Zosefera za RF Cavity

Komwe Mugule Zosefera za Low Pass za Radio Station?

 

 

FMUSER ndiwotsogola othandizira zida za studio kwa pafupifupi theka la zana. Kuyambira 2008, FMUSER yakhazikitsa malo ogwira ntchito omwe amalimbikitsa mgwirizano pakati pa ogwira ntchito zaukadaulo waluso komanso gulu lopanga mwaluso. Kupyolera mu mzimu umenewu komanso kudzipereka ku mgwirizano weniweni, FMUSER yatha kupanga misonkhano yamakono yamakono, pogwiritsa ntchito mfundo zomwe zayesedwa nthawi dzulo ndikuphatikiza sayansi yamakono yamakono. Chimodzi mwazochita zathu zonyada, komanso kusankha kotchuka kwamakasitomala athu ambiri, ndi athu RF low pass fyuluta za wayilesi.

 

"Ngati mukuyang'ana zida zaukadaulo zamawayilesi zogulitsa, bwanji osasankha imodzi mwazida zabwino kwambiri zoulutsira mawu kuchokera ku FMUSER? Amaphimba magulu onse amisonkhano yama radiofrequency filter, ina ndiyofunikira pa wayilesi, mwachitsanzo, fyuluta yotsika ya FM, limodzi ndi ma HPF ambiri ogulitsa, BPF yogulitsa, BSF yogulitsa, ndi zosefera zotsika zotsika. zogulitsa monga 88-108Mhz low pass fyuluta yogulitsa. Fyuluta ya UHF ndi VHF monga fyuluta ya UHF bandpass ndi VHF bandpass fyuluta, ndipo zachidziwikire, alinso ndi zida zapamwamba zapawayilesi zomwe zimagulitsidwa."

- - - - - James, membala wokhulupirika wa FMUSER

 

The Next Part ndi Chifukwa Chiyani Zosefera za RF Low Power Zimafunika? Pitani

 

Zomwe Timakubweretserani Patsambali

 

  1. Komwe Mungagule Sefa ya Low Pass?
  2. Chifukwa Chiyani Zosefera za Low Pass RF Zikufunika?
  3. Kodi Zokwiyitsa Za Harmonic ndi Zoyipa Zimachitika Motani?
  4. Zosefera Zabwino Kwambiri za RF Low Pass Zogulitsa 
  5. Momwe Mungasankhire Sefa Yabwino Kwambiri ya FM Harmonics pawailesi yawayilesi?
  6. Zosangalatsa Zokhudza Zosefera za RF

 

 FMUSER 20kW FM Low Pass Fyuluta Imagwira Ntchito Bwino Mu:

 

  • Mawayilesi aukadaulo a FM pazigawo, ma municipalities, ndi matauni
  • Mawayilesi apakatikati ndi akulu a FM okhala ndi kuwulutsa kwakukulu
  • wayilesi ya Professional FM yokhala ndi omvera opitilira mamiliyoni
  • Ogwiritsa ntchito pawayilesi omwe amafunikira mayankho athunthu a wailesi pamtengo wotsika

 

Chifukwa cha fakitale yapamwamba kwambiri padziko lonse lapansi, FMUSER, monga wopanga wamkulu wa kugulitsa zida zowulutsira, watumikira bwino mitundu yonse ya makasitomala popereka mayankho athunthu pawayilesi kwa zaka zoposa 10, chinthu chimodzi ndi chotsimikizika kuti ndi mkulu mphamvu lowpass fyuluta Zosefera za 2nd ndi 3rd harmonics nthawi zambiri zimagwiritsidwa ntchito kuphatikiza ndikulekanitsa ma wayilesi opanda zingwe kuchokera ku ma transmitters angapo a FM. 

 

"Sitinganene kuti FMUSER ndiye ogulitsa kwambiri pa wayilesi padziko lonse lapansi, koma kwa ena omwe amagwiritsa ntchito wayilesi, inde, FMUSER ndiwogulitsa komanso wopanga mawayilesi odalirika. zida zamawayilesi."

 

 - - - - - Peter, membala wokhulupirika wa FMUSER

 

▲ Komwe Mungagule Zosefera Zabwino Kwambiri za FM Low Pass ▲

▲ Bwererani ku Zamkatimu ▲

 

Chifukwa chiyani Zosefera za RF Low Power Zikufunika pa Radio Station?

 

Gawo Lakale ndi Komwe Mungagule Zosefera Zabwino Kwambiri za FM Low Pass | Pitani

The Next Part ndi Kodi Zokwiyitsa Za Harmonic ndi Zoyipa Zimachitika Bwanji | Pitani

 

Mbali Yofunikira ya Zida Zapa Radio Station

 

Nazi zifukwa zochepa zomwe zosefera za RF low pass ndizofunikira pamakampani owulutsa pawayilesi:

 

  • Ma Harmonics ndi kutulutsa kwabodza sikungapewedwe, ndipo zidzakhudza mawayilesi amtundu wosiyanasiyana wawayilesi ndikuchepetsa mtundu wamapulogalamu apawayilesi ndipo ndiye phindu lalikulu la fyuluta ya coaxial low pass kupita ku wayilesi.

 

  • Ngati simugwiritsa ntchito fyuluta yaukadaulo ya RF low pass, mutha kulangidwa ndi dipatimenti yoyang'anira wailesi yakumaloko (monga FCC) chifukwa chopanga kusokoneza kwakukulu pawailesi, mwachitsanzo, kuchuluka kwa ma harmonics osafunikira komanso zotulutsa zabodza zopangidwa ndi FM yanu ndi Wotumiza TV

 

  • Ma transmitters amawayilesi amagwiritsa ntchito zosefera zamphamvu zotsika kwambiri kuti apewe mpweya wa harmonic womwe ungasokoneze kulumikizana kwina.

 

  • Kupondereza ma transmitter ma transmitter a FM: Ma transmitter a FM nthawi zambiri amatulutsa ma harmonics - kuchulukitsa kwa ma frequency transmitter. Zina mwazomwe zimayambitsa kusokonezedwa ndi kulandila kwa VHF-tv ndi UHF-tv ndikulandila mawayilesi am'manja. Zosefera zamphamvu zotsika kwambiri izi zimadutsa mugulu lonse la ma frequency a FM ndikutayika pang'ono ndikupereka kuponderezedwa kwakukulu.

 

 

Gulani Zosefera za RF Harmonics kuchokera ku FMUSER Broadcast

 

Mtengo wapamwamba kwambiri wa RF Harmonics fyuluta ndi kuthandiza mawayilesi kusankha masigino ofunikira kuti agwiritse ntchito. Makamaka mawayilesi akulu, momwe angapatsire omvera mawayilesi apamwamba kwambiri popanda kulangidwa ndi oyang'anira mawayilesi amderali ndikofunikira kuti apititse patsogolo kupikisana kwa mawayilesi ndikukulitsa chidziwitso chawayilesi.

 

FMUSER amapereka Zosefera za harmonic monga 20kW FM otsika pass pass mphamvu ya transmitter mpaka 20 kW. Kupanga kwapadera kumapereka 45 dB kapena kukana kwakukulu kuchokera pachiwiri mpaka chakhumi cha harmonic ndi kupitirira. Izi zimabweretsa zosefera zazitali zonse 30% mpaka 50% zazifupi kuposa zosefera wamba za FM. 

