Urashaka gutwara abantu? DUHAMAGARE NONAHA
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Amakuru

Ni izihe mbogamizi zo gukora filters zifite imiterere ya Q nyinshi?


Imashini ziyungurura zikoresha ikoranabuhanga rya High-Qzikoreshwa cyane muri sisitemu z'itumanaho, ibikoresho by'ikoranabuhanga, n'ibindi bikoresho bitewe nuko zihitamo neza kandi zidakora neza. Ariko, gukora filters za Q-high zitanga imbogamizi nyinshi. Hasi hari imbogamizi z'ingenzi mu gukora filters za Q-high:

Uburyo bwo gukora imashini zikozwe neza
Imashini zitunganya utuntu duto cyane (High-Q filters) zikenera ubuhanga buhanitse cyane mu gutunganya ibice. Ndetse no kugabanuka guto mu bunini, imiterere, cyangwa aho biherereye bishobora kugira ingaruka zikomeye ku mikorere ya mashini n'imiterere ya Q-factor. Urugero, mu mashini zitunganya utuntu duto cyane, ingano n'ubugari bw'ubuso bw'icyuma bigira ingaruka ku buryo butaziguye ku kintu gitunganya utuntu duto cyane (Q-factor). Kugira ngo ugere ku kintu gitunganya utuntu duto cyane, ibice bigomba gukorwa mu buryo buhanitse cyane, akenshi bigasaba ikoranabuhanga rigezweho mu gukora ibikoresho nko gutunganya utuntu duto duto (CNC machining) cyangwa gukata utuntu duto duto (laser cutting). Ikoranabuhanga ryo kongeramo ibikoresho nk'imashini zitunganya utuntu duto cyane (selective laser melting) naryo rikoreshwa mu kunoza uburyo ibintu bitunganya utuntu duto no gusubiramo.

Guhitamo ibikoresho no kugenzura ubuziranenge
Guhitamo ibikoresho bya filteri za Q ni ingenzi cyane. Ibikoresho bifite igihombo gito kandi bihamye birakenewe kugira ngo bigabanye igihombo cy'ingufu no kwemeza ko imikorere ihamye. Ibikoresho bisanzwe birimo ibyuma bifite isuku nyinshi (urugero: umuringa, aluminiyumu) ​​na dielectrics zidatakaza igihombo kinini (urugero: alumina ceramics). Ariko, ibi bikoresho akenshi birahenda kandi biragoye kubitunganya. Byongeye kandi, kugenzura neza ubuziranenge ni ngombwa mu gihe cyo guhitamo no gutunganya ibikoresho kugira ngo habeho imiterere ihamye y'ibikoresho. Imyanda iyo ari yo yose cyangwa inenge mu bikoresho bishobora gutuma ingufu zitakaza kandi bikagabanya Q-factor.

Guteranya no Gutunganya neza
Uburyo bwo guteranyaibyuma biyungurura bya Q nyinshibigomba kuba bifite ubuhanga buhanitse cyane. Ibice bigomba gushyirwa neza no guteranywa kugira ngo hirindwe ko icyuma gihinduka cyangwa icyuho, bishobora kwangiza imikorere ya filter. Ku byuma bihinduranya bya high-Q, guhuza uburyo bwo gutunganya n'umwobo w'icyuma bitera izindi mbogamizi. Urugero, muri filter za dielectric resonator hamwe na MEMS tuning mechanisms, ingano ya MEMS actuators iba nto cyane ugereranyije na resonator. Iyo resonator na MEMS actuators bikozwe ukwabyo, inzira yo guteranya iba ingorabahizi kandi ihenze, kandi amakosa make ashobora kugira ingaruka ku mikorere ya filter.

