RF Technical Guides

  • Radio History of Chicago : How it Develops Since 1900s?

    Umlando Womsakazo waseChicago: Uthuthuka Kanjani Kusukela ngeminyaka yawo-1900s?

    Lona umbono womlando womsakazo waseChicago, uzofunda emlandweni we-AM nowe-FM wase-Chicago kusukela ngo-1900 kuya ko-1990. Vakashela Manje futhi ufunde kabanzi!

    ngu/

    6 / 1 / 22

    863

  • Discone Antenna 101 - All Your Concerns Answered in One Area

    I-Discone Antenna 101 - Konke Okukukhathazayo Kuphendulwa Endaweni Eyodwa

    Cabanga ukuthi yini ekusiza ukuthi uhlole ithrafikhi yewebhusayithi yomoya noma amatheminali okulandelela ngempumelelo? I-Discone Antenna. Okwamanje, uma ucabangela ukuthi ungezansi, sicabanga ukuthi awunalo ulwazi oluningi mayelana nale antenna.

    ngu/

    5 / 11 / 22

    1156

  • How To Bond Ground Rods With Exothermic Welding?

    Indlela Yokubopha Izinduku Zaphansi Nge-Exothermic Welding?

    Kulesi sihloko, ngizokwembula ngokuqinisekile ukuthi ungayisebenzisa kanjani i-CADweld uni-shot ukubopha izigxobo zakho zomhlabathi ngendlela exakile. Le ndlela yokuhlanganisa izintambo zomhlabathi ezindongeni zakho zomhlabathi, igwema ukugqwala, kanye nezixhumanisi eziphakeme zokumelana nezinduku zakho zomhlabathi. 

    by/ Bond Ground Rods With Exothermic Welding

    4 / 25 / 22

    705

  • How to Build a Turnstile Antenna for Satellite Communication

    Ungayakha Kanjani I-Antenna Ephendukayo Yokuxhumana Ngesathelayithi

    Lapha kukhona amapulani okwakha nawokwakha othi lwe-Turnstile engilusebenzisela ukuxhumana nomkhathi ebhendini yomsakazo engamamitha ama-2.

    by/ Yakha i-Turnstile Antenna yokuxhumana ngesathelayithi

    4 / 25 / 22

    1168

  • CB Radio vs HAM vs Walkie Talkie vs GMRS

    I-CB Radio vs HAM vs Walkie Talkie vs GMRS

    Ivumele ukuthi kube Imisakazo ye-CB, i-HAMS, i-Walkie talkies, noma i-GMRS, ziyizinketho ezinhle zamafoni. Ingabe ufuna ukuhlala uxhumekile nomndeni wakho nabangane kuyilapho opharetha engakukhokhisi izindleko? Nokho, lezi yizinto okudingeka ukhethe kuzo.

    ngu/

    4 / 25 / 22

    979

  • How To Build A 2 Meter Vertical Antenna?

    Ungayakha Kanjani I-Antenna Emamitha Ama-2?

    Uma i-antenna endala eqondile ibilahlekelwe ama-radial futhi ayikwazanga ukushaya iziphindaphinda eziningi zomsakazo we-amateur, uzodinga ngempela ukwakha i-antenna eqondile engamamitha angu-2 1/4 ye-146 mHz. ibhendi yomsakazo we-amateur. Futhi nasi umhlahlandlela wakho.

    ngokuthi/ ulwakha kanjani uthi olume mpo

    4 / 25 / 22

    1412

  • How To Build A 2 Meter Antenna For Bicycle Mobile?

    Ungayakha Kanjani I-Antenna engamamitha ama-2 Yeselula Yebhayisikili?

    Mhlawumbe inkinga enkulu ngokuthatha ibhayisikili lakho le-HT ukucabanga ngothi olufanele ebhayisikilini lakho. Lokhu kungenxa yokuthi ibhayisikili alinikezi kakhulu indiza yaphansi. Nazi izinhlelo ze-antenna azichazile eposini.

    by/ Yakha i-Antenna ye-Bicycle Mobile

    4 / 24 / 22

    841

  • How To Construct a J-Pole Antenna for the 70cm Ham Band

    Ulwakha kanjani i-J-Pole Antenna ye-70cm Ham Band

    Nali i-J-pole antenna engabizi kakhulu futhi kulula kakhulu ukuyakha. Ngokuphathelene nesikhathi samahora, kanye nezinto zokwakha ezibiza u-$10, ungaba nothi lwe-j-pole olusebenza kahle kakhulu lwe-omnidirectional.

