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Sidee High-Q u saameeyaa diidmada shaandhada ee calaamadaha ka baxsan band?


Naqshadda sare-Q ee afilter godkawaxay gacan ka geysataa diidmada wanaagsan ee calaamadaha ka baxsan band-yada iyada oo loo marayo xajmigeeda cidhiidhi ah, hagaajinta takoorka soo noqnoqda, sifooyinka is-daba-joogga ah, xulashada xulashada, iyo dhererka shaandhada dheer. Tilmaamahani waxay ka dhigayaan miirayaasha daloolka-Q-sare doorasho ku habboon nidaamyada isgaarsiinta halkaasoo nadiifnimada calaamadaha iyo isku halaynta ay muhiim u yihiin. Halkan waxaa ah sharraxaad faahfaahsan oo ku saabsan sida sare-Q uu u wanaajiyo diidmada calaamada ka baxsan band:

Bandwidhthka oo sii dhuuban
Shaandheeyaha daloolka-Q-sare wuxuu leeyahay xajmi yar. Tani waxay ka dhigan tahay inay u oggolaanayso tiro yar oo tamar ah inay dhex maraan iyadoo la diidayo tamar ka baxsan xadkan. Tusaale ahaan, filter dalool sare-Q oo loogu talagalay 2312.5MHz/2382.5MHz wuxuu yeelan doonaa baasbaandh cidhiidhi ah, hubinta in kaliya calaamadaha ku jira soowoyinkan gaarka ah loo oggol yahay inay gudbaan. Xaddigan cidhiidhiga ah wuxuu si wax ku ool ah u diidaa calaamadaha band-ka-baxsan, taasoo yaraynaysa faragelinta.
Takoorka Soo noqnoqda ee la hagaajiyay
filtarrada High-Q waxay bixiyaan takoorid soo noqnoqda ka wanaagsan. Waxay si sax ah u kala saari karaan inta jeer ee la rabo iyo kuwa kale ee u dhow. Tani waxay si gaar ah muhiim ugu tahay nidaamyada isgaadhsiinta halkaas oo la isticmaalo xargaha soo noqnoqda ee badan. Naqshadaynta sare-Q waxay hubisaa in shaandheyntu ay si wax ku ool ah u diidi karto calaamadaha u dhow laakiin ka baxsan inta jeer ee la rabo, iyaga oo ka hortagaya inay farageliyaan calaamadda la rabo.
Astaamaha Roll-off Steeper
Sare-Qfiltarrada godkasoo bandhiga sifada duubista Duubista ayaa ah heerka ay shaandhuhu ku yareeyaan calaamadaha marka ay ka fogaanayaan baaska. Duubista sare waxay ka dhigan tahay in calaamadaha ka baxsan baasaaska si degdeg ah loo dhimay, taasoo sii kordhinaysa diidmada calaamadaha band-ka baxsan. Dib-u-dejintan qotodheer waxay hubisaa in xitaa calaamadaha wax yar ka baxsan inta jeer ee la rabo ay si weyn hoos ugu dhacayaan baaxadda.
Xulashada La Wanaajiyey
Xulashada sare ee shaandhada dalool-Q sare waxay la macno tahay inay si wax ku ool ah u kala saari karto calaamadaha iyadoo lagu saleynayo inta jeer ee ay yihiin. Xulashadan ayaa muhiim u ah diidmada calaamadaha band-ka baxsan. Deegaannada leh xargaha soo noqnoqda ee is-dul-saar ee badan, shaandhada-Q-sare waxay si sax ah u dooran kartaa inta jeer ee la rabo halka kuwa kale ay diidayaan, iyagoo hubinaya isgaarsiin cad oo aan faragelin lahayn.
Dhererka Shaandheynta Dheer
Si loo gaaro waxqabad la mid ah shaandhada Q hoose, shaandhada dalool-Q sare waxay u baahan tahay dherer shaandheyn dheer. Dhererkan dheer wuxuu u oggolaanayaa in si fiican loo xakameeyo calaamadaha band-ka baxsan. Dhererka shaandhada la dheereeyey waxay siisaa fursado badan oo calaamadaha aan loo baahnayn si loo yareeyo marka ay dhex maraan shaandhada, taasoo keentay heerar diidmo oo sarreeya.
Saamaynta Nidaamyada Isgaadhsiinta
Diidmada calaamada ka baxsan band-ka ee la xoojiyey ee ay bixiso sare-Qfiltarrada godkaayaa si gaar ah faa'iido u leh nidaamyada isgaarsiinta. Waxay hubisaa in calaamadaha la gudbiyo iyo kuwa la helay ay yihiin kuwo nadiif ah oo ka madax bannaan faragelinta, hagaajinta guud ahaan waxqabadka iyo kalsoonida nidaamka. Tusaale ahaan, nidaamyada raadiyaha gacanta ee dhulka (LMR), filtarrada daloolka-Q-sare waxay ka hortagi karaan faragelinta u dhexeeya kanaalada kala duwan, iyagoo hubinaya isgaarsiin cad oo la isku halayn karo.

Si Chuan Keenlion Microwave waa xulasho weyn oo ah qaabeynta dhuuban iyo balaadhtanka ballaaran, oo daboolaya inta jeer ee 0.5 ilaa 50 GHz. Waxaa loogu talagalay in lagu xakameeyo 10 ilaa 30 watts awoodda wax gelinta nidaamka gudbinta 50-ohm. Microstrip ama naqshadaha xariijinta ayaa la isticmaalaa, waxaana loo hagaajiyay waxqabadka ugu fiican.

Waxaan sidoo kale awoodnaahabaynShaandhaynta godka RF sida waafaqsan shuruudahaaga. Waxaad geli kartaa bogga habaynta si aad u bixiso qeexitaannada aad u baahan tahay.
https://www.keenlion.com/customization/
Iimayl:
sales@keenlion.com
tom@keenlion.com
Sichuan Keenlion Microwave Technology Co., Ltd.

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Hadii aad danaynayso nala soo xidhiidh

Iimayl:

sales@keenlion.com

tom@keenlion.com

Sichuan Keenlion Microwave Technology Co., Ltd.


Waqtiga boostada: Jun-10-2025