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  3. High Power FM Transmitters

High Power FM Transmitters

Ma transmitters amphamvu kwambiri a FM (> 1000w) amagwiritsidwa ntchito nthawi zambiri powulutsa mawayilesi, monga mawayilesi ogulitsa. Atha kugwiritsidwanso ntchito pazinthu zina monga zida zochenjeza mwadzidzidzi, mawayilesi otetezedwa ndi anthu, komanso obwereza wailesi. Ntchito zina zikuphatikiza ma telemetry system, ma wayilesi anjira ziwiri, komanso kuyang'anira wailesi.

Kodi ma transmitter apamwamba kwambiri a FM ndi chiyani?
Chowulutsira champhamvu kwambiri cha FM ndi chida chamagetsi chomwe chimatumiza mafunde a wailesi ndi cholinga choulutsira mawu omvera kudera lalikulu. Nthawi zambiri amakhala ndi mphamvu yotulutsa> 1000w, yomwe imakhala yokwera kwambiri kuposa mphamvu yamagetsi yamawayilesi a FM. Ma transmitters amphamvu kwambiri a FM amagwiritsidwa ntchito pawayilesi ndi wailesi yakanema, komanso poulutsa zadzidzidzi ndi mauthenga ena oteteza anthu.
Kodi mumagwiritsa ntchito bwanji chowulutsira champhamvu kwambiri cha FM pawayilesi?
1. Onetsetsani kuti muli ndi zilolezo ndi ziphaso zoulutsira mawu mdera lanu.
2. Pezani chowulutsira pawailesi chomwe ndi chovomerezeka ndi FCC ndipo chikugwirizana ndi zofunikira za wayilesi yanu.
3. Ikani chowulutsira mawailesi, kuonetsetsa kuti zolumikizira zonse zili zotetezedwa bwino komanso kuti chowulutsiracho chakhazikika bwino.
4. Khazikitsani dongosolo lanu la mlongoti kuti muwonetsetse kuti chizindikiro chanu chawayilesi chikufalitsidwa bwino.
5. Lumikizani chowulutsira ku gwero lanu lomvera ndikuwonetsetsa kuti chizindikirocho ndi champhamvu komanso chomveka.
6. Khazikitsani magawo onse ofunikira mkati mwa transmitter kuti muwonetsetse kuti chizindikirocho chikuwulutsidwa bwino.
7. Yang'anirani momwe makina otumizira mauthenga amayendera nthawi zonse kuti muwonetsetse kuti chizindikirocho chikufalitsidwa bwino komanso popanda kusokoneza.

Mavuto oyenera kupewa:
1. Onetsetsani kuti transmitter yakonzedwa bwino komanso kuti zosintha zilizonse pamagetsi zimachitidwa mosamala kuti musasokoneze ma siginecha ena.
2. Onetsetsani kuti dongosolo la mlongoti lakonzedwa bwino komanso kuti siginechayo siyikuwulutsidwa pafupi kwambiri ndi ma siginoloji ena owulutsa, kapena pamlingo woletsedwa.
3. Pewani kutentha kwa transmitter komwe kungayambitse mavuto opatsirana ndikuchepetsa moyo wa zida.
4. Yang'anirani kutulutsa kwa siginecha nthawi zonse kuti muwonetsetse kuti ili m'malire ovomerezeka, ndipo tengani njira zowongolera ngati kuli kofunikira.
Kodi ma transmitter amphamvu kwambiri a FM amagwira ntchito bwanji?
Chowulutsira champhamvu kwambiri cha FM pawayilesi yowulutsa chimagwira ntchito ndikukulitsa chikwangwani cha wailesi kuti chikhale champhamvu kwambiri kuposa chowulutsira wamba. Amplifier imalumikizidwa ndi mlongoti, womwe umatumiza chizindikiro chokulitsa kudera lalikulu. Chizindikirocho chimatengedwa ndi olandila ma FM m'derali, kuti omvera amve kuwulutsa.
Chifukwa chiyani chowulutsa champhamvu kwambiri cha FM chili chofunikira pa wayilesi?
Chowulutsira champhamvu kwambiri cha FM ndichofunikira pawayilesi yowulutsa chifukwa chimalola kuwulutsa kokulirapo komanso kulimba kwa siginecha kudera lalikulu. Izi ndizofunikira makamaka pamawayilesi omwe amatumikira kumidzi kapena kumidzi, kapena kwa omwe ali ndi cholinga chokweza omvera. Ma transmitter amphamvu kwambiri amafunikiranso pawayilesi yowulutsa chifukwa ndiyo njira yokhayo yofikira malo ofunikira.
Kodi ndi mphamvu ziti zomwe zimawonedwa kwambiri ndi ma transmitter amphamvu kwambiri a FM, ndipo angafikire pati?
Mphamvu yodziwika kwambiri yotulutsa mphamvu yamphamvu kwambiri ya FM imakhala pakati pa 1 kW ndi 50 kW. Kutengera kutalika kwa tinyanga, mtunda, ndi zinthu zina, ma transmitterswa amatha kuyenda mtunda wamakilomita 50 kapena kupitilira apo.
Momwe mungapangire pang'onopang'ono wayilesi yathunthu ya FM yokhala ndi ma transmitter amphamvu kwambiri a FM?
1. Fufuzani ndikupeza laisensi ku FCC kuti muulutse mwalamulo wailesi yanu ya FM.

