167-223 MHz 1 5/8" 4 Cav. VHF Starpoint 10kW Mai Watsawa Mai Haɗawa Ƙarfin Cavity Duplexer don Tsarin Haɗin Haɗin Multicoupler na VHF

FEATURES

  • Farashin (USD): Da fatan za a Tuntuɓe mu
  • Qty (PCS): 1
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  • Biya: TT (Tsarin Banki), Western Union, Paypal, Payoneer

main Features

  • Copper, tagulla-plated azurfa, da kuma high quality aluminum gami
  • 3-kogo, 4-rago, ko 6-cavity filters
  • Asarar ƙarancin shigarwa da VSWR
  • Babban kadaici
  • karamin zane
  • Mafi kyawun mafita na watsa shirye-shiryen rahusa don mai siyan kasafin kuɗi
  • Tsarin da aka keɓance da yawa don tashar watsa shirye-shirye
  • karamin zane

Masu Haɗuwa Mai Kyau Hakanan suna cikin Hannun jari

Starpoint (Branched) VHF Combiners Har zuwa 20kW:

 

Ma'auni (CIB) VHF Combiners Up tp 10kW:

 

 

Ana neman ƙarin masu haɗa watsawa don tashar watsa shirye-shiryen ku? Duba waɗannan!

 

87-108 MHz 1kW 1 5/8" 2 Cav. N-Channel FM Starpoint Combiner Radio Repeater Duplexer High Power Radio Combiner for FM Station 167-223 MHz 4 ko 6 Cav. 7/16 DIN 1kW Starpoint VHF Transmitter Combiner Compact 6 Cavity Duplexer TX RX Duplexer don tashar TV 470-862 MHz 7/16 DIN 1kW Solid State UHF Transmitter Combiner Starpoint Compact 1000W 6 Cavity Duplexer don Watsa shirye-shiryen TV 1452-1492 MHz 1 5/8" 6 Cavity 4kW L Band RF Combiner Compact Digital 3 Channel Combiner Solid-state RF Triplexer for TV Station
FM Combiners Abubuwan da aka bayar na VHF Combiners UHF Combiners L Band Combiners

  • 10kW Starpoint VHF TV Combiner x 1PCS 

 

Da fatan za a Tuntuɓe mu don ƙarin bayani

model

A

A1

Kanfigareshan

Taurari

Taurari

Frequency Range

167-223 MHz

167-223 MHz

Min. Tazarar Mita

4

2

Shigar da maƙarƙashiya

Max. Input Power

2 × 5 kW

2 × 5 kW

VSWR

≤ 1.1

≤ 1.1

Rashin sakawa


f0

D 0.10 dB

D 0.15 dB

f0± 4MHz

D 0.10 dB

D 0.20 dB

f0± 12MHz

D 10 dB

D 20 dB

f0± 20MHz

D 20 dB

D 35 dB

Warewa tsakanin abubuwan shiga

D 45 dB

D 40 dB

haši

1 5/8"

1 5/8"

Yawan adadin damuwa

3

4

girma

L × 880 × H mm *

L × 1145 × H mm *

Weight

~ 87 kilogiram

~ 112 kilogiram

Sanarwa: * L da H sun dogara da tashoshi.

 

▲ Komawa Abun Ciki ▲

 

Dalilai biyu da yasa ake amfani da RF Combiner

Karancin manyan wurare

 

Yayin da yawan jama'a ke ƙaura zuwa bayan gari, ya zama abin sha'awa don gina manyan wuraren watsa shirye-shirye waɗanda za su iya isa waɗannan wuraren da ke da yawan jama'a daga wurare na tsakiya. Tabbas, waɗannan manyan wuraren sun zama mafi mahimmanci, don haka yana da ma'ana don amfani da kowane wuri zuwa cikakkiyar damarsa. Ana iya yin wannan mafi kyau ta hanyar raba rukunin watsawa da eriya gama gari tsakanin masu amfani da yawa. Don cim ma wannan, masana'antar watsa shirye-shirye suna amfani da masu haɗa nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan watsa shirye-shiryen watsa shirye-shiryen watsa shirye-shirye da masu girma dabam. Alal misali, a San Francisco (Mt. Sutro), Toronto (CN Tower), Montreal (Mt. Royal), New York City (Empire State Building), da Chicago (John Hancock da Sears Buildings), dogayen hasumiya ko hasumiya a kan skyscrapers. An yi amfani da su don ƙarfafa yawancin wuraren watsa shirye-shirye kamar yadda zai yiwu, ciki har da VHF-TV, UHF-TV, FM da sabis na sadarwar wayar hannu. Wannan hanya ta tabbatar da tasiri sosai, ba kawai ta amfani da dukiya ta fuskar tattalin arziki ba har ma da yada farashin hasumiya akan masu amfani da yawa.

Mallakar rukunin gidajen rediyon FM a kasuwa ya haifar da yawaitar tashoshi a hade. Kuma tare da aiwatar da tsarin na DTV, ana tilasta wa tashoshin FM kashe hasumiyai, wanda hakan ya ƙara zama mahimmanci su raba sararin hasumiya, wanda ke ƙara buƙatar tsarin haɗin gwiwa.