Kugera ku bunini bw'itumanaho rihoraho no ku buryo bworoshye
Gushushanya icyuma gihinduranya ubushyuhe cya Q gifite umuvuduko uhoraho biragoye. Kugira ngo icyuma gihinduranya ubushyuhe gikomeze mu gihe cyo gukosora, Qe yo hanze igomba gutandukana bitewe n'umuvuduko wo hagati, mu gihe ibyuma bihinduranya ubushyuhe hagati bigomba gutandukana bitewe n'umuvuduko wo hagati. Ibyinshi mu bikoresho bihinduranya ubushyuhe byavuzwe mu nyandiko bigaragaza kwangirika k'imikorere n'impinduka za bandwidth. Ubuhanga nk'ibyuma bihinduranya ubushyuhe bw'amashanyarazi na magnetike bukoreshwa mu gushushanya ibyuma bihinduranya ubushyuhe bihoraho, ariko kubigeraho mu bikorwa biracyagoye. Urugero, icyuma gihinduranya ubushyuhe cya TE113 cyavuzwe ko cyageze ku gipimo cya Q-factor cya 3000 hejuru y'urwego rwacyo rwo gukosora, ariko impinduka zacyo za bandwidth zageze kuri ± 3.1% mu rugero ruto rwo gukosora.

Inenge mu nganda n'umusaruro mugari
Ubusembwa mu gukora nk'imiterere, ingano, n'impinduka mu mwanya bishobora kongera imbaraga mu buryo, biganisha ku guhuza uburyo ahantu hatandukanye mu mwanya wa k no gukora imiyoboro y'imirasire myinshi, bityo bigabanyiriza Q-factor. Ku bikoresho bya nanophotonic biri mu mwanya wigenga, ahantu hanini ho gukora n'imiyoboro myinshi itakaza ijyanye n'imiterere ya nanostructure bituma bigorana kugera ku bintu bya Q-factor byinshi. Nubwo ibyagezweho mu bushakashatsi byagaragaje ko ibintu bya Q-factor bigera kuri 10⁹ muri microresonators ziri kuri on-chip, gukora filters nini za Q-Q akenshi bihenze kandi bifata igihe kinini. Ubuhanga nka grayscale photolithography bukoreshwa mu gukora filters za wafer-scale, ariko kugera ku bintu bya Q-factor byinshi mu gukora byinshi biracyari ikibazo.

Ihindagurika hagati y'imikorere n'ikiguzi
Uduce duto twa Q-Q dusanzwe dukenera imiterere igoye n'uburyo bwo gukora neza cyane kugira ngo tugere ku musaruro mwiza, ibyo bikaba byongera cyane ikiguzi cyo gukora. Mu bikorwa bifatika, hakenewe kuringaniza imikorere n'ikiguzi. Urugero, ikoranabuhanga rya silicon micromachining ryemerera gukora resonators na filters ku giciro gito ku duce duto twa frequency. Ariko, kugera ku bintu byinshi bya Q-factors mu duce duto twa frequency ntibiracukumburwa. Guhuza ikoranabuhanga rya silicon RF MEMS ryo gutunganya n'uburyo buhendutse bwo gusya inshinge bitanga igisubizo gishobora kuba igisubizo cyo gukora filters nyinshi za Q-Q ku giciro gito kandi zihendutse mu gihe bikomeza gukora neza.

Microwave ya Si Chuan Keenlion ni amahitamo menshi mu miterere ya narrowband na broadband, ifite umurongo wa frequencies kuva kuri 0.5 kugeza kuri 50 GHz. Yagenewe gutwara imbaraga za watts 10 kugeza kuri 30 muri sisitemu yo kohereza ya 50-ohm. Imiterere ya microstrip cyangwa stripline irakoreshwa, kandi ikanozwa kugira ngo ikore neza.

Dushobora kandihinduraFilter ya RF Cavity ikurikije ibyo ukeneye. Ushobora kwinjira ku ipaji yo guhindura kugira ngo utange ibisobanuro ukeneye.
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Imeri:
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tom@keenlion.com
Sichuan Keenlion Microwave Technology Co., Ltd.

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Imeri:

sales@keenlion.com

tom@keenlion.com

Sichuan Keenlion Microwave Technology Co., Ltd.


Igihe cyo kohereza: Kamena-20-2025