Discone Antenna 101 - Nkhawa Zanu Zonse Zayankhidwa M'dera Limodzi

    

Ganizirani zomwe zimakuthandizani kuti muyang'ane momwe tsamba lawebusayiti lilili kapena kutsatira bwino ma terminal? Ndi Discone Antenna. Pakadali pano, poganizira kuti muli pansipa, tikuganiza kuti mulibe chidziwitso chilichonse chokhudza mlongoti uwu.

     

Mu Discone Antenna 101 iyi, tikutha kuwononga zonse zomwe muyenera kudziwa za chida ichi. Chifukwa chake, popanda zovuta zina, lolani kuti mulowemo.

    

Discone Antenna 101

Munkhani yaifupi iyi, tayesetsa kuyankha chilichonse chomwe chingachitike pa Discone Antenna. Kotero, tiyeni tifike kwa izo.

    

          

1. Kodi Mlongoti wa Discone Amagwiritsidwa Ntchito Pa Chiyani?

- Tinyanga nthawi zonse zakhala njira yotsimikizira kuti mafunde, monga ma wayilesi kapena ma microwave, amatha kufikira komwe akupita.

   

Mlongoti wa Discone ndi mlongoti wina wotere. Itha kugwiritsidwa ntchito potumiza zinthu ngati mawonekedwe a omnidirectional wideband kapena kutumiza ma data, pomwe ili ndi nyumba zofanana ndi zomwe zimapezeka ndi tinyanga tambiri koma pamitundu yotakata.

    

Antenna ya Discone imadziwika chifukwa cha kuthekera kwake kukopera mawonekedwe a kondomu, zomwe zimapangitsa kuti ikhale yabwino ngati cholandirira wailesi iliyonse.

    

Chifukwa chake, anthu ambiri amawagwiritsa ntchito polumikizirana, kuyambira kusanthula komanso kuyang'anira mabizinesi kapena magulu ankhondo mpaka pamitundu yokonda kusakatula komwe munthu aliyense angagwiritse ntchito mwaukadaulo wofunikira momwe amagwirira ntchito.

   

Ma discone antennas ndi njira yodziwika bwino yopitilira 30 MHz, koma kamodzi pakanthawi, imatha kugwiritsidwa ntchito mumitundu yochepetsedwa ya 10-30MHz.

     

      

Ma radiation otsika kwambiri awa ndiabwino kwambiri pamapulogalamu a VHF/UHF poganizira kuti ali ndi chidwi chodabwitsa kwambiri chofananira kapena pafupi ndi mapulaneti - komanso osati pakuyika kokwezeka patsogolo monga momwe tinyanga zambiri zimachitira.

     

Chakumapeto kwa bandwidth yake, komabe, zikuwonekeratu kuti kuwongolera uku kumakulirakulirabe pamene mukuyandikira mbali iliyonse; komabe zimagwira ntchito!

     

Zimakhala zazikulu komanso zolemetsa, zomwe zimapangitsa kuti zikhale zosayenera kwa zida zam'manja kapena zam'manja; komabe, masanjidwe awo amawalola kuti azitha kulandira zidziwitso zabwino kwambiri pamayiko odutsa!

      

2. Momwe Discone Antenna Imagwirira Ntchito

Mlongoti wa Discone ndi mtundu wovuta kumva, komabe ukhoza kusinthidwa kukhala mtundu wosavuta kumva.

        

Mbali zozungulira za disk ndi cone zimatengera mokwanira mphamvu yamagetsi ya chinthu chozungulira, monga chomwe munthu amatha kuwona pamwamba pa zinthu zingapo kapena nsanja zazitali.

         

Chifukwa chake, zochulukirapo, ma discs amapanga kayeseleledwe kabwinoko; Komabe, pali kusinthana pakati pa mtengo womanga komanso kukana kwa mphepo ndi ma disc ochulukirapo pafupi ndi mnzake.

       

Ma disks asanu ndi limodzi azigwira ntchito bwino-- chiwerengerocho sichofunikira chifukwa safunikira kufananitsa chilichonse chomwe chili kutali.

        

Komabe, mudzawafuna kuti akhazikike motalikirana ndi mapazi awiri kuti asasokoneze kuthekera kwamtundu uliwonse wa ma cones kuti alandire ma sign popanda kusokoneza.

         

        

Munjira ya Discone, mphamvu ya feeder imakhutitsa mlongoti wa RF, womwe umakwera pamwamba pa chulucho.

