Diplexer wani abu ne mai mahimmanci a cikin tsarin LMR (Land Mobile Rediyo), yana ba da damar watsawa lokaci guda da liyafar a kan madafan mitoci daban-daban. The435-455MHz/460-480MHz Cavity Diplexeryana sarrafa tsangwama na sigina a cikin tsarin LMR ta hanyoyi masu zuwa:
1. Tace Bandpass
Diplexer yawanci ya ƙunshi matatun bandpass guda biyu: ɗaya don watsa (Tx) band ɗin mitar (misali, 435-455MHz) da wani don rukunin mitar karɓa (Rx) (misali, 460-480MHz). Waɗannan matattarar bandpass suna ba da damar sigina a cikin kewayon mitar su su wuce yayin da suke rage sigina a wajen waɗannan makada. Wannan yana keɓe watsawa da karɓar sigina yadda ya kamata, yana hana tsangwama a tsakanin su. Misali, diplexer na iya samun keɓancewa na 30 dB ko sama tsakanin ƙananan tashar jiragen ruwa da manyan tashoshinsa, wanda ya isa ga yawancin aikace-aikacen.
2. Babban Keɓewa Design
Ana yawan amfani da matatun cavity a cikin diplexers na rami saboda girman Q factor da kyakkyawan zaɓi. Waɗannan matattarar suna ba da babban keɓance tsakanin maɗaurin mitar biyu, rage ɗigon sigina daga rukunin watsawa zuwa band ɗin karɓa da akasin haka. Babban keɓewa yana rage haɗarin tsangwama tsakanin watsawa da karɓar sigina, tabbatar da ingantaccen tsarin sadarwa. Wasu zane-zane na diplexer, irin su babban kogon duplexers, na iya cimma matakan keɓancewa sosai. Misali, babban diplexer mai ƙima zai iya samar da matakan keɓewa na 80 dB ko sama, yana danne tsangwama yadda ya kamata.
3. Matching Impedance
Diplexer yana haɗa hanyoyin sadarwa masu daidaitawa don tabbatar da daidaitaccen madaidaicin matsawa tsakanin watsawa da karɓar tashoshi da eriya ko layin watsawa. Daidaitaccen madaidaicin matsi yana rage tunanin sigina da raƙuman ruwa a tsaye, don haka rage tsangwama da ke haifar da sigina. Misali, mahadar gama gari na diplexer an ƙera shi don cimma kyakkyawar madaidaicin matsewa, yana tabbatar da cewa abin da aka shigar da shi a mitar watsawa shine 50 ohms yayin da yake gabatar da babban haɗari a mitar karɓa.
4. Rarraba sararin samaniya
A cikin tsarin sadarwar rukunin yanar gizo, ana iya haɗa diplexers tare da wasu dabaru irin su jagorar eriya, giciye-polarization, da watsa bim don cimma ci gaba da dakile kutsewar sigina a cikin yankin yaduwa. Misali, yin amfani da eriya ta hanya tare da diplexers na iya haɓaka keɓancewa tsakanin watsawa da karɓar eriya, rage yuwuwar tsoma bakin juna.
5. Karamin Tsarin
Diplexers na cavity suna da ƙaramin tsari, yana ba su damar haɗa su tare da eriya ko wasu abubuwan haɗin gwiwa. Wannan haɗin kai yana rage girman tsarin gaba ɗaya da rikitarwa yayin da yake rage haɗarin kutse. Misali, wasu ƙirar diplexer sun haɗa ƙarfin tacewa a cikin mahaɗar gama gari, suna sauƙaƙe tsarin yayin da suke riƙe babban aiki.
The435-455MHz/460-480MHz Cavity Diplexeryana aiki da tace bandpass, babban ƙirar keɓewa, matching impedance, rarrabuwar sararin samaniya, da sauran fasahohi don aiwatar da tsangwamar sigina yadda ya kamata a cikin tsarin LMR. Wannan yana tabbatar da cewa watsawa da karɓar sigina suna aiki da kansu ba tare da tsangwama ba, inganta aminci da kwanciyar hankali na tsarin sadarwa.
Si Chuan Keenlion Microwave babban zaɓi a cikin kunkuntar bandeji da saitunan watsa shirye-shirye, yana rufe mitoci daga 0.5 zuwa 50 GHz. An ƙera su don sarrafa daga 10 zuwa 30 watts ikon shigar da wutar lantarki a cikin tsarin watsawa na 50-ohm. Ana amfani da ƙirar microstrip ko tsiri, kuma an inganta su don mafi kyawun aiki.
Za mu iya kumasiffanta RF Cavity Diplexerbisa ga bukatun ku. Kuna iya shigar da shafin keɓancewa don samar da ƙayyadaddun bayanai da kuke buƙata.
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Sichuan Keenlion Microwave Technology Co., Ltd.
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Lokacin aikawa: Mayu-30-2025