Momwe Mungapezere Wotumiza Wailesi Yabwino Kwambiri ya FM

 

Mukamasankha FM Transmitter, mutha kusokonezedwa ndi magawo omwe adayikidwapo. Apa pakhala kukhazikitsidwa kwaukadaulo mkati mwa ma transmitters a FM othandizira kusankha zabwino kwambiri FM Radio Transmitter.

  

Zomwe tikugawana mugawo ili:

  

 

Ma FAQ ochokera kwa Makasitomala athu

  • Kodi ma FM Transmitter abwino kwambiri kugula ndi ati?
  • Kodi Transmitter ya FM imawononga ndalama zingati?
  • Kodi 50w FM Transmitter idzafika pati?
  • Kodi ndingawonjezere bwanji kuchuluka kwa Broadcast Transmitter yanga?
  • Kodi ma transmitter a FM amawononga ndalama zingati?
  • Chonde nditchuleni mawu wayilesi yathunthu yamawayilesi ammudzi
  • Tili mkati moyambitsa mawayilesi ammudzi ndipo tikufuna kudziwa kuchuluka kwa ndalama zomwe tingachite kuti tigwiritse ntchito ngati imeneyi!

 

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Kodi FM Transmitter ndi chiyani?

  

Dongosolo lathunthu lowulutsa lili ndi magawo atatu: mlongoti, wotumiza, ndi wolandila.

  

Ma transmitter a FM ndiye chida chofunikira kwambiri chomwe chimayang'anira kutulutsa mawu kuchokera ku studio yanu ndikuwulutsa kudzera mu mlongoti kupita kwa olandila mdera lanu lonse lomvera. 

  

Chifukwa chakuti SNR ndi yayikulu, ma transmitter a FM amagwiritsidwa ntchito kwambiri m'magawo omwe amafunikira mawu omveka bwino komanso phokoso laling'ono monga kufalitsa pawailesi ndi kuwulutsa pawailesi. 

  

Nthawi zambiri, ma transmitter a FM amagwiritsa ntchito ma frequency a 87.5 mpaka 108.0 MHz kuti atumize siginecha ya FM. Kuphatikiza apo, mphamvu ya ma transmitters a FM pakuwulutsa pawailesi imachokera ku 1w mpaka 10kw +.

  

Monga wogulitsa zida zowulutsira, FMUSER imapereka ma transmitters a FM ndi zida zina zapagulu ndi luso lapamwamba komanso mitengo yampikisano. Onani pompano

 

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Kodi ma Transmitters a FM amagwira ntchito bwanji?

  

  • Pachiyambi choyamba, maikolofoni amatha kutenga mawu. 
  • Kenako imalowetsa chowulutsira ngati siginecha yolowetsa mawu pambuyo posinthidwa ndi purosesa yomvera. 
  • Chizindikiro cholowera chimaphatikizidwa ndi ma frequency onyamula omwe amapangidwa ndi oscillator yoyendetsedwa ndi voteji (VCO). 
  • Komabe, siginecha yolowetsayo mwina ilibe mphamvu zokwanira kuti zitha kufalitsidwa kudzera mu mlongoti. 
  • Chifukwa chake mphamvu yama siginecha idzakulitsidwa mpaka mulingo wotuluka kudzera pa Exciter ndi Power Amplifier. 
  • Tsopano, chizindikirocho ndi chokwanira kuti mlongoti utumize.

   

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Za ERP Effected Radiated Power

  

Musanayerekeze chivundikiro cha ma transmitter anu a FM, muyenera kuphunzira za ERP (mphamvu yowunikira bwino), yomwe imagwiritsidwa ntchito kuyeza mphamvu ya ma frequency a wayilesi.

  

Fomula ya ERP ndi:

ERP = Mphamvu ya Transmitter mu Watt x 10 ^((Kupeza kwa dongosolo la mlongoti mu dBb - kumasula chingwe) / 10)

 

Chifukwa chake, kuti Muwerenge ERP Muyenera Kudziwa Zinthu Izi:

  • Mphamvu yotulutsa ya transmitter
  • Kutayika kwa chingwe cha coaxial chomwe chimagwiritsidwa ntchito kulumikiza chotumizira ku mlongoti.
  • Kutalika kwa chingwe cha coaxial.
  • Mtundu wa antenna system: dipole vertical polarization, circular polarization, mlongoti umodzi, makina okhala ndi 2 kapena kuposa, etc.
  • Kupindula kwa dongosolo la antenna mu dBb. Phindu lingakhale labwino kapena loipa.

 

Nachi Chitsanzo cha Kuwerengera kwa ERP:

Mphamvu ya FM Transmitter = 1000 Watt

Mtundu wa mlongoti = 4 bay dipole vertical polarization ndi phindu la 8 dBb

Mtundu wa chingwe = otsika amataya 1/2 "

Utali wa chingwe = 30 mamita

Kutsika kwa chingwe = 0,69dB

ERP = 1000W x 10^(8dB - 0,69dB)/10 = 3715W

 

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Kodi Ma Range a FM Broadcast Transmitters Akhala Chiyani?

  

Mukapeza zotsatira za ERP, muyenera kuganizira za zinthu zakunja monga momwe chilengedwe chimakhalira komanso kutalika kwa tinyanga, komwe kumadalira kwambiri ma radiation.

  

Ngati mukufuna thandizo posankha ma transmitter abwino kwambiri a FM Radio, chonde Lumikizanani nafe. Ndi zaka zambiri zomwe takumana nazo, timatha kukupatsirani mayankho okhazikika komanso chitsogozo chaukadaulo pakusankha ndi kukonza.

 

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Ntchito Zatsopano Zambiri Zoyenera Kudziwa

  

Masiku ano, ma transmitters a FM pawayilesi apanga ukadaulo wochulukirachulukira kuti apititse patsogolo magwiridwe antchito, monga kukweza kwamawu, kuwongolera pa intaneti, cheke chowonetsera, ndi zina zambiri, popereka chidziwitso chabwinoko kwa ogwiritsa ntchito. 

    

Pankhani ya kuwongolera kwamtundu wamawu, zina Ma FM Broadcast Transmitters khalani ndi magwero angapo omvera, monga kuyika kwa ma audio a AES / EBU, ndi kuyika kwa siginecha ya analogi, yomwe imapangitsa kuti mawu azimveka bwino.

   

Zikafika pakuwongolera ukonde, magawo a ma transmitters amakhala ndi mawonekedwe a TCP / IP ndi RS232, omwe amathandizira kugwira ntchito ndikusintha kudzera pamakhodi, magwiridwe antchito awo amawonjezeka.

   

Kwa akatswiri ambiri, kuwonetsa cheke mwina ntchito yothandiza kwambiri kwa iwo. Zambiri zama transmitter zitha kuwonetsedwa pazenera, ndipo akatswiri amaloledwa kusintha magawowo pogogoda pazithunzi.

   

Posachedwapa, tawona kuti, poyerekeza ndi ma transmitter okha ndi ntchito zoyambira, omwe ali ndi ntchito zambiri amatchuka kwambiri. Kutengera izi, timawona kufunikira kwakukulu pakupanga ntchito zothandiza kwambiri pazida zowulutsira kuti zithandizire kukakamizidwa kwa akatswiri ndikusunga nthawi ndi mtengo wawo pakukonza. FMUSER imakupatsirani zida zowulutsira zomwe zili ndi ntchito zothandiza. Ngati muli ndi chidwi ndi izo, omasuka Lumikizanani nafe!

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