       

Kuchokera pachimake kufika pachimake, ndi zotheka kuti mphamvu yowunikirayi itsogoleredwe bwino ku mbali ya kapena kutali ndi zinthu zapadziko lapansi kudalira momwe zimakhalira potengera kukwera pamwamba pa digiri ya pansi.

       

Njira yodalirika yowunikira ma radiation imachitika pamakona otsika mu ndege yonse yopingasa yokhazikika yomwe imakhazikika ngakhale imasinthidwa pafupipafupi.

         

Ngakhale zili choncho, kuchulukirachulukira kumaganiziridwa, pamakhala kuwonongeka kwina chifukwa cha kusokoneza kwa mayendedwe ambiri monga kusiyanasiyana kwa zotchinga, zomwe zimapangitsa kuti mawonekedwe aziwoneka bwino a nyumba.

         

Mlongoti wa Discone umadziwika ngati mlongoti wolira. Ili ndi malo odyetserako kuwonjezera apo, ndipo pomwepa, mavuto omwe alipo nawonso amapezeka pamenepo.

       

Zolembedwa pansipa digiri yake yocheperako, machesi a RF mpaka 50-ohm coax amatha kukhala oipa kwambiri. Komabe, pafupipafupi kukwera pamwamba pa chinthuchi, kumakhala koyenera kufananiza ma frequency onse pamndandanda wamachitidwe kapena kufalikira kwamphamvu.

     

Kalembedwe kameneka kamapangitsa kuti kukhazikikeko kusakhale kovuta komanso sikufuna mbali zina zakunja monga ma antennas a monopole tower. Imapulumutsanso malo amtengo wapatali pokhala odzidalira popanda kufunikira kwa ulalo wapansi.

         

Zinthu ziwiri zomaliza zimakhala ndi zabwino zambiri kuposa mitundu iyi ndipo zina monga dipole za omnidirectional theka-wave chifukwa cha kupindula kwakukulu chifukwa ali ndi malo ochulukirapo akamasiyana nawo.

       

3. Kodi Discone Antennas Ndiabwino Kwambiri

- Discone antennas ndi njira ina yabwino kwambiri kwa ogwiritsa ntchito amtundu uliwonse omwe amafunikira ntchito yayikulu ya bandwidth.

       

Tinyanga izi zimatha kugwira 10: 1 pamitundu yonseyi, zomwe zimawapangitsa kukhala abwino kwambiri kuti azitha kuphimba magulu ngati ma scanner komanso mapulogalamu ena angapo.

        

Ma discone antennas awonetsa kuti ndiabwino kwambiri kuposa zomwe zimanenedwa m'mbuyomu kwa okonda masewera kapena kugwiritsa ntchito akatswiri chifukwa sipangakhale chinthu chomwe sayenera kutumiza.

       

Ngati ingapereke kufalikira kwapamwamba koteroko kudutsa magulu osiyanasiyana popanda kusokonezedwa pang'ono ndi magwero akunja, izi zitha kumveka bwino kwambiri.

       

Ma discone antennas nthawi zambiri amanyalanyazidwa kuti awonedwe komanso kuyang'ana pawayilesi chifukwa sangathe kutumiza.

           

             

Nthawi zambiri amangogwiritsidwa ntchito ngati olandila mafunde a RF, koma mawonekedwe awo owala pafupi ndi madigiri 360, palibenso zambiri zomwe mungafune kwa iwo!

      

Ma discone antennas ndiabwino kwa VHF komanso ntchito za UHF monga apolisi, ozimitsa moto, maulendo a geology, komanso zakuthambo pawayilesi.

       

Mbali ya radiation imakwera pang'ono pamwamba pamitundu yosiyanasiyana ya mlongoti, zomwe zimasonyeza kuti kulandiridwa kwake ndi kosavuta kwambiri pothandizira kuvumbulutsa ma depositi achilengedwe mobisa kapena kupeza zadzidzidzi pafupi; imathandizanso kuyang'anira kusintha kwa chilengedwe padziko lapansi.

         

4. Kodi Njira Yogwirira Ntchito ya Discone Antenna ndi Chiyani?

- Mlongoti wa Discone ukhoza kukhala wodalirika kwambiri komanso wodziwika bwino kwambiri wa ma frequency (RF). Kalembedwe kamakhala ndi disk, cone, komanso insulator kuti apange chizindikiro cha RF mu malangizo onse.

