Wilkinson power divideridunhu rinoparadzanisa simba. Kana maport ese akaenzana, anogona kuita kuti pave nekuparadzaniswa pakati pemaport maviri ekuburitsa. Kunyangwe Wilkinson power divider ichigona kugadzirwa kuti pave nekupatsanurwa kwesimba chero ripi zvaro (semuenzaniso, ona Pozar [1]), muenzaniso uyu uchadzidza nyaya yekupatsanurwa kwakaenzana (3dB). FDTD ichashandiswa kuwana maparamita ekupararira emudziyo.
Wilkinson power dividerZvirongwa zveAnalog
Boka remagadzirirwo e "trace and load" rinoshandiswa mufaira reFDTD simulation Wilkinson_ power_ divider. Maparamita emagetsi neemagetsi eWilkinson power divider akavakwa uye akaiswa mu fsp. Mutsetse we microstrip transmission wakagadzirwa uchishandisa two-dimensional perfect electrical conductor (PEC) rectangular plate yakaiswa pa 1.59mm thick substrate ine relative dielectric constant ye 2.2. Upamhi hunodiwa hwechikamu chega chega che transmission line hunoverengerwa uchishandisa equation. 3.195 na 3.197 muPozar [1] (ona microstrip.lms script file mumuenzaniso we microstrip) i4.9mm (Z0=50 ohms) uye 2.804 mm (√ 2Z0=70.7 ohms) zvichiteerana. Mutsetse we quarter wavelength transmission wakagadzirwa uchishandisa 2D polygons dzakaumbwa kuita ring. 3.194 muPozar [1] i λ g/4=55.5 mm. Iyo resistor yakagadzirwa uchishandisa 2D rectangular plate inotsanangura chinhu chine R=100 ohms.
Maports anoiswa pamatanho ekupinda nekubuda kuti aise muchina wekutumira ma "transmission line" mu "frequency range" ye0.5 - 1.5 GHz uye overenga ma "scattering parameters" emuchina. Kuti uwane rumwe ruzivo nezvema "settings" acho, ona peji re "Ports". Sezvakatsanangurwa pazasi, "source port" ichachinjwa nemaoko kuti iite "fire port" imwe panguva.
Nzvimbo yekufukidza mesh inoiswa panzira yega yega kuti igadzirise kureba kwayo nehupamhi hwayo. Hunhu hwekukombama uye hwekona hwetrace yebazi hunoda kuti saizi yegrid mumativi e x ne y ive yakaenzana (dx=dy). Izvi hazvisi zvipingamupinyi panzira dzekudyisa nedzekubuda dzakabatana ne coordinate axis. Kopi yenzvimbo yekufukidza mesh inoshandiswa pakutevera bazi inoiswa kurudyi rwetrace yekubuda kuti irambe iine symmetrical mesh.
Mamiriro emuganhu wekunyudzwa kwePML akakomberedza nzvimbo yese yekufananidza, kunze kwemuganhu we z-minimum, uyo unonzi mamiriro emuganhu wesimbi anotevedzera grounding plane ye microstrip transmission line.
Wilkinson power divider Mhedzisiro nekuongorora
Mufananidzo uri pamusoro apa unoratidza mhinduro yefrequency yemaparamita ekupararira anoshandiswa pakuenzanisa kupatsanura uye kutumirwa kwemagetsi uye kugoverwa kwemunda wemagetsi pa1GHz. Nhamba idzi dzinogadzirwa nechinyorwa mushure mekunge kuenzanisira kwapera. Zvinofanira kucherechedzwa kuti mhedzisiro iyi inogona kuwanikwa panzira yekushandisa uchishandisa mameshes akapfava kupfuura ayo akatsanangurwa mufaira rekuenzanisa.
AnalogiWilkinson power dividerInoenderana zvakanaka nepama "input" ayo (S11=- 40dB, f=1.0GHz) uye "output" (S22=- 32dB, f=1GHz), ine "good isolation" (S32=- 43dB, f=1GHz), uye "centre frequency" yayo i1.01GHz, iri mukati me1% ye "design operating frequency" ye1GHz. Pamusoro pezvo, takaona 3dB yakaenzana nekupatsanurwa kwesimba (S31=- 3dB pa f=1GHz) nekuchinja kwepasi pe10% mu "analog frequency band".
Si Chuan Keenlion Microwave ine sarudzo yakakura mu narrowband uye broadband configurations, inofukidza ma frequency kubva pa 0.5 kusvika 50 GHz. Yakagadzirwa kuti ikwanise kubata simba rekupinda rema watts gumi kusvika makumi matatu mu 50-ohm transmission system. Madhizaini e microstrip kana stripline anoshandiswa, uye akagadzirirwa kushanda zvakanaka.
Tinogona zvakare kugadzirisa Power Divider zvichienderana nezvamunoda. Unogona kuisa mupeji rekugadzirisa kuti ripe zvinodiwa zvaunoda.
Sichuan Keenlion Microwave Technology Co., Ltd.
E-mail:
sales@keenlion.com
tom@keenlion.com
Nguva yekutumira: Zvita-06-2022
