Qalabka RF

Nagu Saabsan

FMUSER, oo ah iibiye qalab baahinta AM xirfadle ah, oo leh heer sare faa'iidooyinka kharashka iyo waxqabadka alaabta, waxay soo gaarsiisay xalal baahinta AM oo hormuud ka ah warshadaha tobanaan xarumood oo AM oo adduunka ah. Marka lagu daro dhowr gudbiyeyaal awood aad u sarreeya oo AM ah oo la keeni karo wakhti kasta, waxaad sidoo kale heli doontaa caawiyeyaal kala duwan si ay ugu shaqeeyaan nidaamka ugu muhiimsan isku mar, oo ay ku jiraan culeyska tijaabinta oo leh awood ilaa 100kW/200kW (1, 3, 10kW sidoo kale waa la heli karaa), tayo sare leh imtixaanada, iyo anteeno hababka iswaafajinta impedanceDoorashada xalka baahinta AMUSER ee AM waxay la macno tahay inaad weli dhisi karto nidaam baahinta waxqabadka sare ee AM qiimo xaddidan - kaasoo hubinaya tayada, cimriga dheer iyo isku halaynta xaruntaada ballaadhan.

 

MUUJINTA KEY

  • Xamuulka iska caabinta
  • Culaysyada RF (fiiri buug-yaraha)
  • CW waxay ku rareysaa awood ilaa MW ah
  • Modulator-ka garaaca garaaca ayaa culeys ku haya awoodaha ugu sarreeya
  • Wareegyada RF matrixka (coaxial/simmetrical)
  • Baluns iyo khadadka quudiyaha
  • Xadhkaha Korantada Sare
  • Nidaamyada xakamaynta/ilaalinta caawimada
  • Nidaamyada badbaadada oo aan badnayn
  • Ikhtiyaarada dheeraadka ah ee isdhexgalka marka la codsado
  • Imtixaanka Module wuxuu taagan yahay
  • Qalabka iyo Qalabka Gaarka ah

 

#1 Culayska Tijaabada Gobolka Adag ee FMUSER (Qiyaamaha Dummy) ee Wariyayaasha AM

Cod-weynayaal badan oo FMUSER RF ah, gudbiyeyaal, sahay koronto ama modulators ayaa ku shaqeeya ugu sarreeya iyo celcelis ahaan. Tani waxay ka dhigan tahay in aysan suurtagal ahayn in lagu tijaabiyo nidaamyadan oo kale culeyska loogu talagalay iyada oo aan khatar loo gelin culeyska. Intaa waxaa dheer, awoodda wax soo saarka sare ee sidaas oo kale ah, gudbiyaasha hirarka dhexdhexaadka ah ayaa looga baahan yahay in la ilaaliyo ama la tijaabiyo wakhti kasta oo kale, sidaas darteed culeyska tijaabada ah ee tayada sare waa qasab xarunta baahinta. Culaysyada tijaabada ah ee ay soo saartay FMUSER waxay ku dhex darsatay dhammaan qaybaha lagama maarmaanka ah dhammaan golaha-hal-hal-kaliyadood, taas oo u oggolaanaysa kontoroolka fog iyo beddelka tooska ah iyo gacan-ku-beddelashada - run ahaantii, tani waxay macnaheedu noqon kartaa wax badan maaraynta nidaamka baahinta AM.

 

#2 FMUSER's Module Test Stand

Istaarooyinka tijaabada waxaa inta badan loogu talagalay in lagu hubiyo in gudbiyaasha AM ay ku jiraan xaalado shaqo oo wanaagsan ka dib hagaajinta cod-weyneeye iyo boodhka cod-weyneeye. Marka laga gudbo imtixaanka, gudbiyaha si fiican ayaa loo shaqayn karaa - tani waxay kaa caawinaysaa in la dhimo heerka guuldarada iyo heerka hakinta.

 

#3 FMUSER's AM Anteenada Nidaamka Iswaafajinta

Anteenooyinka gudbiyaha AM, cimilada la beddeli karo sida onkodka, roobka iyo qoyaanka, iwm. ayaa ah arrimaha ugu muhiimsan ee keena leexinta impedance (tusaale ahaan 50 Ω), taasi waa sababta saxda ah ee loo baahan yahay nidaamka isbarbardhigga impedance - si dib loogu habeeyo impedance anteenada . 

 

Anteenooyinka baahinta AM inta badan aad bay u weyn yihiin oo aad bay u fududahay in la xakameeyo leexashada, iyo nidaamka impedance-ka ee FMUSER waxaa loogu talagalay hagaajinta la qabsiga la qabsiga anteenooyinka baahinta AM. Mar alla markii dambaska anteenada AM uu ka leexdo 50 Ω, nidaamka la-qabsiga ayaa la hagaajin doonaa si uu dib ugula jaanqaado xannibaadda shabakadda qaabeynta illaa 50 Ω, si loo hubiyo tayada gudbinta ugu wanaagsan ee gudbiyaha AM.

WEYDIISASHADA

WEYDIISASHADA

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