Isihluzi samandla saseWilkinsonyisekethe yokwahlulahlula amandla. Xa zonke iiports zifanisiwe, inokwazi ukwahlulahlula phakathi kweeports ezimbini zokukhupha. Nangona iWilkinson power divider inokuyilwa ukuze ikwazi ukwahlulahlula amandla (umzekelo, jonga iPozar [1]), lo mzekelo uza kufunda imeko yokwahlulahlula ngokulinganayo (3dB). I-FDTD iza kusetyenziswa ukufumana iiparameter zokusasazeka kwesixhobo.
Isihluzi samandla saseWilkinsonUseto lwe-Analog
Iqela lesakhiwo elithi "trace and load" lisetyenziswa kwifayile yokulinganisa ye-FDTD iWilkinson_ power_ divider. Iiparameter zomzimba nezombane zeWilkinson power divider zakhiwe kwaye zibekwe kwi-fsp. Umgca wokudlulisela we-microstrip wenziwe ngemodeli kusetyenziswa ipleyiti yombane egqibeleleyo enemilinganiselo emibini (i-PEC) ebekwe kwi-substrate enobukhulu obuyi-1.59mm ene-dielectric constant ehambelanayo ye-2.2. Ububanzi obufunekayo becandelo ngalinye lomgca wokudlulisela lubalwa kusetyenziswa i-equation. 3.195 kunye ne-3.197 kwiPozar [1] (jonga ifayile yesikripthi se-microstrip.lms kumzekelo we-microstrip) yi-4.9mm (Z0=50 ohms) kunye ne-2.804 mm (√ 2Z0=70.7 ohms) ngokwahlukeneyo. Umgca wokudlulisela we-quarter wavelength wenziwe kusetyenziswa ii-polygons ze-2D ezenziwe ngendandatho. I-3.194 kwiPozar [1] yi-λ g/4=55.5 mm. I-resistor yenziwe ngemodeli kusetyenziswa ipleyiti ye-rectangular ye-2D echaza into ene-R=100 ohms.
Iiports zibekwe kwiitrace zokufaka kunye nezokukhupha ukuze kufakwe imo yomgca wokudlulisela kuluhlu lweefrikhwensi ze-0.5 - 1.5 GHz kwaye kubalwe iiparameter zokusasazeka kwezixhobo. Ukuze ufumane iinkcukacha ezithe vetshe malunga nezicwangciso zazo, jonga iphepha lePorts. Njengoko kuchaziwe ngezantsi, iport yomthombo iya kutshintshwa ngesandla ukuze idubule iport enye ngexesha.
Indawo yokugubungela i-mesh ibekwe kwithrekhi nganye ukuze kulungiswe ubude nobubanzi bayo. Iipropati zokugoba kunye ne-angular ze-branch trace zifuna ukuba ubungakanani begridi kwiindlela ze-x kunye ne-y zilingane (dx=dy). Oku akusithintelo kwi-feed kunye ne-output tracks ezihambelana ne-coordinate axis. Ikopi yendawo yokugubungela i-mesh esetyenziselwa ukulandelela i-branch ibekwe ngasekunene kwe-output trace ukuze kugcinwe i-symmetrical mesh.
Imeko yomda wokufunxwa kwe-PML ijikeleze yonke indawo yokulinganisa, ngaphandle komda we-z-minimum, obizwa ngokuba yimeko yomda wesinyithi olinganisa iplani yokumisa yomgca wokudlulisela we-microstrip.
Isihluzi samandla saseWilkinson Iziphumo kunye nohlalutyo
Umfanekiso ongasentla ubonisa impendulo yemvamisa yeeparameter zokusasazeka ezisetyenziselwa ukulinganisa okwahlulwayo kunye nokudluliselwa kunye nokusasazwa kwentsimi yombane kwi-1GHz. La manani aveliswa sisikripthi emva kokuba ukulinganisa kugqityiwe. Kufuneka kuqatshelwe ukuba ezi ziphumo zinokufunyanwa kwindlela yokulandelela kusetyenziswa iimeshes ezincinci kunezo zichazwe kwifayile yokulinganisa.
I-analogIsihluzi samandla saseWilkinsonihambelana kakuhle neeports zayo zokufaka (S11=- 40dB, f=1.0GHz) kunye ne-output (S22=- 32dB, f=1GHz), ine-isolation elungileyo (S32=- 43dB, f=1GHz), kwaye i-frequency yayo esembindini yi-1.01GHz, engaphakathi kwe-1% ye-frequency yokusebenza yoyilo ye-1GHz. Ukongeza, sibonile ukwahlulwa kwamandla okulingana kwe-3dB (S31=- 3dB kwi-f=1GHz) kunye notshintsho olungaphantsi kwe-10% kwi-analog frequency band.
I-Si Chuan Keenlion Microwave iluhlu olukhulu kwiindlela ezinqamlezileyo kunye ne-broadband, igubungela amaza ukusuka kwi-0.5 ukuya kwi-50 GHz. Zenzelwe ukuphatha amandla okufaka ukusuka kwi-10 ukuya kwi-30 watts kwinkqubo yokudlulisela ye-50-ohm. Uyilo lwe-Microstrip okanye lwe-stripline luyasetyenziswa, kwaye lulungiselelwe ukusebenza kakuhle.
Singakwazi nokwenza ngokwezifiso iPower Divider ngokweemfuno zakho. Ungangena kwiiphepha lokwenza ngokwezifiso ukuze unikeze iinkcukacha ozifunayo.
I-Sichuan Keenlion Microwave Technology Co., Ltd.
I-imeyile:
sales@keenlion.com
tom@keenlion.com
Ixesha lokuthumela: Disemba-06-2022
