (√ 2Z0=70.7 ohms) n'otu n'otu. A na-eji polygon 2D rụọ eriri nnyefe ogologo nkeji nkeji nkeji nkeji iri na ise nke kpụrụ n'ime mgbanaka. 3.194 na Pozar [1] bụ λ g/4 = 55.5 mm. A na-eji efere akụkụ anọ 2D na-akọwapụta ihe nwere R=100 ohms.
A na-etinye ọdụ ụgbọ mmiri na ntinye na ntinye aka na ntinye aka iji gbanye usoro ntanetị n'ime ọnụọgụ ugboro nke 0.5 - 1.5 GHz ma gbakọọ usoro mgbasa ozi nke akụrụngwa. Maka nkọwa ndị ọzọ na ntọala ya, hụ ibe Ports. Dị ka akọwara n'okpuru ebe a, a ga-eji aka gbanwee ọdụ ụgbọ mmiri ahụ iji gbaa otu ọdụ ụgbọ mmiri n'otu oge.
A na-etinye ebe mkpuchi ntupu na egwu ọ bụla iji dozie ogologo ya na obosara ya. Ngwongwo na-agbagọ na akụkụ akụkụ nke trace alaka ahụ chọrọ ka nha grid dị na ntụzịaka x na y hà nhata (dx=dy). Nke a abụghị ihe mgbochi na ndepụta na egwu mmepụta dabara na axis nhazi. A na-edobe otu mpaghara mkpuchi ntupu ejiri maka nsochi alaka ụlọ ọrụ n'aka nri nke nsonaazụ nsonaazụ iji jikwaa ntupu symmetrical.
Ọnọdụ nnabata PML gbara gburugburu mpaghara ịme anwansị niile, belụsọ oke z-opekempe, nke akpọrọ dị ka ọnọdụ oke igwe na-eme ka ụgbọ elu ala nke eriri nnyefe microstrip.
Wilkinson ike nkesa Nsonaazụ na nyocha
Ọnụ ọgụgụ dị n'elu na-egosi nzaghachi ugboro ugboro nke usoro mgbasa ozi na-eji maka ikewapụ na simulation nnyefe na nkesa ọkụ eletrik na 1GHz. A na-emepụta nọmba ndị a site na edemede mgbe ịmechara simulation. Ekwesiri iburu n'uche na enwere ike nweta nsonaazụ ndị a na trajectory site na iji meshes dị mma karịa nke akọwapụtara na faịlụ simulation.
Analọgụ ahụWilkinson ike nkesadabara nke ọma na ntinye ya (S11 = - 40dB, f = 1.0GHz) na mmepụta (S22 = - 32dB, f = 1GHz) ọdụ ụgbọ mmiri, nwere ezigbo iche (S32 = - 43dB, f = 1GHz), na ugboro etiti ya bụ 1.01GHz, nke dị n'ime 1% nke nhazi oge na-arụ ọrụ nke 1GHz. Na mgbakwunye, anyị hụrụ 3dB nha nha ike nkewa (S31=- 3dB na f=1GHz) na mgbanwe nke na-erughị 10% na bandwit analog.
Si Chuan Keenlion Microwave nnukwu nhọrọ na nhazi eriri na brọdband, na-ekpuchi ugboro ugboro site na 0.5 ruo 50 GHz. Emebere ha ka ha jiri ike ntinye 10 ruo 30 watts na sistemụ nnyefe 50-ohm. A na-eji microstrip ma ọ bụ eriri eriri eme ihe, na kachasị maka ịrụ ọrụ kacha mma.
Anyị nwekwara ike hazie ike nkesa dịka ihe ị chọrọ. Ị nwere ike ịbanyeibe nhazi iji nye nkọwapụta nke ịchọrọ.
Ụgwọ nke ụlọ ọrụ Sichuan Keenlion Microwave Technology Co., Ltd.
Email:
sales@keenlion.com
tom@keenlion.com
Oge nzipu: Dec-06-2022