 

Abubuwan Bukatun FCC kadaici 

 

Lokacin da aka watsa sigina fiye da ɗaya akan eriya ɗaya, dole ne a haɗa sigina ta yadda babu damar da za a samu don isar da sako a cikin masu watsa juna. Rashin yin hakan zai ba da damar samar da samfuran tsaka-tsaki a cikin matakan haɓaka na ƙarshe na masu watsawa da watsawa akan eriya. Waɗannan samfuran haɗin gwiwar ana kiran su da “spurs”. Spurs da aka kirkira tsakanin tashoshin FM na iya faruwa ba kawai a cikin rukunin FM ba har ma a cikin ƙananan tashoshin VHF da sama da rukunin FM yana haifar da tsangwama ga rukunin jirgin sama. Bugu da ƙari, Dokar FCC 73.317 (d) ta ƙayyade cewa spurs fiye da G00 kHz da aka cire daga mai ɗaukar kaya dole ne a rage shi a ƙasa da mitar mai ɗauka ta 80 dB ko ta 43 + 10log10 (ikon a watts) dB, ko wane ne ƙasa. A aikace, tashoshin da ke aiki da ikon fitarwa na 5 kW ko mafi girma dole ne yawanci su cika buƙatun 80 dB, yayin da tashoshin da ke gudana ƙananan TPOs (fitin wutar lantarki) suna faɗuwa ƙarƙashin hanyar lissafi.

 

Kwarewa ta nuna cewa don hana spurs, kowane mai watsawa dole ne a ware shi daga duk wasu a cikin tsarin ta mafi ƙarancin 40 dB, tare da 4G zuwa 50 dB yana tabbatar da bin ka'idoji. Spur attenuation yana samuwa ta hanyar haɗakarwa mai jujjuya hasara da tacewa. Asarar jujjuyawar tana da nasaba da yadda ake ƙirƙira ƙirƙira a cikin mai watsawa. Waɗannan asara yawanci suna gudana a cikin kewayon G-13 dB don masu watsa nau'in bututu, yayin da 15-25 dB ya zama na yau da kullun ga ƙungiyoyi masu ƙarfi. Ana rage siginar kashe-kashe 40 dB yayin da yake wucewa ta cikin matattarar bandpass na module ɗin mai haɗawa zuwa mai watsawa tare da abin da yake haifar da fitowar mai watsa ƙarin G-25 dB ƙasa da matakin da siginar ta shiga. Wannan motsi yana raguwa 40 dB yayin da yake komawa ta matatar bandpass. Sakamakon haka shine raguwar aƙalla 80 dB, tare da 100 dB ko fiye mai yiwuwa.

 

A cikin duniyar yau, mai haɗawa ya zama muhimmin sashi na sarkar watsa shirye-shirye. Yana da mahimmanci a gane fasaha ce da rikitarwa. Dangane da abũbuwan amfãni da rashin amfani na taron, mai tsara tsarin yana buƙatar zaɓar takamaiman aikace-aikace. Ingantattun majalissar kunnawa da daidaitawa suna ba da siginar ku ga masu sauraro masu nisa, kuma rashin amfani da giciye na iya haifar da tunani, haifar da rashin lafiyar mai watsawa. 

 

▲ Komawa Abun Ciki ▲

 

Me yasa Mai haɗawa na RF ya daina Aiki

 

Bayan shekaru na ci gaba da gwaji ta ƙungiyar fasaha ta FMUSER, mun gano cewa laifin gama gari na multixer shine juriyawar sha ta ƙone.

 

A wasu munanan yanayin yanayi (kamar tsawa), tsarin ciyar da mai haɗawa ya fi sauƙi ga tasirin walƙiya. A wannan lokacin, mai haɗa RF yana fuskantar tsawa, yana iya daina aiki, tare da ƙona masu ciyar da reshe da yawa. Masu watsawa da yawa na iya samun juzu'in wuce gona da iri da faɗuwar wutar lantarki mai ƙarfi, kuma juriyar sha na iya ƙonewa. Magani mafi inganci shine maye gurbin juzu'in sha.

 

Yana da kyau a lura cewa akwai dalilai daban-daban don bayyana dalilin da yasa mai haɗa RF ɗin ku ya daina aiki, wanda ke buƙatar masu fasahar RF su bi ta daban kuma su cire laifin. Kula lokacin da mai ciyarwa ya kasa ko kuma tunanin mai watsawa ya karu. Da fatan za a bincika lokuta ko mai haɗa RF yana da haɓakar zafin jiki mara kyau kuma ko juriyar ɗaukar nauyi al'ada ce.