 

Tili ndi zosefera zabwino kwambiri za RF zogulitsa, gulani zosefera za RF mphamvu imeneyo kuyambira 500W mpaka 1000W kuchokera ku FMUSER! Mwachindunji, iwo ali Zosefera zotsika za 20kW FM zogulitsa (LPF) ndi Zosefera za 10kW VHF zotsika zogulitsa (LPF), 10kW VHF bandstop fyuluta yogulitsa (BSF), 350W UHF digito bandpass fyuluta yogulitsa, ndi imodzi mwa zida zathu zogulitsa kwambiri pawayilesi - Zosefera za bandpass za FM zogulitsa.

 

Mutha kupeza zonse zomwe mungafune ngati mupitiliza kufufuza, tili nazo Zosefera bandpass za FM mphamvu kuyambira 500W kuti 1kW, makamaka, ndi 500W, 1500W, 3000W, 5000W, 10000W Zosefera bandpass za FM zomwe zidapangidwira mawayilesi a FM. Kupatula apo, makonda amapezeka pazosefera za harmonics, zonse zomwe zili ndi mtengo wa bajeti komanso mtundu wodabwitsa, tifunseni thandizo, tonse ndife makutu!

 

Monga imodzi mwamisonkhano yofunika kwambiri pawayilesi ya FM / TV, ndi RF patsekeke fyuluta ndizofunikira monga cholumikizira cha FM / UHF / VHF, chowulutsira pawailesi, mlongoti wotumizira, ndi zida zina zoulutsira mawu zofananira. Sikukokomeza kunena kuti monga chinthu choyambirira cha zinthu za RF passive, zosefera ndizofunikira kwambiri kuposa misonkhano ina iliyonse yongobwerezabwereza ndi masiteshoni oyambira.

 

Komabe, fyuluta ya RF, mwachitsanzo, chosefera chotsika cha RF, ndi chida chofunikira kumbali yotumizira pawailesi yowulutsira kuti itseke ma harmonics opangidwa ndi chowulutsira. Izi ndichifukwa choti oyendetsa makina a RF padziko lonse lapansi amagwiritsa ntchito ma frequency osiyanasiyana, ndiye kuti pali ma siginecha ambiri osokonekera omwe akugwedezeka mumlengalenga, ena amakhala akanema, ankhondo, ena amafufuza zanyengo ndi zina.

 

▲ Chifukwa chiyani Zosefera za RF Zimafunikira pa Radio Station ▲

▲ Bwererani ku Zamkatimu ▲

 

Kodi Zokwiyitsa Za Harmonic ndi Zoyipa Zimachitika Motani?

 

Gawo Lakale ndi Chifukwa chiyani Zosefera za Low Pass RF Zikufunika Pitani

The Next Part ndi Zosefera Zabwino Kwambiri za RF Harmonics Zogulitsa | Pitani

 

Chomwe chikuvutitsa mainjiniya onse a RF ndichakuti kutulutsa kwamtundu wa harmonic ndi kolakwika sikungapewedwe. Kwa ogwira ntchito pawayilesi, ndikofunikira kumvetsetsa kuti ma harmonics ndi mpweya woyipa ndi chiyani, kapena momwe amapangidwira komanso momwe angachepetsere mphamvu zake.

 

Nthawi yomweyo, ndizothandizanso kuwongolera machitidwe amawayilesi, gulu laukadaulo la FMUSER latifotokozera zambiri zamaganizidwe okhudza kumveka bwino komanso kutulutsa kwabodza.

 

Ngati mukufuna kumvetsetsa chifukwa chake mawayilesi amafunikira zosefera zaukadaulo za RF, mungafunike zotsatirazi

 

Kodi Ma Harmonics Amapangidwa Bwanji?

 

Mafupipafupi omwe amapezeka pafupipafupi kuphatikizika komwe amalowetsa amatchedwa ma harmonics. Mwa kuyankhula kwina, ma harmonics ndi kufalitsa kosafunikira, komwe kumakhala kambirimbiri komwe kumayembekezeredwa kufalikira. Izi kufala zapathengo kumachitika pa mlingo otsika mphamvu kuposa kufala ankafuna.

 

Monga tonse tikudziwa, pali zida zofunika kwambiri pamawayilesi, ndiko kuti, ma radio transmitters. Kaya ma transmitter a 1kW kapena 10kW apangidwa mwapadera, ndipo gawo loyambira la RF la transmitter lili ndi fyuluta ya band-pass, koma pafupifupi ma transmitter aliwonse a RF apanga ma harmonics, Ngakhale makina opanda zingwe omwe ali akatswiri kwambiri sangapewe zosokoneza komanso kusochera. kutulutsa

 

Ma Harmonics amawonedwanso kuti ndi omwe angayambitse kusokoneza kwa RF. Mafunde ena, monga mafunde a square, mafunde a sawtooth, ndi mafunde a katatu, amakhala ndi mphamvu zambiri pama frequency a harmonic.

 

Kodi Spurious Emission Amapangidwa Motani?

 

Mosiyana ndi ma harmonics, kutulutsa kwabodza sikuchitika pamene ma frequency olowera akuchulukirachulukira; Sanawafalitse dala. Kutulutsa kwabodza ndi kutulutsa mwangozi, komwe kumadziwika kuti splash. Ndi zotsatira za intermodulation, electromagnetic interference, frequency conversion, kapena harmonics.

 

▲ Kodi Zokwiyitsa Za Harmonic ndi Zoyipa Zimachitika Bwanji ▲

▲ Bwererani ku Zamkatimu ▲

 

Sefa Yabwino Kwambiri ya RF Low Power Yogulitsa 

 

Gawo Lakale ndi Momwe Ma Harmonics ndi Zotulutsa Zabodza zimachitikira | Pitani

The Next Part ndi Momwe Mungasankhire Zosefera Zabwino Kwambiri za FM Harmonics Pitani

 

Mufunika Zosefera za Low Pass RF Kuposa Kale

 

Tonse tikudziwa kuti ma radio transmitters amagwiritsa ntchito zosefera za RF zotsika kuteteza ma harmonics ndi zotulutsa zabodza zomwe zitha kusokoneza kulumikizana kwina, pomwe ma transmitters ambiri a FM amatulutsa zolumikizana ngakhale nthawi makumi ambiri pafupipafupi. 

 

Mwamwayi, FMUSER 20kW FM otsika pass pass ndi imodzi mwamisonkhano yabwino kwambiri yosefera ya RF pagulu la ma frequency a FM. Pofuna kuthandiza kuchepetsa kukhudzidwa komwe kumabwera chifukwa cha ma harmonics ndi kutulutsa kwabodza, FMUSER ikupereka zosefera zathu zonyada za harmonic. Zamgululi RF low pass fyuluta ya wayilesi ya FM.

 

Zosefera za Low Pass RF Zopangidwira Zabwino Kwambiri

 

Ngati simukufuna kuti ma harmonic osafunikirawo agwere mu gulu la pafupipafupi lomwe silikugwirizana ndi inu ndikuyambitsa kusokoneza kwakukulu (mutha kulandira makalata ambiri odandaula ndikulangidwa ndi mabungwe ena owongolera), mwachitsanzo, ma frequency amakanema a TV kapena mawayilesi ena. Kugwiritsa ntchito FMUSER 20kW RF otsika pass pass ndiye njira yabwino kwambiri yokuthandizani kuti musakhale ndi mawu osasangalatsa komanso makalata odandaula. 

 

 

  • Kutha Kusefa Kwapadera kwa Harmonics

 

Chinthu chachikulu cha izi fyuluta yamphamvu yotsika kwambiri ndi Harmonic attenuation luso - kutengera zoyeserera zodalirika za gulu loyeserera la FMUSER, kutsika kwachiwiri kwachidziwitso komanso kutsika kwamphamvu kwa izi. 20kW otsika pass RF fyuluta afika motsatana ≥ 35 dB ndi ≥ 60 dB, zomwe ndizovuta kwambiri zosefera za wayilesi. 