2. Sankhani malo otumizira ma FM ndi mlongoti. Onetsetsani kuti malowa akukwaniritsa zofunikira zonse za FCC.

3. Pezani zida zofunika, monga chowulutsira ma FM, mlongoti, nsanja, ndi zina.

4. Ikani cholumikizira cha FM ndi mlongoti.

5. Lumikizani chowulutsira cha FM kumagetsi ndi gwero la mawu.

6. Sinthani chowulutsira ma FM kufupipafupi komwe mukufuna.

7. Yesani mphamvu ya siginecha ndi mtundu wa kuwulutsa kwanu.

8. Nthawi zonse muzisamalira ndi kuyang'ana chowulutsira chanu cha FM ndi mlongoti kuti muwonetsetse kuti zonse zikuyenda bwino.

9. Sungani laisensi yanu ya FCC yanthawi zonse komanso motsatira malamulo onse.
Kodi chowulutsira champhamvu kwambiri cha FM chikhoza bwanji kuphimba?
Zimatengera mtundu wa transmitter ndi zinthu zina zosiyanasiyana, monga kutalika kwa transmitter ndi mtunda wa dera. Nthawi zambiri, chowulutsira champhamvu kwambiri cha FM chimatha kuphimba kulikonse kuyambira ma 5 mpaka 100 mamailosi kapena kupitilira apo.
Ndi chiyani chomwe chimatsimikizira kuphimba kwa ma transmitter amphamvu kwambiri a FM ndipo chifukwa chiyani?
Kuphimba kwa chowulutsira champhamvu kwambiri cha FM kumatsimikiziridwa ndi kutalika kwa mlongoti ndi mphamvu ya chowulutsira. Pamene mlongoti uli pamwamba kwambiri komanso mphamvu yotumizira mauthenga, chizindikirocho chimatha kuyenda kutali. Kuphimba kumatengeranso mtundu wa mtunda womwe chizindikiro chikudutsamo. Ngati mtundawo ndi wafulati, chizindikirocho chimatha kuyenda kutali kuposa ngati mtundawo uli wamapiri. Kuwulutsa kungakhudzidwenso ndi ma wayilesi ena m'derali, zomwe zingasokoneze chizindikiro chomwe mukufuna.
Kodi mumakweza bwanji kufalikira kwa ma transmitter amphamvu kwambiri a FM?
Khwerero 1: Onani VSWR ya antenna. VSWR iyenera kukhala pansi pa 2: 1. Ngati sichoncho, sinthani dongosolo la mlongoti kuti muchepetse VSWR.

Khwerero 2: Ikani mlongoti wolunjika. Ma antennas owongolera amatha kuyang'ana chizindikiro kumbali imodzi, ndikuwonjezera kufalikira kwa ma siginecha m'derali.

Khwerero 3: Ikani amplifier yamphamvu kwambiri. Ma amplifiers apamwamba amawonjezera mphamvu yamagetsi, zomwe zidzawonjezera kufalikira.

Khwerero 4: Ikani mlongoti wolimbikitsa. Mabooster antennas amatha kuthandizira kukulitsa chizindikiro, kukulitsa malo ofikira.

Khwerero 5: Ikani fyuluta yapamwamba kwambiri. Chosefera chokwera kwambiri chingathandize kuchepetsa kusokonezedwa ndi masiteshoni ena, kukulitsa kufalikira kwa ma siginecha.

Khwerero 6: Konzani makonda a transmitter. Izi zikuphatikiza kusintha mphamvu, kusinthasintha, ma frequency, bandwidth, ndi zina zambiri kuti muwonjezere kufalikira.