        

Malinga ndi magwero osiyanasiyana a momwe iyenera kuonekera, makulidwe a diski nthawi zambiri amakhala 0.7 kuwirikiza kotala kotala wavelength; ngati mukufuna ma frequency anu kuchokera 150-200 MHz, pambuyo pake gwiritsani ntchito ma disks a inchi 1 okhala ndi mainchesi awiri pakati pawo oyikidwa 2 mapazi motalikirana).

       

Kukula koyenera kwa kasinthidwe uku kudzakhala kotala limodzi kutalika kwa kutalika kwa mita 160 kapena 16 m kutalika).

         

Zomangamanga zina zimakhala ndi ma cones opitilira 2 owunjikidwa wina ndi mnzake wotchedwa "piled discs," kotero amatha kuphimba mafunde atatu pa 3 watts iliyonse! Kuchepetsa kukwera kumapereka kukhazikika kwabwinoko.

       

Ngodya ya koni kapena mitengo yopanga de facto mlongoti wa Discone imatha kusiyana ndi magawo 25 mpaka 40. Mawonekedwe, komanso chotchingira, chimayenera kulekanitsidwa ndi mpweya kuti zisalankhule, zomwe zingapangitse kulandila molakwika pama frequency akulu.

        

      

Pamayendedwe otsika kwambiri ngati 100 MHz, pomwe pamakhala zosokoneza pang'ono mbali zonse ziwiri za kutalika kwa mawonekedwe (kumapeto akutsogolo kuli kopanda), magwiridwe antchito komanso kutulutsa mphamvu ndizofanana ndi tinyanga tating'onoting'ono tating'onoting'ono monga zigamba. .

      

Komabe kusinthidwa kumeneku mukangofika pamtunda wozungulira 1 GHz chifukwa mafunde amagetsi amathamanga kuchokera kumadera oyandikana nawo - makamaka ngati katundu wawo asintha mosayembekezereka kudzera pa chinthu chotchedwa "reflection" pamene kuwala kumatulutsa zinthu zosiyanasiyana.

     

5. Ndendende Momwe Mungawerengere Mlongoti wa Discone

- Gawo loyamba pakuyika mlongoti wa Discone ndikuzindikira nthawi yomwe mukufuna, yomwe imayenera kukonzedwa kuti igwire bwino ntchito.

        

Kenako, phatikizani miyeso ya ma diski onsewo ndikupezanso malo awo pogwiritsa ntchito trigonometry kapena kuchulukitsa kutalika kwa mbali zonse Pi.

       

Popeza muli ndi mabwalo anu amitundu iwiri (zozungulira zazing'ono zamkati nthawi zonse zimakhala zazifupi kuposa zakunja), ndi nthawi yoti mudziwe kuti ndi ma radial angati pa inchi yomwe ilipo pamakina aliwonse.

       

         

Izi zitha kutha bwino pogawikana ndi pensulo komanso pepala: Olekanitsa madigiri 360 mpaka pi mpaka mutapeza yankho loyandikira 1/4 ya digiri; kenaka mulekanitsenso ngati kuli kofunikira kuwonetsetsa kuti ziwerengero zilizonse pambuyo pa ma desimali zithetsedwa popatukana mmbuyo.

        

Pakadali pano, phatikizani zowerengera zonse, komanso mudzapeza zotsatira zomwe mukufuna!

           

6. Ndendende Momwe Mungasinthire Mlongoti wa Discone

- Kuti musinthe mlongoti wa Discone, choyamba muyenera kutsimikizira kuti chuluyo sichotsika kwambiri ndipo ili ndi malo owonjezerapo kukwera.

            

Kuti muchite izi, ikani dzanja lanu pamwamba pa chulucho ndi zala zotalika ngati kuti mukugwira apulo kapena chinthu china chozungulira.

        

Ngati pali voids angapo pakati pa zala zanu ndi m'mphepete mwa chakudya - zikhoza kusinthidwa kwambiri.

         

         

Mudzawona zomangira zosintha m'munsi, zomwe zitha kugwiritsidwa ntchito kuzikweza posintha screwdriver yakumanzere/kumanja mpaka kukhutitsidwa ndi kukhazikika kochokera pamwamba (musalowetse movutikira pomwe pano).

        

Ngati sindinu katswiri pankhaniyi, zitha kukhala zovuta kudziwa momwe mungasinthire mlongoti wa Discone. Mwamwayi, pali yankho losavuta: fotokozani buku lachitsogozo lomwe lili ndi mtundu uwu wa tinyanga!