 

  • Kutayika Kwambiri-Kutsika Kwambiri

 

The kutayika kochepa kolowetsa za FMUSER 20kW FM otsika pass pass imapangitsa kuti ikhale yoyenera mphamvu zamagetsi mpaka 20000 watts, zomwe zikutanthauza kuti ndi fyuluta yodabwitsa ya RF, mumatha kuphatikiza kugwiritsa ntchito ma wayilesi osiyanasiyana okhala ndi mphamvu zosiyanasiyana pawayilesi, ndipo omvera amatha kupeza mapulogalamu a wailesi ndi wapamwamba kwambiri komanso ma harmonic otsika kwambiri! Cholumikizira: 3 1 / 8 "maximum athandizira mphamvu 20kw

 

  • Zabwino Kwambiri Zogwiritsa Ntchito

 

Zosefera za 20kW Low Pass zogulitsidwa, zomangidwa ndi njira yosavuta yolumikizira, zidapangidwira FM Radio Station. Poganizira zabwino wosuta zinachitikira, makina osefera amathandizira kuphatikiza kosavuta ndi ma transmitters a FM.

 

FMUSER imapereka mzere wathunthu wa Zosefera za FM ndi UHF/VHF kwa kuponderezedwa kwa ma harmonics pamawayilesi owulutsa. 

 

Padziko lonse lapansi, tikufuna kuthandiza oyendetsa mawayilesi padziko lonse lapansi kuti alekanitse ma transmitters a FM omwe amakhala motalikirana kwambiri, tikuwona kuti ena akuwonetsa chidwi chophatikiza ma frequency angapo a FM pa mlongoti umodzi, ena angafune kugwiritsa ntchito makonda. kwa ma transmit awo angapo m'malo awo. 20kW FM otsika pass pass, mwachitsanzo, ndi imodzi mwazogulitsa zathu zabwino kwambiri Zosefera za ma harmonics a FM amagwiritsidwa ntchito kuphatikizira ma wayilesi a FM mphamvu mpaka 20kW, mutha kumuwona munthu wamkuluyu pamawayilesi akulu akulu a FM.

 

TIKUMVETSERA ZOFUNIKA ANU NTHAWI ZONSE ngati mukufuna imodzi mwazogulitsa zathu zapamwamba Zosefera za RF harmonics. 

 

Mukuganiza Kuti Mukufuna Zambiri Kuposa Zomwe Mukuwona

 

Monga tanena pamwambapa, ndife amodzi mwa abwino kwambiri opanga zida zamawayilesi padziko lonse lapansi, kuphatikiza pa 20kW otsika pass RF fyuluta, mutha kukumananso ndi ena zosefera za RF zogulitsa kwambiri muzotsatirazi. Chabwino, mtengo wabwino komanso bajeti monga nthawi zonse.

 

Tchati A. FM/VHF LPF Low Pass Fyuluta Yogulitsa

 

Chotsatira ndi 10kW VHF Bandreject Sefa VHF BSF Bandstop Sefa fkapena Sale | Pitani

 

gulu lachitsanzo Max. Power input VSWR

pafupipafupi zosiyanasiyana

Kuchedwa

  2 ndi harmonic

  3rd harmonics

zolumikizira Pitani ku Zambiri
FM A 20 kW

 1.1

87 - 108 MHz

 35 dB

 60 dB

3 1 / 8 "

Zambiri
VHF B 10 kW

 1.1

167 - 223 MHz

 35 dB

 60 dB

3 1 / 8 "

Zambiri

 

Tchati B. 10kW VHF BSF Bandstop Bandreject Sefa Yogulitsa

 

Zakale ndi Zosefera za FM/VHF LPF Low Pass Zogulitsa | Pitani

Chotsatira ndi 350W UHF DTV BPF Bandpass Sefa Yogulitsa | Pitani

 

gulu lachitsanzo Max. Power input VSWR fv f0 ± 4MHz
pafupipafupi zosiyanasiyana

Kuchedwa

fv-4.43±0.2MHz

zolumikizira Pitani ku Zambiri
VHF A 10 kW ≤ 1.1
≤ 1.1

167 - 223 MHz

 20 dB

3 1/8" Zambiri

 

Tchati C. 350W UHF DTV BPF Bandpass Sefa Yogulitsa

 

Zakale ndi 10kW VHF BSF Bandstop Bandreject Sefa Yogulitsa | Pitani

Chotsatira ndi Fyuluta ya BPF Bandpass Yogulitsa | Pitani

 

gulu lachitsanzo Max. Power input Cavities VSWR Loss mayikidwe f0
f0 ± 3.8MHz
f0 ± 4.2MHz
f0 ± 6MHz
f0 ± 12MHz
Pitani ku Zambiri
UHF
A
350W
6

 1.15

474 MHz

 0.50 dB

 1.3db

 8 dB

 20 dB

 40 dB

Zambiri

858 MHz

 0.60 dB

 1.65db pa

 8 dB

 20 dB

 40 dB

Zambiri

 

Tchati D. FM BPF Bandpass Sefa Yogulitsa

 

Zakale ndi 350W UHF DTV BPF Bandpass Sefa Yogulitsa | Pitani

Chotsatira ndi Zosefera za VHF BPF Bandpass Zogulitsa | Pitani

 

gulu lachitsanzo Max. Power input Cavities VSWR

pafupipafupi zosiyanasiyana

Loss mayikidwe

f0

f0±300kHz

f0 ± 2MHz

f0 ± 4MHz

zolumikizira Pitani ku Zambiri
FM A 500W

3

 1.1

87 - 108 MHz

0.70 dB

0.75 dB

D 25 dB

D 40 dB

7-16 DIN

Zambiri
FM A1 500W

4

 1.1

87 - 108 MHz

1.10 dB

1.20 dB

D 40 dB

D 60 dB

7-16 DIN

Zambiri
FM A

1500W

Zamgululi

3

 1.1

87 - 108 MHz

Loss mayikidwe

0.30 dB

0.35 dB

D 25 dB

D 40 dB

7-16 DIN

Zambiri
FM A1

1500W

Zamgululi

4

 1.1

87 - 108 MHz

0.50 dB

0.60 dB

D 40 dB

D 60 dB

7-16 DIN

Zambiri
FM A

3000W

Zamgululi

3

 1.1

87 - 108 MHz

Loss mayikidwe

0.25 dB

0.30 dB

D 25 dB

D 40 dB

1 5/8"

Zambiri
FM A1

3000W

Zamgululi

4

 1.1

87 - 108 MHz

0.40 dB

0.45 dB

 40 dB

D 60 dB

1 5/8"

Zambiri
FM A

5000W

Zamgululi

3

 1.1

87 - 108 MHz

Loss mayikidwe

0.20 dB

0.25 dB

 25 dB

D 40 dB

1 5/8"

Zambiri
FM A1

5000W

Zamgululi

4

 1.1

87 - 108 MHz

0.35 dB

0.40 dB

D 40 dB

D 60 dB

1 5/8"

Zambiri
FM A

10000W

Zamgululi

3

 1.1

87 - 108 MHz

Loss mayikidwe

0.15 dB

0.15 dB

D 25 dB

D 40 dB

3 1/8"

Zambiri
FM A1

10000W

Zamgululi

4

 1.1

87 - 108 MHz

0.25 dB

0.30 dB

 40 dB

D 60 dB

3 1/8"

Zambiri

 

Tchati E. VHF Zosefera za BPF Bandpass Zogulitsa

 