Khwerero 7: Yang'anirani mawonekedwe a siginecha pafupipafupi. Izi zikuthandizani kuzindikira madera omwe kufalikira kuli kofooka ndikusintha ma transmitter moyenerera.
Kodi pali mitundu ingati ya ma transmitters amphamvu kwambiri a FM?
Pali mitundu itatu yayikulu yama transmitter amphamvu kwambiri a FM (> 1000w): ma transmitters a analogi FM, ma transmitters a digito FM, ndi ma DAB+ FM. Ma transmitters a Analog FM ndi omwe amagwiritsidwa ntchito kwambiri pamawayilesi ndipo nthawi zambiri amapereka mawu apamwamba kwambiri. Ma transmitters a Digital FM amagwiritsidwa ntchito pamawayilesi a digito, omwe akukhala otchuka kwambiri chifukwa chakumveka kwawo kwamawu apamwamba. Ma transmitters a DAB + FM amagwiritsidwa ntchito powulutsa mawu pa digito ndipo amapereka mawu apamwamba kwambiri. Kusiyana kwakukulu pakati pa mtundu uliwonse wa ma transmitter ndi mtundu waukadaulo womwe umagwiritsidwa ntchito komanso mtundu wamawu womwe amapereka.
Kodi mumasankha bwanji ma transmitter apamwamba kwambiri a FM pawailesi ya aa?
Posankha chowulutsira champhamvu kwambiri cha FM pawayilesi, ndikofunikira kuganizira zingapo. Choyamba, muyenera kuwunika mphamvu za transmitter kuti muwonetsetse kuti ndizokwanira pazosowa zanu. Kachiwiri, lingalirani za mawonekedwe ndi kumasuka kwa kugwiritsa ntchito chotumizira. Chachitatu, fufuzani zamtundu wa zida zomwe zimagwiritsidwa ntchito potumiza mauthenga komanso mbiri ya kampani. Pomaliza, yang'anani mtengo wa transmitter kuti muwonetsetse kuti ikugwirizana ndi bajeti yanu. Mwakuwunika mosamala zinthuzi, mutha kupanga chisankho mwanzeru ndikusankha chowulutsira champhamvu kwambiri cha FM pawailesi yanu.
Kodi mumalumikiza bwanji chowulutsira champhamvu kwambiri cha FM?
1. Lumikizani cholumikizira chanu chachikulu ku mlongoti.
2. Ikani chowulutsira chatsopano champhamvu champhamvu cha FM ndikuchilumikiza ku mlongoti wotumizira.
3. Lumikizani chowulutsira ku tcheni chomvera cha siteshoni pogwiritsa ntchito zingwe zomvera.
4. Lumikizani mphamvu yamagetsi yotumizira ndikuwonetsetsa kuti yakhazikika bwino.
5. Lumikizani chowulutsira ku makina owunikira kuti muwonetsetse kuti ikugwira ntchito moyenera.
6. Lumikizani makina owongolera a transmitter ndi makina opangira ma station.
7. Khazikitsani kachitidwe koyenera ka mlongoti kwa chowulutsira.
8. Yang'anani maulaliki onse, limbitsani chowulutsira, ndikuyesa dongosolo.
Ndi zida zina ziti zomwe ndikufunika kuti ndiyambitse wayilesi yowulutsa, kupatula chowulutsira champhamvu kwambiri cha FM?
Kuti muyambitse wayilesi ya FM, mufunika zida zotsatirazi kuwonjezera pa chowulutsira champhamvu kwambiri cha FM:

1. Mlongoti: Izi zidzagwiritsidwa ntchito kuulutsa siginecha kuchokera pa cholumikizira chanu kupita kumadera ozungulira.

2. Zida Zopangira Situdiyo: Izi zikuphatikizapo maikolofoni, zosakaniza, makina omvera, makompyuta, ndi zipangizo zina zogwirizana nazo popangira zomvera pa siteshoni yanu.

3. Zida Zosewerera Zomvera: Izi zikuphatikiza zosewerera zomvera ndi zida zina zofunika pakusewerera nyimbo ndi zina zomvera pamlengalenga.

4. Audio Storage: Izi zikuphatikizapo hard drive ndi zipangizo zina zosungiramo kujambula ndi kusunga zomvetsera.

5. Pulogalamu Yosinthira Zomvera: Pulogalamuyi idzagwiritsidwa ntchito popanga ndi kusintha zomvera pa siteshoni yanu.

6. Broadcast Automation Software: Pulogalamuyi imayendetsa makina oulutsira, kukulolani kuti muzisewera nyimbo, malonda, ndi zina zomvetsera pa ndandanda yokhazikika.