    ngo/ Yakha i-J-pole Antenna ye-Ham Radio

    4 / 24 / 22

    912

  • Develop a Phasing Harness for Piling Antennas

    Yakha i-Phasing Harness ye-Piling Antennas

    Kamuva nje, emsebenzini, ngibe nethuba (noma imfuneko) yokwenza ihhanisi lezigaba le-antenna ene-two-bay. Nokho, ngaba nenkinga. Ngithole ku-inthanethi eminyakeni embalwa edlule ukuthi ngingakwenza kanjani lokhu esimweni sami esithile se-antenna, namuhla iwebhusayithi yayingasekho! Ngakho kwadingeka ngizibonele ngedwa. Ngemva kwamahora amaningi ngibheka amanothi ami (ampofu kakhulu), ngiwatholile.

    ngu/

    4 / 22 / 22

    768

  • Just How to DIY an NVIS Antenna AKA Cloud Burner Antenna Utilizing a Mag Mount

    Ungayenza kanjani i-DIY ye-NVIS Antenna AKA Cloud Burner Antenna usebenzisa i-Mag Mount

    Ingxenye yokuba umshayeli womsakazo we-ham ukunikeza ukuxhumana ngezikhathi zezimo eziphuthumayo. Ngosuku oluzayo lwe-Ohio NVIS Antenna, ngikhethe ukubheka izimpondo ze-NVIS. Ama-antenna e-NVIS, abuye abizwe ngokuthi ama-Near Event Vertical Vertical Skywave antenna ane-engeli ephezulu yemisebe. Okuthile ku-oda lama-degree angama-60, kuya ku-90 degrees ngqo. Ngokungafani namasiginali we-UHF ne-VHF, avame ukuba nobubanzi bamamayela angu-50 anothi lwe-yagi oluphezulu, kanye nothi lwe-NVIS lwenzelwe ukuxhumana ngezinhlobonhlobo zamamayela angu-75-- 500. Kwesinye isikhathi i-antenna ye-NVIS ibizwa ngokuthi "i-heater yamafu" njengoba ihambisa imisebe yayo eminingi phezulu kune-antenna evamile.

    ngu/

    4 / 22 / 22

    772

  • Do It Yourself Your Own Equipment Shelf with an Absence Table - LackRack

    Zenzele Ithala Lakho Lezinto Ezisetshenziswayo Ngetafula Lokungabikho - LackRack

    Muva nje bengidinga indawo yokubeka imishini engu-19″. Kodwa njengoba ishibhile, nganquma ukwakha eyodwa. Ngenkathi ngisesha i-inthanethi, ngithole lokho okubizwa nge-LackRack, esebenzisa Ithebula Lokuntula le-IKEA. Kodwa-ke ukuqhubeka nokufunda kwembule izinto ezimbalwa engangicabanga ukuthi zazishoda ekwakhiweni kokuqala kweLackRack.

    ngu/

    4 / 22 / 22

    731

  • Just How to Mount Devices into a 19 Inch Shelf

    Ungawafaka Kanjani Amadivayisi Eshalofini elingu-19 Intshi

    Kusukela cishe wonke 19 '' ama-racks wemishini sebenzisa izikulufu ezingu-10-32 kumareyili azo asemaceleni, thola amabili bese ubeka amantongomane amabili angu-10-32 esikulukweni, futhi uwajame ndawonye. Bese ubopha yonke into ku-vise.

    ngu/

    4 / 21 / 22

    1130

  • How to DIY a Shortened 20 thru 40 Meter Vertical for POTA

    Ungayenza kanjani i-DIY ifushaniswe kusuka kumamitha angama-20 kuye kwangama-40 ku-POTA

    Kukhona okuthakazelisayo ngokwenza kusebenze i-POTA lapho ungena khona ngawo wonke amagiya akho ephaketheni futhi ucuphe ipaki elisebenzisa amandla e-QRP.

    ngu/

    4 / 21 / 22

    1009

  • How to Build a DIY 2 Meter J-pole Antenna

    Uyakha kanjani i-DIY 2 Meter J-pole Antenna

    Uma ufuna i-antenna ebiza kancane, futhi elula yokwakha, i-J-pole antenna yinhle kakhulu! Mayelana nesikhathi samahora, kanye nemikhiqizo enenani elingama-$15, ungaba ne-antenna ye-j-pole eyenza yonke indawo ngendlela emangalisayo.