Zakale ndi Fyuluta ya BPF Bandpass Yogulitsa | Pitani

Kubwerera ku Zosefera za FM/VHF LPF Low Pass Zogulitsa | Pitani

 

gulu lachitsanzo Max. Power input Cavities VSWR

pafupipafupi zosiyanasiyana

Loss mayikidwe

f0

f0±300kHz

f0 ± 2MHz

f0 ± 4MHz

zolumikizira Pitani ku Zambiri
VHF A 500W

4

 1.1

167-223 MHz

0.40 dB

0.50 dB

D 20 dB

D 35 dB

7-16 DIN

Zambiri
VHF A1 500W

6

 1.1

167-223 MHz

0.80 dB

1.00 dB

D 50 dB

D 70 dB

7-16 DIN

Zambiri
VHF A

1500W

Zamgululi

4

 1.1

167-223 MHz

Loss mayikidwe

0.15 dB

0.20 dB

D 20 dB

D 35 dB

1 5/8"

Zambiri
VHF A1

1500W

Zamgululi

6

 1.1

167-223 MHz

0.25 dB

0.30 dB

D 50 dB

D 70 dB

1 5/8"

Zambiri
VHF A

3000W

Zamgululi

3

 1.1

167-223 MHz

Loss mayikidwe

0.10 dB

0.15 dB

D 10 dB

D 20 dB

1 5/8"

Zambiri
VHF A1

3000W

Zamgululi

4

 1.1

167-223 MHz

0.20 dB

0.25 dB

D 20 dB

D 35 dB

1 5/8"

Zambiri
VHF A

5000W

Zamgululi

3

 1.1

167-223 MHz

Loss mayikidwe

0.10 dB

0.10 dB

D 10 dB

D 20 dB

1 5/8"

Zambiri
VHF A1

5000W

Zamgululi

4

 1.1

167-223 MHz

0.15 dB

0.20 dB

D 20 dB

D 35 dB

1 5/8"

Zambiri
VHF A

10000W

Zamgululi

3

 1.1

167-223 MHz

Loss mayikidwe

0.10 dB

0.10 dB

D 10 dB

D 20 dB

3 1/8"

Zambiri
VHF A1

10000W

Zamgululi

4

 1.1

167-223 MHz

0.15 dB

0.20 dB

D 20 dB

D 35 dB

3 1/8"

Zambiri

 

Gulani RF Harmonics Sefa ya Radio Station? Nawa Malo Oyenera!

 

FMUSER ndi m'modzi mwa opanga zosefera za RF omwe amapanga Zosefera za harmonics zogulitsa pafupi ndi maiko ndi zigawo za 200+ padziko lonse lapansi, nawa mayiko omwe aperekedwa komwe mungatchuleko.

 

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Tili Nthawi Zonse Pazosowa Zanu

 

Mukuganizabe za Mtengo wa RF Harmonics? Timapanga ndi kupanga bajeti komanso zotsika mtengo Zosefera za harmonics zamawayilesi, kuchokera Zosefera za LPF low pass ku bandstop zosefera ndi Zosefera za bandpass za FM/UHF/VHF, etc.

 

Lembani "Contact us" pepala kumanzere ndi tiuzeni zomwe mukufuna, mmodzi wa odziwa malonda athu adzayankha yomweyo ndi kuthandiza kusankha Fyuluta ya ma harmonics a FM/TV zomwe zimakwaniritsa zosowa zanu, makamaka pamafunso monga zosefera zotsika mtengo zogulitsa, kusintha makonda a bandpass, yankho lathunthu la makiyi amtundu, ndi zina zambiri. Chabwino, mafunso wamba monga mtengo, nthawi yobweretsera, kapena zofotokozera ndi zaulere kufunsa. Nenani zomwe mukufuna, TIKUMVETSERA NTHAWI ZONSE.

 

▲ Zosefera Zabwino Kwambiri za RF Harmonics Zogulitsa  ▲

▲ Bwererani ku Zamkatimu ▲

 

Momwe Mungasankhire Sefa Yabwino Kwambiri ya FM Harmonics pawailesi yawayilesi?

 

Gawo Lakale ndi Zosefera Zabwino Kwambiri za RF Harmonics Zogulitsa | Pitani

The Next Part ndi Zochititsa chidwi komanso Q&A pa Zosefera za RF Pitani

 

Ena mwamakasitomala athu amakayikira ngati, sindikudziwa bwino kusankha mtundu woyenera RF harmonics fyuluta, kapena ndikufuna mitundu iwiri ya zosefera za harmonics koma ndili ndi 50K $ yokha yogula, ndi zina.

 

Malinga ndi kafukufuku wamalonda wa Zosefera zamtundu wa FMUSER, tidapeza kuti kugulitsa kwapamwamba Zosefera za RF harmonic ali ndi izi zofanana:

 

1. Zosiyanasiyana Zosefera Makonda ndi OEM Mwalandiridwa

 

Mapangidwe ndi mapangidwe a fyuluta amawonetsa luso la wopanga zida zowulutsira komanso kuthekera kwa zida zowulutsira. Fyuluta yabwino kwambiri ya RF harmonics iyenera kukhala ndi mawonekedwe a mtengo wa bajeti, moyo wautali wautumiki. Zosefera za FMUSER 20kW FM zotsika pang'ono zimakhala zosavuta kugwiritsa ntchito komanso zotsika mtengo kwa ogwiritsa ntchito wailesiyi.

 

2. Kupezeka Osachepera 1 PCS Design ndi Custom Service

 

Ntchito yokonza ndikusintha mwamakonda imaperekedwa kwa Zosefera zosachepera 1 pcs. Chifukwa opanga mawayilesi osiyanasiyana amafunikira kukumana ndi zosowa zenizeni zamawayilesi osiyanasiyana, kaya wopereka zosefera wa RF amatha kusintha mwaufulu ndi zosefera zapangidwe zakhala imodzi mwamiyezo yoyesa kuchuluka kwa ogulitsa mafifa. Chifukwa chiyani FMUSER imangodziwikiratu kwa ambiri ogulitsa fyuluta makamaka chifukwa zosefera zawo za RF ndizosintha makonda, zogwira ntchito kwambiri, zamtengo wapatali, komanso zosavuta kugwiritsa ntchito. Ziribe kanthu kuchuluka kwa zosefera zapamwamba zomwe mukufuna kusintha, FMUSER imatha kukuthandizani nthawi zonse

 

3. Zosefera Zosefera za RF Harmonics kuchokera ku FMUSER

 

Momwe mungasankhire Zosefera zapamwamba za RF harmonics pakati pa ogulitsa zida zamawayilesi mchaka cha 2021 lakhala vuto lalikulu kwa makasitomala ambiri a FMUSER atsopano ndi akale.

 

Pambuyo pophunzira za gulu lathu laukadaulo, tapeza kuti magawo ena aukadaulo amathanso kukuthandizani kusankha, timachita nawo masewerawa, kudzipereka kuti tikupatseni fyuluta yathu yabwino kwambiri, chifukwa chake, ngati mukufuna. Zosefera za RF harmonic zogulitsidwa kapena mukufuna zambiri zaposachedwa mtengo zosefera za harmonic kuchokera ku FMUSER, chonde dziwani zimenezo TIKUMVETSERA NTHAWI ZONSE!  

