I-FMUSER CZH518A-3KW 3KW 3000W I-Analog TV Transmitter Professional VHF/UHF I-Analog TV Transmitter yeziteshi ze-TV

EZIPHUMA

  • Intengo (USD): 35229
  • Ubuningi (PCS): 1
  • Ukuthumela (USD): 155
  • Ingqikithi (i-USD): 36779
  • Indlela Yokuthumela: DHL, FedEx, UPS, EMS, By Sea, By Air
  • Inkokhelo: TT (Ukudluliselwa Kwebhange), Western Union, Paypal, Payoneer

I-CZH518A-3KW 3000W Transmitter iyisiteshi esiqinile se-VHF/UHF se-analog TV transmitter. Isebenzisa i-TV exciter yochwepheshe futhi ifakwe ku-chassis wamayintshi angu-19, elungele wonke amazinga e-TV. Ngaphezu kwalokho, ukucushwa kwe-actuator eyodwa/kabili kungasetshenziselwa ukushintsha okuzenzakalelayo. Inemisebenzi yokulungiswa kwangaphambili kwemigqa eminingi nokungaqondile, i-offset frequency frequency, kanye nokuchezuka okunembayo (ngomthombo wereferensi wokunemba wangaphandle). Ingakwazi ukwenza kuqala futhi ilawule ukuphuma kwamandla ayingxenye futhi inokulawula kude nesixhumi esibonakalayo se-telemetry. Isikhulisi samandla sisebenzisa i-analog nedijithali ehambisana ne-LDMOS FET ekusakazeni kwe-TV. Ngokwezesekeli, kusetshenziswa ugesi ohambisana nokushintshwa kwekhwalithi ephezulu. Isikhulisi samandla kanye nokunikezwa kwamandla kusebenzisa izinto zokushintshashintsha ngokushisayo. Isikrini sokuthinta esikhulu sibonisa amapharamitha okusebenza awo wonke umshini kanye nemojuli ye-amplifier yamandla (PA) ngesikhathi sangempela. Imojuli yesikhulisi samandla singabonisa amapharamitha asebenzayo ngesikhathi sangempela. Wonke umshini unomsebenzi wamanje, izinga lokushisa elingaphezu kwamandla, amandla angaphezu kwamandla, kanye nemisebenzi yokuvikela isilinganiso samagagasi. Ngakho-ke, ukulahlekelwa kwamandla kanye negagasi lokuma le-synthesizer yamandla okwenziwa ngesikhathi esisodwa kuncane kakhulu, ngokulahleka okuphansi nokusebenza kahle okuphezulu.

Izinzuzo

I-CZH518F-3KW iyisiteshi se-TV ye-analog yesifunda esisodwa esiqinile i-VHF / UHF, isithombe, nomsindo ndawonye.

Imiklamo emithathu yokumisa engasasebenzi: idizayini ye-exciter redundancy, idizayini yokuphindaphinda kwesikhulisi samandla, idizayini yokuphindaphinda kokunikezwa kwamandla inganciphisa izinga lokungasebenzi libe ziro. Lokhu kusho ukuthi uma i-exciter eyinhloko yehluleka, ingashintshela ku-exciter yokulinda ngokuqhubekayo; ama-amplifiers amaningi ahlanganisiwe, futhi amamojula we-amplifier amandla ahambisana kakhulu.

Ama-exciter amabili abekwe eceleni futhi kulula ukuwashintsha; ahlinzekwa amandla ashintshwayo amaningi ngokuhambisana, futhi ikhompuyutha ingakwazi ukuqapha futhi ilungise ngokuzenzakalelayo isimo sokusebenza kwamandla kagesi.

Uhlelo lokuphatha nokuqapha oluhlakaniphile, olufakwe isixhumi esibonakalayo se-PC yenethiwekhi yangaphandle. Isofthiwe yokulawula ikhompuyutha esebenza ngokugcwele, enomsebenzi wokuxilongwa okuzenzakalelayo, ukutholwa kwedatha yobuchwepheshe, isistimu yokuqapha, neminye imisebenzi.

Izinyathelo zokuvikela ezididiyelwe eziguqulwe zisuka kumqondo wokuklama we-modular zinganciphisa ukulimala kwemishini. Lo mshini awunakho ukuvikelwa kwevidiyo; I-voltage stand wave ratio sikhulu kakhulu, ukushisa ngokweqile, ukuvuthwa ngokweqile, ukuntuleka kokuvikelwa kwesigaba, ukuvikelwa kombani.

I-over-voltage, over-current, under-voltage, over-temperature, short-circuit, nokuvikelwa kombani. Ngesikhathi esifanayo, yonke imingcele yobuchwepheshe ingafundwa nge-LCD. Zonke izinsiza zikagesi zishintsha amandla kagesi ngokusebenza kahle okuphezulu, ububanzi bokulungiswa okubanzi, nekhono eliqinile lokujwayela izinguquko zamandla kagesi zangaphandle. Idizayini yokushintshashintsha okushisayo yenza isikhulisi samandla kanye nokushintsha amandla okusekela ukushintshwa okushisayo, okulungele ukulungisa iphutha nokugcinwa, futhi kuthuthukisa ukuthembeka.

Isakhiwo esiqinile nokubukeka okuhle, okunefeni epholile eyakhelwe ngaphakathi.

1*CZH518F-3KW 3000W I-TV Transmitter

Ama-Technical Specs

Imvamisa yokusebenza: UHF 13~48 Isiteshi Ukukhetha ngokunganaki

Amandla okukhipha: 3KW (Synchronous)

Impingance okukhiphayo: 50Ω

I-VSWR yokuvinjelwa komthwalo wokukhiphayo: ≤1.12

Ukuhlanekezelwa kwe-Inter-modulation: ≤-50dB

Ukudlulisa okungenamsebenzi: Kusiteshi esiseduze≤-40dB

Isixhumi esibonakalayo se-RF: Φ40

Ukunikezwa kwamandla: Izigaba ezintathu ze-380V

Usayizi womumo: 1840mm×580mm×1150mm

Isisindo: 380KG

Ukusebenza Kwesithombe

Ileveli yokufaka imvamisa yevidiyo: 1VP-P i-positive polarity

I-impedance yokufaka imvamisa yevidiyo: 75Ω

I-DG: ±5%

I-DP: ±5°

Ukukhanya okungaqondile: ≤10%

Ukubambezeleka kweqembu: ≤±60ns

Isilinganiso sesignali-kuya-clutter sokuphazanyiswa kwesikhathi sefrikhwensi ephansi: ≥50dB

Ukusebenza Komsindo

Izinga lokufakwa komsindo: 0dBm±6dB

Ukuphazamiseka okokufaka komsindo: 10KΩ (ukungalingani)/600Ω(Ibhalansi)

Ubukhulu bokuchezuka kwefrikhwensi: ±50KHz

Ukuhlanekezela kwe-Harmonic: ≤1%

Izici ze-amplitude-frequency: ±1dB

I-Signal-to-clutter: ≥60dB

Attention

Izindleko zokuthumela zibalwe cishe, sicela usithinte ngempahla ngaphambi kokufaka i-oda.

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I-FMUSER INTERNATIONAL GROUP LIMITED.

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