         

7. Momwe mungayikitsire komanso Kukweza Mlongoti wa Discone

- Kutalika kwa mlongoti kumapangitsa kusintha kwa ma comms. Nyumba yomwe ili m'njira nthawi zambiri imakhala yosokoneza pang'ono, komabe, ngati mlongoti wanu sungathe kuwona malo akuzungulirani, pambuyo pake, mwina sungathe kulandila zidziwitso kapena kukhala ndi chitetezo chokwanira.

         

Ikhozanso kuyambitsa phokoso lochokera kuzinthu zina zomwe zingasokoneze kutumiza kwa ma sigino komanso polandirira.

        

Malo abwino kwambiri atha kukhala okwera momwe angathere, kotero kuti palibe chosokoneza chilichonse choyandikana nawo - izi zitha kuphatikizanso kuchotsa mitengo pafupi!

         

Musadere nkhawa za kusagwirizana. Ma discone antennas, komanso olandila, alibe zopinga zopitilira muyeso, kotero kusiyanitsa pang'ono pa coax sikofunikira.

      

Zidzakhalanso zotsika mtengo kuposa zingwe zina zambiri zomwe zimaperekedwa mosavuta ku shopu yanu yazida zamdera, zomwe zikuwonetsa kuti mutha kuzigula pa spool kuti muchepetse kusavuta kwanu!

              

        

Mudzafunikanso ma adapter kuti musinthe tinyanga ta Discone kapena zolandila zanu kuti zigwirizane ndi madoko osiyanasiyana.

    

Komabe, izi, nkhani yabwino ndiyakuti, njira yosavuta kuphatikiza maulalo awiri okha pachida chilichonse (bola zida izi zidapangidwa mkati mwa zaka 5).

          

Kanema wa kanema wawayilesi wakale wa coaxial atha kugwiritsidwa ntchito kuti akuthandizeni kukulitsa ndi kugawa ma sign a mlongoti wa Discone.

      

Zingwe ndizolimba kutsogolo, komabe, zimakhala zoyambira 70 MHz - 800MHz (mpaka kusintha kwa digito), zomwe ndizabwino kwambiri ngati mukufuna kupeza ma tchanelo angapo pogwiritsa ntchito chizindikiro chamtunduwu.

       

Ngati mukufuna mayendedwe apamwamba, chida champhamvu kapena chokhazikika chokhala ndi zokulitsa zomwe zimayang'ana kumadera ena zitha kugwira ntchito bwino chifukwa chake mukuzifuna!

         

8. Ndendende Momwe Mungapangire Mlongoti wa Discone wa RTL-SDR

- Gawo loyamba lomanga mlongoti wa Discone wa RTL-SDR ndikuteteza zinthu zofunika, monga waya wamkuwa, zingwe za bolodi zopanda solderless, komanso RTL-SDR. Kenako, muyenera kupanga mitundu iwiri ya ma coil omwe angagwire ntchito ngati owongolera kapena zowunikira.pitani ku nkhaniyi

      

Mtundu umodzi ukhoza kupangidwa mwa kumangirira zinthu zisanu ndi zitatu zofanana mbali iliyonse ndi mainchesi 6 pakati pawo, pomwe kusankha kowonjezera ndikukhudza mbali 12 motsatizana, motalikirana molingana ndi mapazi asanu.

         

          

Kuti mutsimikize chilichonse chomwe chalumikizidwa bwino, samalani mukamagwira ntchito pafupi ndi chitsulo chamtundu uliwonse, kuti chisafupikitse chilichonse!

        

Zochita zomaliza zimaphatikizapo kupanga maulalo kuchokera ku ma adapter onse kutulutsa mphamvu yamagetsi mu zomangira zomwe zimayikidwa ndi zotsegula kumapeto komwe zalumikizika, kenako kuzilumikiza pamodzi.

         

Discone Antenna vs. Dipole

Monga Discone, Dipole Antenna ikudziwikanso. Ngati mukudabwa kuti mupite ku Discone kapena Dipole, mumamvetsetsa kusiyana kwawo pang'ono.

        

Chotsani Antenna

Mlongoti wa Discone suli ngati tinyanga zina, pomwe ma cones onse amasinthidwa ndi disk. Diskiyo ingokhala pamwamba pa kondomu imodzi m'malo mwa zonse ziwiri mu tinyanga tambiri.