 

  • Pimu Pansi Ndi Zizindikiro Zamphamvu

 

Mwachitsanzo, PIM (AKA: Passive Intermodulation), tikudziwa kuti PIM ndi zotsatira za zizindikiro zopanda pake zomwe zimapangidwa ndi kusakanikirana kwa maulendo awiri kapena kuposerapo pazida zopanda malire. Zizindikiro zatsopanozi zidzasokoneza ndi kusokoneza zizindikiro zoyambirira zomwe zimafalitsidwa pakati pa machitidwe awiri opanda waya. Ikhoza kupanga kusokoneza chizindikiro mu dongosolo lililonse lopanda zingwe. Kutsika kwa PIM kumatanthauza kukhala ndi chizindikiro cholimba ndi bandwidth yowonjezereka kwa ogwiritsa ntchito ambiri, zomwe zikutanthauza kukhutira kwamakasitomala ndi ndalama zambiri kwa ogwira ntchito.

 

  • Mudzafunika Kutayika Kwapang'onopang'ono ndikubwezeretsanso Kutayika

 

Kutayika kwa kulowetsa ndi kubwereranso kumachita gawo lofunikira pakupanga ndi kupanga zida zothamanga kwambiri monga zosefera za RF, zogawa mphamvu za RF, ndi zokulirakulira za RF. Ndizochitika zachilengedwe zomwe zimachitika mumitundu yonse yotumizira (kutumiza deta kapena kutumizira magetsi). Popeza izi ndizowona pafupifupi mizere yonse yopatsirana kapena njira zoyendetsera, njira yayitali, ndiyokwera kwambiri. Kuphatikiza apo, zotayika izi zidzachitikanso pamalo aliwonse olumikizirana pamzerewu, kuphatikiza zolumikizira ndi zolumikizira. Pamisonkhano yama frequency apamwamba monga zosefera za RF, zosefera zomwe zimatayika pang'ono ndi malo ena ogulitsa owoneka bwino nthawi zambiri zimatha kukhala chisankho choyamba kwa ogwiritsa ntchito wailesi.

 

  • Ndi Zambiri Kuposa Zomwe Mumawona

 

Mwachiwonekere, pali maumboni ofunikira kuposa kutayika kwa Insertion, magawo ena monga mtengo wophatikizira ndi kuwongolera mphamvu zambiri, ndi zina ndizofunikanso pakugula zosefera zabwino za RF harmonics. Ngati mukufuna zambiri zaulere za zosefera za RF harmonics, chonde onetsetsani kuti mwalumikizana ndi gulu lathu laukadaulo, ali 7/24 pa intaneti akuyembekezera uthenga wanu wabwino. Nazi zomwe gulu laukadaulo la FMSUER likuwonetsa:

 

  • Kuchepetsa kukula kwa fyuluta ndi mpikisano wamtengo Wangwiro wamitundu yosiyanasiyana ya mawayilesi awayilesi, monga Telecommunication system, IEEE 802.
  • Kukhazikika kwabwino kwa kutentha
  • Kuwongolera kwamphamvu kwambiri komanso mtengo wabwino kwambiri wochepetsera
  • Etc.

 

Popondereza Ma FM Station Transmitter Harmonics: Ma transmitter a FM nthawi zambiri amapanga ma harmonics - kuchulukitsa kwa ma frequency transmitter. Zina mwa izi zimayambitsa kusokoneza kulandila kwa VHF-TV ndi UHF-TV ndikulandila mawayilesi am'manja. Zosefera zotsika izi zimadutsa gulu lonse la FM ndikutayika pang'ono ndikupereka kuponderezedwa kwakukulu.

 

▲ Momwe Mungasankhire Zosefera Zabwino Kwambiri za FM Harmonics ▲

▲ Bwererani ku Zamkatimu ▲

 

Zochititsa chidwi komanso Q&A pa Zosefera za RF

 

Gawo Lakale ndi Momwe Mungasankhire Zosefera Zabwino Kwambiri za FM Harmonics Pitani

Bwererani ku Gawo Loyamba Komwe Mungagule Zosefera Zabwino Kwambiri za FM Low Pass | Pitani

 

Ngati mukufuna kudziwa zambiri za mawonekedwe ozungulira kapena kutsatsa kwa RF fyuluta, FMUSER ikukulimbikitsani kuti muphunzire zamagetsi osagwira ntchito kapena funsani gulu lathu lazamalonda mwachindunji, chifukwa zomwe mwawerenga sizokwanira kukufotokozerani zonse zosefera za RF. (PS: Wikipedia mwina sangathe kutero). Chifukwa chake, Zomwe tingakuchitireni ndikukufotokozerani momveka bwino mawonekedwe ndi mitundu ya zosefera za RF, ndi momwe zosefera za RF zimagwirira ntchito. Apa, FMUSER ikulemba mafunso osangalatsa okhudza Zosefera za RF zomwe zidakwezedwa ndi makasitomala amawayilesi athu, ndipo mayankho athu. Chonde pitilizani kuwerenga Ngati mukufuna kudziwa zambiri za zosefera za RF. 

 

Q1: Kodi Zosefera za RF Zimagwira Ntchito Bwanji Njira Zina Kupatula pa FM/TV Station?

 

Zosefera za RF ndizofunikira kwambiri paukadaulo wopanda zingwe, zosefera za RF zimagwiritsidwa ntchito ndi zolandila wailesi kuti ma frequency amtundu wokhawo azisangalatsidwa ndikusefa ma frequency ena osafunikira. Zosefera za RF zidapangidwa m'njira yoti zitha kugwira ntchito mosavuta pama frequency apakati mpaka apamwamba kwambiri, mwachitsanzo, megahertz ndi gigahertz. Chifukwa cha mawonekedwe ake ogwiritsira ntchito, amagwiritsidwa ntchito nthawi zambiri pazida monga wailesi, mauthenga opanda zingwe, TV, ndi zina.

 

Zosefera za RF zimatha kusefa phokoso kapena kuchepetsa kusokoneza kwa ma sigino akunja komwe kungakhudze mtundu kapena magwiridwe antchito amtundu uliwonse wolumikizirana. Kusowa kwa zosefera zoyenera za RF m'malo kumatha kusokoneza kusamutsa kwa ma frequency omwe amatha kuwononga njira yolumikizirana.

 

Ndi zosefera zolondola za RF m'malo, zosokoneza zakunja pamodzi ndi kusokoneza kwa ma siginecha komwe kumapangidwa ndi njira yolumikizirana yoyandikana nayo kumatha kutsekedwa mosavuta. Izi zimasunga mtundu wa ma frequency omwe amafunidwa ndikusefa ma frequency onse osafunikira mosavuta.

 

Chifukwa cha izi, zosefera za RF zimagwira ntchito yofunikira pamakina olumikizirana opanda zingwe, mwachitsanzo, satellite, radar, mafoni opanda zingwe, ndi zina zambiri. 

 

Nthawi zambiri, zosefera zimakhala zopepuka ndipo zimatha kuthandizira kukulitsa magwiridwe antchito a ma siginoloji. Zikadakhala kuti zosefera za RF zikulephera kupereka magwiridwe antchito omwe akuyembekezeka, mutha kuyang'ana zisankho zina zosiyanasiyana, chimodzi mwazo ndikuwonjezera chokulitsa pamapangidwe anu. Kuchokera pa chokulitsa cha Trellisware kupita ku zokulitsa mphamvu za RF zilizonse, mutha kusintha ma frequency apansi kukhala apamwamba; motero kukulitsa magwiridwe antchito amitundu yonse ya RF.