7. Radio Automation System: Izi zikuphatikizapo hardware ndi mapulogalamu ofunikira poyendetsa makina a wailesi.

8. Radio Transmitter: Izi zimagwiritsidwa ntchito potumiza mawu omvera kuchokera ku wayilesi yanu kupita kwa omvera pawailesi m'dera lanu.
Ndizinthu ziti zofunika kwambiri zakuthupi komanso za RF za transmitter yamphamvu kwambiri ya FM?
Zofunikira kwambiri zakuthupi ndi za RF za transmitter yamphamvu kwambiri ya FM zimaphatikizira kutulutsa mphamvu kwa RF, kuchuluka kwa ma frequency, kuchita bwino, kupindula, kupotoza kwa harmonic, kupotoza kwa intermodulation, kutulutsa kwabodza, kukhazikika pafupipafupi, kusinthasintha, kulowetsa mawu, kuyika kwa RF, kutulutsa kwa RF, dongosolo yozizira, ndi zofunika magetsi.
Kodi mumasunga bwanji cholumikizira champhamvu kwambiri cha FM?
1. Yang'anani chowulutsira ngati chawonongeka kapena chawonongeka. Yang'anani maulalo ndi zingwe zonse zotayirira kapena zosweka.

2. Yesani kutulutsa kwa transmitter pogwiritsa ntchito wattmeter ndi modulator ya FM kuti muwonetsetse kuti ikupereka mphamvu yoyenera.

3. Onetsetsani kuti kusiyana kwa mpweya pakati pa chowulutsira ndi mlongoti wasinthidwa bwino komanso kuti kulibe zopinga zilizonse.

4. Yang'anani fyuluta ya RF kuti muwonetsetse kuti ndiyotanitsidwa bwino komanso kuti malumikizidwe onse ndi otetezeka.

5. Yang'anani makina ozizirira kuti muwonetsetse kuti akuyenda bwino komanso kuti palibe zotchinga mu fani.

6. Yang'anirani milingo yonse yamagetsi ndi magawo ena aukadaulo kuti muwonetsetse kuti chowulutsira chikugwira ntchito molingana ndi zomwe wopanga amapanga.

7. Sinthani milingo ya ma transmitter kuti muwonetsetse kuti ikukhalabe m'magawo ovomerezeka.

8. Chitani zokonza nthawi zonse pazida zilizonse zothandizira, monga purosesa yomvera, kuti muwonetsetse kuti zikuyenda bwino.

9. Lembani zonse zomwe zawerengedwa ndi kukonza mu bukhu lolembera kuti mudzazigwiritse ntchito mtsogolo.
Kodi mumakonza bwanji chowulutsira champhamvu kwambiri cha FM ngati sichigwira ntchito?
Gawo loyamba pakukonza ma transmitter amphamvu kwambiri a FM ndikuzindikira chomwe chikuyambitsa kulephera. Izi zitha kuchitika poyang'ana mphamvu yamagetsi, kuyang'ana mawaya, ndikuwunika zida zowonongeka. Pomwe chifukwa chake chadziwika, ndikofunikira kusinthira zida zilizonse zosweka kapena zowonongeka. Izi zitha kuchitika pogula zida zatsopano kapena kupeza zida zolowa m'malo pamalo okonzera wailesi. Pomaliza, chotumizira chiyenera kuyesedwa kuti chitsimikizire kuti chabwerera m'malo ogwirira ntchito.

Kodi mawonekedwe oyambira amphamvu kwambiri a FM transmitter ndi chiyani?
Mapangidwe oyambira amagetsi apamwamba kwambiri a FM amakhala ndi RF amplifier, modulator, amplifier mphamvu, chophatikizira cha RF, ndi mlongoti.

RF amplifier imakulitsa chizindikiro chotumizira. Modulator imapanga chizindikiro ndikuwonjezera mawu omwe ayenera kufalitsidwa. Magetsi amplifier amakulitsa chizindikiro chotumizira. Chophatikizira cha RF chimaphatikiza ma siginecha kuchokera ku amplifier mphamvu ndi modulator ndikudyetsa ku mlongoti.

Mphamvu amplifier imatsimikizira zomwe zimapangidwira komanso magwiridwe antchito a transmitter. Popanda chokulitsa mphamvu, zigawo zina zitha kugwirabe ntchito, koma chizindikirocho sichingakhale champhamvu kuti chifalitsidwe.
Ndani ayenera kupatsidwa kuyang'anira kuyendetsa mu ma transmitter a FM?
Pawailesi yakanema, munthu amene wapatsidwa ntchito yoyang'anira ma transmitter amphamvu kwambiri a FM akuyenera kukhala mainjiniya odziwa zambiri komanso womvetsetsa bwino zaukadaulo wamawayilesi. Munthuyu ayenera kukhala ndi luso laukadaulo ndi chidziwitso, luso lotha kuthana ndi mavuto, kusamala kwambiri mwatsatanetsatane, ndikutha kuthana ndi zida zovuta. Kuphatikiza apo, munthuyo ayenera kukhala ndi luso loyankhulana bwino komanso kutha kumvetsetsa ndikutsata ndondomeko ndi njira zotetezera.
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