I-Wilkinson power divideriyisekhethi yesihlukanisi samandla. Uma zonke izimbobo zifaniswa, ingabona ukuhlukaniswa phakathi kwezimbobo zokuphuma ezimbili. Nakuba isihlukanisi samandla sika-Wilkinson singaklanywa ukuze kubonakale noma yikuphi ukuhlukaniswa kwamandla (isibonelo, bona i-Pozar [1]), lesi sibonelo sizofunda indaba yokuhlukaniswa okulinganayo (3dB). I-FDTD izosetshenziswa ukuze kutholwe amapharamitha wokuhlakazeka kwedivayisi.
I-Wilkinson power dividerIzilungiselelo ze-Analog
Iqembu lesakhiwo "trace and load" lisetshenziswa kufayela lokulingisa le-FDTD i-Wilkinson_ power_ divider. Amapharamitha aphathekayo nekagesi we-Wilkinson power divider akhiwe futhi asethwe ku-fsp. I-microstrip transmission line imodelwa kusetshenziswa ipuleti elingunxande elinezinhlangothi ezimbili (PEC) elingunxande elibekwe endaweni engaphansi engu-1.59mm enogqinsi oluhlobene ne-dielectric engu-2.2. Ububanzi obudingekayo besigaba ngasinye somugqa wokudlulisela bubalwa kusetshenziswa isibalo. 3.195 kanye no-3.197 kokuthi Pozar [1] (bona ifayela leskripthi se-microstrip.lms kusibonelo se-microstrip) ingu-4.9mm (Z0=50 ohms) kanye no-2.804 mm (√ 2Z0=70.7 ohms) ngokulandelanayo. Ulayini wokudlulisa we-wavelength wekota wakhiwe kusetshenziswa amapholigoni angu-2D akhiwe abe iringi. 3.194 kokuthi Pozar [1] ngu-λ g/4=55.5 mm. I-resistor imodelwa kusetshenziswa ipuleti elingunxande elingu-2D elicacisa into ethile ene-R=100 ohms.
Izimbobo zibekwe ekulandeleni okokufaka nokokukhiphayo ukuze kujove imodi yolayini wokudlulisa ebangeni lemvamisa elingu-0.5 – 1.5 GHz futhi kubalwe amapharamitha wokusakaza okokusebenza. Ukuze uthole imininingwane eyengeziwe ngezilungiselelo zayo, bheka ikhasi lamachweba. Njengoba kuchazwe ngezansi, imbobo yomthombo izoshintshwa mathupha ukuze iqhumise imbobo eyodwa ngesikhathi.
Indawo yokufakwa kwemeshi ibekwe kuthrekhi ngayinye ukuze kuxazululwe ubude nobubanzi bayo. Izakhiwo zokugoba nezingu-angular zokulandelela kwegatsha zidinga ukuthi usayizi wegridi eziqondisweni zika-x kanye no-y ulingane (dx=dy). Lokhu akusona isithiyo ekuphakeleni nasekuphumeni kwamathrekhi aqondaniswe ne-axis yokuxhumanisa. Ikhophi yendawo yokumboza yemeshi esetshenziselwa ukulandelela igatsha ibekwe kwesokudla sokulandelela okukhiphayo ukuze kugcinwe i-symmetrical mesh.
Isimo somngcele wokumuncwa we-PML sizungeza yonke indawo yokulingisa, ngaphandle komngcele ongu-z-minimum, oqokwe njengesimo somngcele wensimbi elingisa indiza ephansi yolayini wokudlulisa we-microstrip.
I-Wilkinson power divider Imiphumela nokuhlaziya
Isibalo esingenhla sibonisa ukusabela kwemvamisa kwamapharamitha wokuhlakaza asetshenziselwa ukulingiswa okukodwa nokudlulisela kanye nokusatshalaliswa kwenkundla kagesi ku-1GHz. Lezi zinombolo zikhiqizwa iskripthi ngemuva kokuqedwa kokulinganisa. Kufanele kuqashelwe ukuthi le miphumela ingatholwa ku-trajectory kusetshenziswa ama-meshes angcono kunalawo ashiwo efayeleni lokulingisa.
I-analogueI-Wilkinson power dividerifaniswe kahle nokokufaka kwayo (S11=- 40dB, f=1.0GHz) kanye nokuphumayo (S22=- 32dB, f=1GHz) izimbobo, inezimbobo zokuhlukanisa ezinhle (S32=- 43dB, f=1GHz), futhi imvamisa yayo emaphakathi ingu-1.01GHz, engaphakathi kuka-1% wemvamisa yokusebenza komklamo we-1GHz. Ngaphezu kwalokho, sibone ukuhlukaniswa kwamandla okulinganayo okungu-3dB (S31=- 3dB ku-f=1GHz) noshintsho olungaphansi kuka-10% kubhendi yefrikhwensi ye-analog.
Si Chuan Keenlion Microwave ukukhetha okukhulu ekucushweni kwe-narrowband ne-broadband, okumboza amaza asuka ku-0.5 kuye ku-50 GHz. Zenzelwe ukuphatha amandla okufaka ama-watts asuka ku-10 kuye kwangama-30 kusistimu yokudlulisa engu-50-ohm. Imiklamo ye-Microstrip noma ye-stripline isetshenziswa, futhi yenzelwe ukusebenza kahle kakhulu.
Singakwazi futhi ukwenza ngokwezifiso Isihlukanisi Samandla ngokwezidingo zakho. Ungafaka i-ikhasi lokwenza ngokwezifiso ukuze unikeze imininingwane oyidingayo.
I-Sichuan Keenlion Microwave Technology Co., Ltd.
I-imeyili:
sales@keenlion.com
tom@keenlion.com
Isikhathi sokuthumela: Dec-06-2022