 

Kuphatikiza apo, zosefera za RF zimagwiranso ntchito kwambiri pama foni am'manja. Zikafika pama foni am'manja, amafunikira magulu angapo kuti azichita bwino. Ndi kusowa kwa fyuluta yoyenera ya RF, magulu osiyanasiyana sadzaloledwa kukhalapo nthawi imodzi zomwe zikutanthauza kuti magulu ena adzakanidwa, mwachitsanzo Global Navigation Satellite System (GNSS), chitetezo cha anthu, Wi-Fi, ndi zina. Apa, zosefera za RF zimagwira ntchito yofunika polola magulu onse kukhalapo nthawi imodzi.

 

Tithokoze chifukwa chakukula kwa R&D kwa FMUSER, timakupatsirani zosefera zingapo, chonde onetsetsani kuti mwalumikizana ndi gulu lathu lazamalonda ngati simukutsimikiza kuti ndi ati omwe ali abwino kwambiri pawailesi yanu yowulutsira, malonda athu ndi gulu laukadaulo likuyembekezera NDI MAkutu ONSE.

 

Q2: Mumapanga Bwanji Zosefera za RF?

 

Nthawi zambiri, zosefera za RF zimapangidwa ndi ma resonator ophatikizika ndipo amapangidwa ndi zinthu zomwe zimagwira ntchito ngati ma capacitor, ma inductors, ndi (nthawi zambiri) zosinthira za RF, zomwe zimakhala ndi ma inductors. Zosefera nthawi zambiri zimakhala zofananira, ndipo zikafunika kukulitsa mtundu wina zimatha kuphatikizidwa ndi zokulitsa za RF zokhazikitsidwa ndi RF transistors (mwina bipolar kapena field-effect). Zosefera ndizofunika zikafika pakusefa ma siginecha osafunika kuti asalowe mu sipekitiramu ya wailesi. Amagwiritsidwa ntchito limodzi ndi zamagetsi zosiyanasiyana. Komabe, kugwiritsidwa ntchito kwake kofunika kwambiri kumabwera mkati mwa ma radio frequency domain.

 

Kwa sefa yotsika yotsika, dera lake lomwe limalola magawo otsika otsika komanso kutsekereza zigawo zina zonse zapamwamba zimatchedwa sefa yotsika. Dzina LPF palokha limasonyeza otsika osiyanasiyana pafupipafupi.

 

Kutengera kugwiritsa ntchito ndi kukula kwa zida zopanda zingwe, pali mitundu yambiri yosefera, mwachitsanzo, zosefera zapakatikati, zosefera za planar, zosefera ma electroacoustic, zosefera za dielectric, zosefera za coaxial (zosagwirizana ndi chingwe cha coaxial), ndi zina zambiri.

 

FMUSER ndi katswiri wopanga Zosefera za RF harmonics. Tili ndi akatswiri kwambiri zida zoulutsira chidziwitso nkhokwe ndi luso gulu. Ngati muli ndi mafunso okhudza zosefera za RF powerenga gawoli, takulandilani kufunsa gulu lathu laukadaulo kuti lithandizire.

 

Q3: Ndi Mitundu Yanji ya Fyuluta ya RF Ilipo Ndipo Ndi Chiyani Kwenikweni?

 

Zosefera za Radio Frequency ndi mtundu wapadera wozungulira womwe umalola kuti ma siginecha oyenerera adutse pomwe akuletsa ma siginecha osafunika. Zikafika pa topology ya fyuluta, pali mitundu inayi yoyambira ya RF, mwachitsanzo; chiphaso chachikulu; band pass; ndi kukana gulu (kapena zosefera za notch). Zosefera zodziwika bwino za RF zimakhala ndi mawonekedwe a makwerero, ndipo "malo" a zigawo (inductors ndi capacitors) ndizomwe zimatanthauzira mtundu wawo; mfundo za zigawozi zimatanthawuza kuchuluka kwa ma frequency azizindikiro (ma) omwe amaletsa kapena osatsekereza.

 

  • Zosefera Zochepa - Zosefera za Lowpass - LPF

 

Chosefera chotsika ndi chomwe chimangolola kuti ma frequency otsika adutse nthawi imodzi, ndikuchepetsa ma frequency ena aliwonse. Kuchuluka kwa kuchepetsedwa kwa ma frequency a siginecha ikadutsa pa bandpass kumasankhidwa ndi zinthu zambiri monga fyuluta topology, masanjidwe, ndi mtundu wa zigawo, etc. Kuphatikiza apo, topology ya fyuluta imasankhanso momwe fyulutayo idzasinthira kuchokera ku passband kuti akwaniritse kukanidwa kwake komaliza.

 

 

LPF 

Zosefera za Low pass zimabwera m'njira zosiyanasiyana. Kugwiritsa ntchito kwakukulu kwa fyulutayi ndikuletsa ma harmonics a RF amplifier. Izi ndi zofunika chifukwa zimathandiza kupewa zosokoneza zapathengo pankhani zosiyanasiyana kufala magulu. Makamaka, zosefera zapansi zotsika zimagwiritsidwa ntchito pazomvera ndikusefa phokoso kuchokera kudera lililonse lakunja. Zizindikiro zama frequency apamwamba zikasefedwa, ma frequency amazidziwitso amapeza mawonekedwe owoneka bwino.

 

  • Zosefera Zapamwamba - Zosefera za Highpass - HPF

 

Mosiyana ndi fyuluta yotsika, fyuluta yapamwamba (HPF) imalola kuti chizindikiro chapamwamba kwambiri chidutse. Zowonadi, zosefera zapamwamba ndizogwirizana kwambiri ndi zosefera zotsika chifukwa zonse zingagwiritsidwe ntchito limodzi kupanga fyuluta ya bandpass. Mapangidwe a fyuluta yapamwamba ndi yowongoka ndipo amachepetsera ma frequency omwe ali otsika kuposa poyambira.

 

 

HPF 

Nthawi zambiri, zosefera zapamwamba zimagwiritsidwa ntchito mumayendedwe amawu momwe ma frequency onse otsika amasefedwa. Kuphatikiza apo, amagwiritsidwa ntchito kuchotsa mabasi m'makamba ang'onoang'ono, ndipo nthawi zambiri; zosefera izi makamaka anamanga mu okamba. Komabe, ngati zifika ku projekiti iliyonse ya DIY, zosefera zapamwamba zitha kulumikizidwa mosavuta mudongosolo.

 

  • Sefa ya Band Pass - Sefa ya Bandpass - BPF

 

Fyuluta ya bandpass (BPF) ndi dera lomwe limalola kuti ma siginecha ochokera kumayendedwe awiri osiyanasiyana adutse ndikuchepetsa ma siginecha omwe samabwera mkati mwazovomerezeka. Zosefera zambiri za bandpass zimadalira gwero lililonse lamagetsi lakunja ndikugwiritsa ntchito zida zogwira ntchito, mwachitsanzo mabwalo ophatikizika ndi ma transistors. Zosefera zamtunduwu zimatchedwa zosefera za bandpass zogwira ntchito. Kumbali ina, zosefera zamagulu ena sagwiritsa ntchito gwero lamphamvu lakunja ndipo zimadalira kwambiri zinthu zomwe zimangokhala, mwachitsanzo ma inductors ndi ma capacitor. Zosefera izi zimadziwika kuti passive bandpass filters.

 

 

Zosefera za band pass nthawi zambiri zimagwiritsidwa ntchito polandila opanda zingwe ndi ma transmitters. Ntchito yake yayikulu mu transmitter ndikuchepetsa bandwidth ya siginecha yotuluka kuti ikhale yocheperako kuti deta yofunikira iperekedwe mwachangu ndi mawonekedwe omwe mukufuna. Zikafika kwa wolandila, fyuluta ya band pass imalola kuchuluka kofunikira kwa ma frequency kuti atchulidwe kapena kumveka, kwinaku akudula ma siginecha ena obwera kuchokera kumayendedwe osafunika.