      

Mlongoti weniweni wa Discone umaphatikizapo chitsulo cholimba chachitsulo ndi disk. Pankhaniyi, imatha kuphimba ma octave a 2 a bandwidth, omwe ndi othandiza kwa okonda omwe akufuna kumvetsera m'magulu osiyanasiyana monga 140-500 MHz popanda kusokonezedwa ndi ena mkati mwa mndandanda womwewo.

      

Komabe, anthu ambiri amagwiritsa ntchito ma diski okhala ndi mitengo yowalumikiza m'malo mwake chifukwa ndi otsika mtengo kuposa ma cones/madisk opangidwa kuchokera kumtundu umodzi wazinthu.

      

Poyerekeza ndi kutayika kwachangu, tinyangazi sizothandiza kwenikweni pamafuriji apamwamba monga 54MHz zikagwiritsidwa ntchito ndi tinyanga zowongoka.

     

Ngati mumagwiritsa ntchito zoyankhulidwa mosiyana ndi ma cones opangidwa ndi zitsulo, zimachepetsa kutsitsa kwa mphepo komanso zimapangitsa kuti nyumba ndi zomangamanga zikhale zosavuta. Ichi ndichifukwa chake ma antennas a Discone amakondedwa kwambiri ndi ogwiritsa ntchito ma wailesi.

       

         

Mutha kupanga masipoko kapena nthiti ndi waya wokhazikika womwe muli nawo mozungulira; mwachitsanzo, ndodo zomangira zimagwira ntchito modabwitsa ngati mutakhala munthu wokonda kumunda wodzipereka ngati ine!

    

Nthawi zambiri amapangidwa ndi chitsulo chachitsulo cholimba, ndichifukwa chake amakhala oyenera kugwiritsa ntchito VHF kapena UHF zomwe zimachitika pafupi ndi pansi, komwe kumafika ma signature.

        

Mbali ya radiation imakwera pang'ono pamlingo wokhazikika, kuwonetsa kuti Discones amapanga tinyanga tating'ono ta Wi-Fi m'nyumba chifukwa choti ma waya opanda zingwe nthawi zambiri amachitika mu bandwidth iyi (UNAVCO).

        

Dipole mlongoti

Mlongoti wa dipole ndi mtundu wodziwika bwino wa mlongoti wa RF. Mapangidwe a dipole amatha kugwiritsidwa ntchito okha, kapena amatha kuthana ndi mitundu ingapo kuti apange imodzi, yomwe ndi njira yovuta kwambiri yolumikizirana pawailesi.

      

Mlongoti uwu wagwiritsidwa ntchito kwambiri m'magawo a HF, VHF, komanso UHF monga mbali zowunikira kapena zoyendetsedwa, kutengera zomwe mukufuna panthawiyo. Zimatengera khama pang'ono kupanga chida chosavuta ichi.

       

Antenna ya dipole ndi njira yoyambira komanso yosinthika yopezera ma siginecha oyenera ndikusokoneza m'mphepete.

       

Chipangizo chamitundu iwirichi chimatha kugwira ma frequency kuchokera kumunsi ndi kumtunda, kotero ndikwabwino kwa aliyense amene akufuna kumva pazokambirana zomwe zimaphimba mitu yosiyanasiyana popanda kumveka bwino kwambiri kupirira kapena kuthana ndi zovuta zilizonse chifukwa cha kufalikira kosagwirizana.

         

Mlongoti wamkulu wapa TV palibe malo pafupi ndi amphamvu ngati njira zina zapamwamba ngati dipole lopindidwa. Ma antennas awa ndi ocheperako kwambiri ndipo amapereka chiwongolero chabwino kwambiri cha ma sign-to-phokoso kuposa omwe amawatsogolera.

       

Ma dipoles opindika amakhala ndi malekezero omwe amabwerera ku malowa, omwe amathandizira kukulitsa mphamvu yazizindikiro - izi zimawapangitsa kuti aziwoneka bwino komanso azigwira ntchito kwambiri!

        

Theka-wave, komanso theka-wave, lopindika dipoles, amagwira ntchito bwino kwa iwo omwe amakhala mnyumba kapena ma skyscraper condominiums. Kumeneko, chipindacho ndi choletsedwa chifukwa safuna chipinda chonse choperekedwa kuti alandire zizindikiro kuchokera ku mlongoti wa mbale kapena kunja kwa ndege.

          

Discone Antenna vs. Ground Ndege

Ndege yapansi panthaka imagwira ntchito bwino pamafupipafupi momwe imasinthira, koma ngati mukuyang'ana mtundu wathunthu wa tinyanga, imagwiranso ntchito. Vuto logwiritsa ntchito zonsezi, komabe, ndi momwe amachitira.