 

▲ Komawa Abun Ciki ▲

 

Dalilai huɗu na Ƙari don Bayyana Dalilin da yasa RF Combiner ya daina Aiki

 

A lokacin kiyayewa na yau da kullum, mun kuma gano cewa juriya na sha ya lalace kuma ƙimar juriya ta zama mafi girma. A tsakiyar aikin, ba mu gano cewa mai watsawa ya yi nuni da yawa ko ya faɗi babban ƙarfin lantarki ba, kuma VSWR na mai ciyar da eriya shima al'ada ce. Wannan ya faru sau da yawa. Bayan bincike mai zurfi, an yi imanin cewa dalilai na iya zama daban-daban. Sakamakon shine kamar haka.

 

  1. Idan mai ciyar da eriya ba shi da kyau, zai shafi aikin mahaɗin RF. Alal misali, juriya na rufi na babban feeder na iya zama ƙarami; Mummunan yanayi kamar ruwan sama da dusar ƙanƙara za su kawo gajeriyar da'irar nan take, buɗe da'irar, da madaidaicin igiyar igiyar ruwa zuwa eriya, duk waɗannan abubuwan zasu sa wasu ƙarfin yin tunani baya.
  2. Fihirisar mahaɗin RF ɗin ya zama mafi muni, keɓancewar ma'aunin jagorar 3dB ya zama ƙasa kaɗan, kuma matatar bandpass ta zama mai faɗi. Dangane da ka'ida ta gama gari, mun san cewa za a sami ɗan ɗigo a ƙarshen keɓewar mahaɗar jagorar 3dB, kuma ba zai yuwu ga tacewar bandpass ta nuna siginar fita daga band gaba ɗaya ba. Lokacin da ikon zuwa ƙarshen keɓewar ya yi girma har ya zarce ƙarfin da ake ƙididdigewa na nauyin ɗaukar nauyi, zazzabi na nauyin ɗaukar nauyi zai tashi kuma ya ƙone a ƙarshe.
  3. Idan na'urar tana da girma da yawa, bandwidth na siginar RF ya zama mafi girma, kuma ikon da aka ɗora zuwa mai jujjuyawar sha yana ƙaruwa. Gabaɗaya mai watsawa ba'a iyakance shi ba, kuma farkon tsarin daidaitawa sau da yawa fiye da 130%.
  4. Za'a canjawa wasu iko zuwa nauyin ɗaukar nauyi saboda ƙarar mitar tacewar band-pass, mitar mai ɗaukar kaya na mai watsawa, rashin daidaituwa tsakanin mai haɗa RF da eriya, da sauransu.

 

Shawara daga FMUSER: lalacewar juriya na sha na iya haifar da daya ko fiye da dalilai. Idan ba a maye gurbin juriya na sha a cikin lokaci ba, ƙarfin da mai ɗaukar hoto zai iya nunawa a cikin mai watsawa, wanda zai haifar da mummunar cutarwa.

 

▲ Komawa Abun Ciki ▲

 

Menene Multiplexing da yadda yake aiki

 

Hanyar wucewar Siginonin RF Multiplexing - RF Multiplexer

 

Multixer na'ura ce da ke ba da damar bayanan dijital daga tushe da yawa don a tura su kan layi ɗaya don watsawa zuwa wuri guda. Demultiplexer yana jujjuya aikin multixing. Yana ɗaukar bayanan dijital daga layi ɗaya kuma yana rarraba shi zuwa adadin da aka ba da layukan fitarwa.

 

Multiplexing shine tsarin watsa bayanai daga tushe fiye da ɗaya zuwa sigina ɗaya ta hanyar kafofin watsa labarai masu raba. A cikin kowane tsarin sadarwa na dijital ko analog, muna buƙatar tashar sadarwa don watsawa. Wannan tashar na iya zama hanyar haɗin waya ko mara waya. Ba abu ne mai amfani ba don ware tashoshi guda ɗaya ga kowane mai amfani.

 

Don haka ana haɗa rukunin sigina tare kuma a aika ta tasha gama gari. Don wannan muna amfani da multiplexers. Za mu iya multix simulations ko dijital sigina. Idan siginar analog ya ninka, ana kiran wannan nau'in multixer analog multiplexer. Idan siginar dijital ta yi yawa, ana kiran wannan nau'in multixer na dijital.

 

Me yasa RF Multiplexer ke da mahimmanci?

 

Za mu iya canja wurin adadi mai yawa na sigina zuwa matsakaici guda ɗaya. Tashar za ta iya zama matsakaici ta zahiri kamar kebul na shaft, madubin karfe, ko hanyar haɗin waya, kuma yawan sigina dole ne a sarrafa sau ɗaya.

 

Saboda haka, ana iya rage farashin canja wuri. Ko da watsawa ya faru a kan tashar guda ɗaya, ba lallai ba ne su faru a lokaci guda. Yawanci, multixing wata dabara ce wacce ake haɗa siginonin saƙo da yawa a cikin sigina mai haɗaka ta yadda za a iya watsa waɗannan siginar akan tashar gama gari.

 

Domin isar da sigina daban-daban a tashar guda, dole ne a raba siginar don guje wa tsoma baki a tsakanin su, sannan kuma a sauƙaƙe raba su a ƙarshen karɓar.

 

▲ Komawa Abun Ciki ▲

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