 

GMP

 

Zonsezi, pamene fyuluta ya bandpass imapangidwa bwino, imatha kukulitsa khalidwe la zizindikiro mosavuta, pamene nthawi yomweyo, ikhoza kuchepetsa mpikisano kapena kusokoneza pakati pa zizindikiro.

 

  • Sefa Yokana Gulu - Sefa ya Band Stop - Kanani Sefa - BSF

 

Nthawi zina amatchedwa band stop fyuluta (BSF), kukana kwa band ndi fyuluta yomwe imalola kuti ma frequency ambiri adutse osasinthidwa. Komabe, imachepetsa ma frequency oterowo omwe amagwera pansi pamitundu yeniyeni. Imagwira chimodzimodzi mosiyana ndi fyuluta ya bandpass.

 

 

Kwenikweni, ntchito yake ndikudutsa ma frequency kuchokera ku zero kupita kumalo oyamba odulira pafupipafupi. Pakati, imadutsa ma frequency onse omwe ali pamwamba pa gawo lachiwiri lodulidwa la ma frequency. Komabe, imakana kapena kutsekereza ma frequency ena onse omwe ali pakati pa mfundo ziwirizi.

 

BSF 

Zonsezi, fyuluta ndi chinthu chomwe chimalola kuti zizindikiro zidutse mothandizidwa ndi passband. Izi zati, choyimitsa mu fyuluta ndi pomwe ma frequency ena amakanidwa ndi fyuluta iliyonse. Kaya ndi kupita kwapamwamba, kutsika pang'ono, kapena bandpass, fyuluta yoyenera ndi yomwe imawonetsa kuti palibe kutayika kwa passband. Komabe, zenizeni, palibe chinthu ngati fyuluta yoyenera chifukwa bandpass imakumana ndi kutayika pafupipafupi ndipo sizingatheke kukanidwa kosatha ikafika poyimitsa.

 

▲ Zosangalatsa Zokhudza Zosefera za RF ▲

▲ Bwererani ku Zamkatimu ▲

 

  1. Zomwe Muyenera Kudziwa Zosefera 20kW FM Low Pass
  2. Mlozera Wamagetsi wa FMUSER 20kW Low Pass Selter (Nkhani Yokha)
  3. Kugawana Zowonjezera pa Kusokoneza Kwawayilesi

 
Zomwe Muyenera Kudziwa Zosefera 20kW FM Low Pass

 

The Next Part ndi Mlozera Wamagetsi wa FMUSER 20kW Low Pass Sefa Pitani

 

Geez, pali zinthu zambiri zomwe muyenera kuziganizira! Komabe, monga woyendetsa wailesi yakanema, mukudziwa zambiri kuposa zomwe FMUSER imadziwa, koma apa, kuti muteteze ndi kukhathamiritsa zida zanu zamawayilesi, FMUSER ikufunikabe kukupatsani malingaliro atatu, mutagula fyuluta yotsika ya 20kW FM. , zinthu zitatu muyenera kudziwa: ntchito, unsembe, ndi chingwe TV.

 

1. Kugwiritsa ntchito Fyuluta ya RF

 

Fyuluta yotsika iyi idapangidwa kuti ichepetse ndipo nthawi zambiri imachotsa kusokoneza kwa kanema wawayilesi chifukwa champhamvu yopangidwa mkati mwa ma transmitters a FM.

 

Sefayi ili ndi mbali ziwiri kutanthauza kuti ikhoza kuyikika mbali zonse. Mtundu A wa 20kW FM transmitter transmitter A umasonyeza kutsika kwa ma frequency pamwamba pa 140 MHz monga momwe akuyankhira m'munsimu.

 

 

Zindikirani: Mphamvu yolowera ya fyuluta ya 20kW SIYENERA kupitirira 20000 watts. Kugwiritsa ntchito mphamvu zapamwamba kumatha kuwononga zosefera ndikuchotsa chitsimikizo.

 

2. Kuyika kwa RF Fyuluta

 

  • Fyulutayo iyenera kuyikidwa pafupi ndi kutulutsa kwa chowulutsira momwe ingathere 
  • Kugwiritsa ntchito 3 1/8" zolumikizira za EIA zokhala ndi zolumikizira zachimuna kumapeto konse.

 

Chenjezo: ZOSEFA INGAYAMBA PAKATI PA KUGWIRITSA NTCHITO, ichi ndi chisonyezero chakuti ikugwira ntchito yake mwa kutaya mphamvu ya harmonic mu mawonekedwe a kutentha.

 

3. Dandaulo kuchokera ku Nerani TV Cable TV

 

Ngati transmitter yanu ikusokoneza dongosolo la TV ya chingwe vuto silingathetsedwe pogwiritsa ntchito fyuluta yotsika. Makampani ena a chingwe omwe sanyamula mawayilesi a FM pamakina awo amatha kuyika ma TV mugulu lowulutsa la FM. Ngati ndi choncho, ma frequency anu (onyamula) atha kukhala akuyambitsa kusokoneza ndipo zosefera sizikhala zothandiza. Lumikizanani ndi kampani yanu yama chingwe kuti mumve zambiri. Nthawi zina, kampani ya zingwe imatha kuthetsa vutoli posintha chingwe chakale kapena chotha.

 

Mlozera Wamagetsi wa FMUSER 20kW Low Pass Selter (Nkhani Yokha)

 

  • Zida zabwino kwambiri zamkuwa ndi siliva, zomwe ogwiritsa ntchito amalonjezedwa
  • Utali Wochepa
  • Kufalikira kwa Gulu lonse la FM
  • Ma Couplers Olimba Omwe Alipo
  • Kutayika Kwambiri Kwambiri Kuyika ndi VSWR
  • Mitundu yosiyanasiyana ya ma frequency ilipo kuti isankhidwe, zomwe zimakulitsa kuthekera kowulutsa
  • Magawo amphamvu osiyanasiyana amakwaniritsa zosowa za zochitika zingapo
  • Mulingo wotsogola wamafakitale pakutayika kotsika komanso VSWR kumapangitsanso kuwulutsa kwawayilesi
  • Kutsika kwakukulu pa 2nd ndi 3rd harmonic, palibe chifukwa chodandaula ndi zomwe zatuluka
  • Nenani zomwe mukufuna, timathandizira makonda.
  • Kukana Kwambiri Kupyolera mu 10th Harmonic
  • Etc.

 

lachitsanzo

A

B

kasinthidwe

Coaxial

Coaxial

pafupipafupi osiyanasiyana

87-108 MHz

167-223 MHz

Max. Power input

20 kW

10 kW

VSWR

≤ 1.1

≤ 1.1

Loss mayikidwe

0.1 dB

0.1 dB

Kuchedwa

2 ndi harmonic

D 35 dB

D 35 dB

2 ndi harmonic

D 60 dB

D 60 dB

zolumikizira

3 1/8"

3 1/8"

Nambala ya Zinthu

7

7

miyeso

85 × 95 × 965 mm

85 × 95 × 495 mm

Kunenepa

~ 8 makilogalamu

~ 4.4 makilogalamu

 

1. Zomwe zimayambitsa kutulutsa kwamphamvu komanso zabodza

 

  • Mawayilesi osachita bwino omwe sagwira ntchito bwino atha kukhala chifukwa cha ma harmonics amphamvu kwambiri. Zikhudzanso kufalikira kwa wailesi ya zida zina zapafupi.
  • Ma amplifiers amapanganso ma harmonics. Monga tonse tikudziwira, asokoneza mawonekedwe a mafunde, kapena sali ofananira pamlingo wina. Mawonekedwe olakwika a wayilesi amawonjezera ma harmonic. Chifukwa chake, mutha kuchepetsa kusokoneza pongotengera kapangidwe kabwino ka nsanja.
  • Ngakhale chipangizocho sichikutumiza mwachangu, chimatulutsa mpweya wolakwika. Izi zitha kukhala chifukwa cha ma siginecha othamanga kwambiri, mphamvu zamagetsi zaphokoso, kapena zovuta zina zamawu. Ngati chipangizocho chikutumiza mwachangu, kutulutsa kwabodza kumatha kuchitika pazifukwa ziwiri:
  • Chingwe chamagetsi cholumikizidwa ndi wailesi chimakhala ndi phokoso lambiri. Zimapangitsa kuti chokulitsa mphamvu cha wailesi kuti chipange ma frequency ena.
  • Zina mwazinthu pa PCB zimatenga ma frequency ofunikira.

