MUKUFUNA TRANSPORT?TIIMBENI TSOPANO
  • tsamba_banner1

Nkhani

Kodi diplexer imagwira bwanji kusokoneza ma siginecha mumakina a LMR?


Diplexer ndi gawo lofunikira kwambiri pamakina a LMR (Land Mobile Radio), omwe amathandizira kutumiza ndi kulandila nthawi imodzi pama bandi osiyanasiyana. The435-455MHz / 460-480MHz Cavity Diplexerimayendetsa kusokoneza kwa ma sign mu machitidwe a LMR kudzera m'njira izi:

1. Kusefa kwa Bandpass
Diplexer nthawi zambiri imakhala ndi zosefera ziwiri za bandpass: imodzi ya transmit (Tx) frequency band (mwachitsanzo, 435-455MHz) ndi ina yolandila (Rx) frequency band (mwachitsanzo, 460-480MHz). Zosefera za bandpass zimalola kuti ma siginecha omwe ali mkati mwa ma frequency awo adutse kwinaku akuchepetsa ma sign kunja kwa maguluwa. Izi zimalekanitsa bwino kutumiza ndi kulandira zizindikiro, kuteteza kusokoneza pakati pawo. Mwachitsanzo, diplexer imatha kudzipatula kwa 30 dB kapena kupitilira apo pakati pa madoko ake otsika ndi apamwamba, zomwe ndizokwanira pazogwiritsa ntchito zambiri.

2. High Isolation Design
Zosefera za cavity zimagwiritsidwa ntchito kwambiri m'ma diplexer chifukwa cha kuchuluka kwawo kwa Q factor komanso kusankha bwino. Zosefera izi zimapereka kudzipatula kwakukulu pakati pa magulu awiri afupipafupi, kuchepetsa kutayikira kwa siginecha kuchokera pagulu lotumizira kupita ku bandi yolandila ndi mosemphanitsa. Kudzipatula kwakukulu kumachepetsa chiopsezo cha kusokoneza pakati pa kutumiza ndi kulandira zizindikiro, kuonetsetsa kuti machitidwe olankhulana okhazikika akugwira ntchito. Mapangidwe ena a diplexer, monga ma duplexer okana kwambiri, amatha kukhala odzipatula kwambiri. Mwachitsanzo, diplexer yokana kwambiri imatha kupereka milingo yodzipatula ya 80 dB kapena kupitilira apo, kutsekereza kusokoneza.

3. Kufananiza kwa Impedans
Diplexer imaphatikiza ma netiweki ofananirako kuti awonetsetse kulumikizana kwabwino pakati pa njira zotumizira ndikulandila ndi mlongoti kapena chingwe chotumizira. Kufananiza koyenera kwa impedance kumachepetsa kuwunikira kwa ma siginecha ndi mafunde oyimilira, potero kumachepetsa kusokoneza komwe kumachitika chifukwa cha ma siginecha. Mwachitsanzo, mphambano wamba ya diplexer idapangidwa kuti ikwaniritse zofananira bwino, kuwonetsetsa kuti kulowetsedwa kwa ma frequency transmit ndi 50 ohms ndikuwonetsa kulepheretsa kwakukulu pama frequency olandila.

4. Gawo la Space
Munjira zoyankhulirana zapamalo, ma diplexers amatha kuphatikizidwa ndi njira zina monga mayendedwe a antenna, kuphatikizika kwapamtunda, ndi kutumiza ma beamforming kuti akwaniritse kupondereza kwina kwa kusokonezedwa kwa ma sign mu gawo lofalitsa. Mwachitsanzo, kugwiritsa ntchito tinyanga zolunjika molumikizana ndi ma diplexers kumatha kukulitsa kudzipatula pakati pa ma transmit ndikulandila tinyanga, kuchepetsa mwayi wosokonezana.

5. Kapangidwe ka Compact
Ma cavity diplexers amakhala ndi mawonekedwe ophatikizika, omwe amawalola kuphatikizidwa ndi tinyanga kapena zinthu zina. Kuphatikizana uku kumachepetsa kukula kwa dongosolo lonse ndi zovuta pamene kuchepetsa kusokoneza kusokoneza. Mwachitsanzo, mapangidwe ena a diplexer amaphatikizira kuthekera kosefera pamphambano wamba, kufewetsa kapangidwe kake ndikusunga magwiridwe antchito apamwamba.

The435-455MHz / 460-480MHz Cavity Diplexerimagwiritsa ntchito kusefa kwa bandpass, mapangidwe apamwamba odzipatula, kufananiza kwa ma impedance, magawo a danga, ndi matekinoloje ena kuti athe kuthana bwino ndi kusokoneza kwa ma sign mumakina a LMR. Izi zimatsimikizira kuti zotumizira ndi kulandira zizindikiro zimagwira ntchito paokha popanda kusokonezana, kupititsa patsogolo kudalirika ndi kukhazikika kwa machitidwe oyankhulana.

Si Chuan Keenlion Microwave kusankha kwakukulu mumipangidwe yocheperako komanso ma Broadband, kuphimba ma frequency kuchokera ku 0.5 mpaka 50 GHz. Amapangidwa kuti azigwira kuchokera pa 10 mpaka 30 watts kulowetsa mphamvu mu 50-ohm transmission system. Mapangidwe a Microstrip kapena stripline amagwiritsidwa ntchito, ndikukonzedwa kuti azigwira bwino ntchito.

Ifenso tikhozamakonda RF Cavity Diplexermalinga ndi zomwe mukufuna. Mutha kulowa patsamba losintha kuti mupereke zomwe mukufuna.
https://www.keenlion.com/customization/
Imelo:
sales@keenlion.com
tom@keenlion.com
Malingaliro a kampani Sichuan Keenlion Microwave Technology Co., Ltd.

Zogwirizana nazo

Ngati mukufuna nafe, lemberani

Imelo:

sales@keenlion.com

tom@keenlion.com

Malingaliro a kampani Sichuan Keenlion Microwave Technology Co., Ltd.


Nthawi yotumiza: May-30-2025