         

       

Ngakhale zonse, imodzi idzakhala yabwino kwambiri kuposa ina kutengera ma frequency omwe mukufuna kuti aliyense azimvera, kuchita bwino kwawo kumatha kukhala kochulukira, chifukwa chake palibe kudziwa komwe kungachite bwino mukamagwiritsa ntchito wina ndi mnzake.

       

Discone Mphamvu za Antenna

Mlongoti wa Discone ndi kalembedwe kantchito komwe amagwiritsidwa ntchito potumiza ma frequency kuyambira 10 kHz mpaka 1 GHz.

           

Itha kukhala yocheperako poyerekeza ndi tinyanga tating'ono tomwe timapangidwira mokhazikika. Komabe, ikadali chisankho chothandiza mukafuna inshuwaransi pamagawo angapo amtundu wa ma frequency monga ma frequency apamwamba komanso otsika kwambiri.

        

           

Zigawo zitatu zazikuluzikulu zikuphatikizapo diski, yomwe imasonkhanitsa mafunde a wailesi kuti awatumize kudzera pa chulucho, kumene iwo ali pambuyo pake amakulitsidwa asanatuluke m'deralo mothandizidwa ndi chinthu chimodzi chomaliza, insulator.

            

Disc

Disco ya mlongoti wa Discone iyenera kukhala ndi kukula kwake kofanana ndi 0.7 nthawi ya kutalika kwa mawonekedwe ake otsika kwambiri - izi zidzatsimikizira kugwira ntchito bwino komanso kugwira ntchito bwino.

              

Kupatula apo, zomwe zimadyetsa tinyangazi zimapita pakati, komwe zimadyetsedwa ndi coax yomwe ili ndi 50-ohm resistance yofananira maukonde kuti apereke kulumikizana koyenera;

            

        

Kondakitala mmodzi amalumikizana molunjika kuchokera pakati kudzera pa chingwe kapena chingwe cha fiber optic, pamene wina amatalikitsa kudzera pa kondomu, yomwe imagwira ntchito ngati mbale yowonetsera.

       

Chinthu

Mlongoti wa Discone umapangidwa kuti ukhale ndi ngodya ya cone yomwe imasiyana ndi 25 mpaka 40. Kuchepetsa ma frequency, kumapangitsanso kutalika kofunikira pakufanana ndi kotala la wavelength, komwe kumawonetsa kukula komanso komwe kumayendera moyenera.

      

Insulator

Discone antenna ndi mawonekedwe odziwika bwino amitundu yothamanga kwambiri. Kugawa chimbale ndi cone ndi insulator kudzakhudza zinthu zina zofunika, makamaka pa ma frequency pafupi ndi malire amtundu wa wailesi iyi.

      

Discone Antenna Kulandila Koyipa

Nthawi zambiri zimanenedwa kuti tinyanga za Discone sizilandira bwino, komabe, izi sizowona kwenikweni. Nthawi zambiri, mlongoti wa Discone umakhudzidwa kwambiri ndi ma frequency apamwamba kuposa otsika, motero amakhala ndi chizolowezi chopeza ma siginecha amphamvu pamasanjidwe apamwamba kwambiri.

        

      

Komabe, zinthu zina zosiyanasiyana zomwe zimaseweredwa kupitilira kuchuluka kwa kukhudzika zimazindikira momwe mlongoti ungakhalire wokulirapo kwa inu makamaka - monga komwe kuli nsanja yanu yapafupi kwambiri yotumizira kapena ndi chisokonezo chamtundu wanji chomwe chingakhalepo pafupi (monga za ma chingwe amagetsi).

         

Discone Antenna Frequency zosiyanasiyana

Ma discone antennas ndi omnidirectional komanso wideband, kuwapangitsa kuti azitha kuphimba ma frequency a 10: 1.

          

          

Izi zikusonyeza kuti mlongoti nawonso ndi wotambalala! Mutha kugula Discone ya omnidirectional yokhala ndi gulu la 30-1300 MHz, ndikupangitsa kuti ikhale pakati pa angapo omwe akupezeka kuti azitha kufalitsa kwambiri.

        

Kukulunga!

       

Chabwino, ndizo zonse zomwe zinali pa Discone antenna 101. Popeza mwachita kafukufuku wanu pa mlongoti uwu kwathunthu, mukhoza kuchita masamu anu ngati idzakuthandizani kapena ayi.