 

Zindikirani: Kupatsirana kwachinyengo kumatha kuchitika ngati chotumiziracho chitumiza molakwika kunja kwa bandwidth yolondola kapena mawonekedwe omwe amagwiritsidwa ntchito. Apa, chowulutsira chimatulutsa kuphulika, komwe kumatha kusokoneza masiteshoni ena omwe amasinthidwa pafupipafupi pafupi ndi band ya frequency.

 

2. Momwe Mungachepetsere Kukhudzidwa kwa Harmonics ndi Kutulutsa Kwabodza?

 

Njira zotsatirazi zitha kuchitidwa kuti muwongolere mulingo wosokoneza:

 

  • Yang'anani pa transmitter kuti muchepetse kutulutsa kolakwika.
  • Onetsetsani kuti zida zaphokoso ndi zolumikizira zili kutali ndi mlongoti.
  • Pewani kugwiritsa ntchito ma radio transmitter osachita bwino omwe sagwira bwino ntchito.

 

CHidziwitso: Kutulutsa kwamphamvu komanso kolakwika sikungapewedwe koma kumatha kuchepetsedwa pang'ono. Chizindikiro chilichonse cha harmonic chomwe chili kunja kwa tchanelo chosankhidwa cha transmitter chimawonedwa ngati kufalitsa kwabodza. Nthawi zambiri zimakhala chifukwa cha zida zomwe sizikuyenda bwino kapena kusokoneza chilengedwe.

 

Kugawana Zowonjezera pa Kusokoneza Kwawayilesi

 

M'munsimu muli chidziwitso chowonjezera pawailesi kugawana zomwe kusokoneza wailesi ndi momwe mungachepetsere kusokoneza kwa wailesi. Timakhulupirira kuti pakhala pali zambiri zokwanira pa zosefera za RF, koma zovuta zina zotumizira ma wailesi ndi kulandirira zilipobe m'moyo weniweni. Makasitomala ambiri pawayilesi amalavulira mowawa pakusokoneza mawayilesi ndipo adatipempha kuti tiwakonzere njira zapadera. Chifukwa chake, tifotokoza mwachidule chidziwitso chothandiza chokhudza kusokoneza kwa wailesi m'mawu mazana otsalawo

 

1. Ndi Zida Zotani Zomwe Zingakhudzidwe ndi Kusokoneza Kwawayilesi?

 

Zida zonse zawayilesi ndi zomwe sizili zamawayilesi zitha kukhudzidwa kwambiri ndi ma siginecha a wailesi. Zida zamawayilesi zimaphatikizapo mawayilesi a AM ndi FM, makanema akanema, matelefoni opanda zingwe, ndi ma intercom opanda zingwe. Zida zamagetsi zomwe si zawayilesi zimaphatikizapo makina omvera a stereo, matelefoni a waya, ndi ma intercom okhazikika. Zida zonsezi zimatha kusokonezedwa ndi ma wayilesi.

 

2. Nchiyani Chingayambitse Kusokoneza Wailesi?

 

Kusokoneza kumachitika nthawi zambiri pamene mawayilesi ndi zida zamagetsi zimagwira ntchito moyandikana. Kusokoneza kumachitika ndi:

  • Zida zotumizira mawayilesi zosayikidwa bwino;
  • Chidziwitso champhamvu chawayilesi chochokera pa cholumikizira chapafupi;
  • Zizindikiro zosafunika (zotchedwa spurious radiation) zopangidwa ndi zida zotumizira; ndi
  • Kusatetezedwa kokwanira kapena kusefa mu zida zamagetsi kuti zisatenge zizindikiro zosafunikira.

 

3. Kodi Mungatani?

 

  1. Yesetsani kupewa zovuta zosokoneza zisanachitike. Funsani ndi akuluakulu am'matauni kuti mudziwe malamulo omwe amakhudza tinyanga ndi nsanja. Mukakhala ndi pulani yokhazikitsa yomwe ikukwaniritsa zofunikira zamatauni, lankhulani ndi anansi anu. Fotokozani zomwe mukufuna kuchita komanso chifukwa chake. Atsimikizireni kuti muchita zonse zomwe mungathe kuti mupewe vuto lililonse. Akumbutseni kuti GRS ndi oyendetsa wailesi yakanema nthawi zambiri amagwira ntchito yofunika kwambiri pothandiza maboma amderalo pakachitika ngozi zadzidzidzi komanso zochitika zazikulu zapagulu.
  2. Onetsetsani kuti zida zanu zayikidwa bwino. Mlongoti wa wayilesiyo uyenera kukhala kutali kwambiri ndi nyumba zoyandikana nawo komanso kutali ndi zingwe zamagetsi zomwe zingasokoneze kugwira ntchito kwake. Werengani mosamala gawoli, Kuyika Wailesi Yanu Yawailesi.
  3. Gwirani ntchito potengera malo anu poganizira anansi anu. Chepetsani mphamvu ya transmitter, ngati kuli kotheka, kufika pamlingo wochepera wofunikira kuti muzitha kulumikizana mokwanira. Kwa masiteshoni a GRS komwe kutumizira, zokulitsa mphamvu siziloledwa, kutulutsa kwakukulu kwa mlongoti sikuyenera kupitilira ma watts 4 (banding single side; 12watts pachimake).
  4. Onetsetsani kuti zida zanu zikusungidwa bwino malinga ndi zofunikira zake. Nthawi ndi nthawi, muyenera kutsimikizira kuti ma frequency otumizira ndi olondola, bandwidth ili mkati mwa malire ogwirira ntchito, ndipo zingwe za station, antenna, ndi dongosolo lapansi zili bwino.

 

4. Muyeneranso:

 

  • Khalani okhudzidwa ndi zovuta zosokoneza ndikuyesera kuthetsa mwamsanga momwe mungathere.
  • Gwirani ntchito ndi anansi anu kuti mudziwe chomwe chikuyambitsa vutoli komanso chomwe chimapangitsa kuti likhale labwino.
  • Pamene mukuyesera kupeza njira yothetsera vutoli, chepetsani mphamvu yanu yotumizira mauthenga ndi nthawi zogwiritsira ntchito. Ganizirani zotseka siteshoni yanu yonse mpaka vutolo litakonzedwa.
  • Khalani omasuka kutifunsa ngati mukukumana ndi zovuta zambiri

Kufufuza

Kufufuza

    LUMIKIZANANI NAFE

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    Malingaliro a kampani FMUSER INTERNATIONAL GROUP Limited

    Nthawi zonse timapatsa makasitomala athu zinthu zodalirika komanso ntchito zoganizira.

    Ngati mukufuna kulumikizana nafe mwachindunji, chonde pitani ku Lumikizanani nafe

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