    by/ DIY J pole antenna

    4 / 20 / 22

    1523

  • What is Broadcasting and How it Works? - FMUSER

    Kuyini Ukusakaza Futhi Kusebenza Kanjani? - Umsakazo we-FMUSER

    Kuyini ukusakaza futhi kungani kufanele ube nendaba? Nawu umhlahlandlela ophelele mayelana nokusakaza okuvela ku-FMUSER, kufaka phakathi ukuthi kuyini nokuthi kusebenza kanjani. Qhubeka uhlole!

    ngu/

    8 / 24 / 22

    1195

  • A Brief Intro to Broadcast Production Technology - FMUSER

    Isingeniso Esifushane Sobuchwepheshe Bokukhiqiza Bokusakaza - FMUSER

    Buyini ubuchwepheshe bokukhiqiza ukusakaza futhi kungani kufanele ube nendaba? Nali ulwazi oluphelele mayelana nokuthi buyini ubuchwepheshe bokukhiqiza bokusakaza kanye nezinhlobo ezithile zabo eziyisisekelo. Qhubeka uhlole!

    ngu/

    4 / 6 / 22

    1054

  • Complete Radio Station Equipment Package You Should Have for FM Broadcasting

    Gcwalisa Iphakheji Yezisetshenziswa Zesiteshi Somsakazo Okufanele Ube Naso Ezokusakaza Kwe-FM

    Zingaki izinhlobo zemishini yokusakaza ezikhona esiteshini somsakazo esiphelele, futhi le mishini yokusakaza isebenza kanjani ndawonye. Ungathenga kuphi lezo mishini yokusakaza yobuchwepheshe? Leli khasi lizophendula le mibuzo.

    by/ Gcwalisa Izinsiza Zokusakaza Zomsakazo We-FM

    7 / 27 / 22

    1470

  • RF Filter in Radio Broadcasting

    Isihlungi se-RF Ekusakazweni Kwemisakazo

    Ekuxhumaneni ngomsakazo, isihlungi se-RF siyinto ebaluleke kakhulu kagesi. Ekusakazweni kwamasignali omsakazo, kuyohlale kunamabhendi esingawadingi, njengamasignali angamanga angadingekile; noma mhlawumbe ngenxa yezizathu ezithile ezikhethekile, asidingi ububanzi obuthile kumasignali omsakazo. Ngalesi sikhathi, sidinga ukuhlunga amabhendi efrikhwensi angafuneki ngezihlungi ze-RF. Ngakho-ke hlobo luni lwemishini kagesi Isihlungi se-RF futhi kungani ibaluleke kangaka? Lesi sabelo siwukuphendula lo mbuzo.

    nge/ Yini Isihlungi se-RF

    7 / 29 / 22

    1826

  • DIY an FM Radio Dipole Antenna | FMUSER BROADCAST

    DIY an FM Radio Dipole Antenna | I-FMUSER BROADCAST

    I-antenna ye-FM iwuhlobo olulula nolubanzi kakhulu lwe-antenna, ngakho-ke kulula kunoma ngubani ukwenza eyakhe, edinga kuphela izinto ezithile ezilula. i-DIY FM dipole antenna iyisinqumo esisebenziseka kalula futhi esingabizi kakhulu uma umsakazo wakho udinga uthi lwesikhashana. Ngakho-ke ungayenza kanjani i-DIY i-antenna ye-FM? Isihloko sizokutshela.

    by/ FM Antenna DIY

    5 / 11 / 22

    2720

  • How to Find the Unused Frequency for FM Radio Transmitters?

    Ungayithola Kanjani Imvamisa Engasetshenzisiwe Yama-FM Radio Transmitters?

    Izithutha zomsakazo we-FM zingenye yezindlela ezilula nezithengekayo zokulalela umculo wedivayisi yakho ephathekayo. Kodwa ku-rookie, kungase kube nzima ukuthola imvamisa engenaziphazamiso. Uma unenkinga yokuthola imvamisa ye-FM engasetshenziswa, lokhu kwabelana kuzoba usizo kuwe.

    by/ Thola Imvamisa Yomsakazo Engasetshenzisiwe

    9 / 21 / 21

    5143

  • How to Make a Printed Circuit Borad? | PCB Manufacturing Process

    Indlela Yokwenza Isekhethi Ephrintiwe ibe Borad? | PCB Manufacturing Process

    I-PCB, eyaziwa nangokuthi ibhodi lesifunda eliphrintiwe, yenziwe ngezinto ezihlukile ezingaphenduki ukuze zisekelwe ngokomzimba kanye nokuxhumeka kwezingxenye zesokhethi ezifakwe phezulu. Kodwa uyini umsebenzi webhodi lesifunda eliphrintiwe? Lenziwa kanjani ibhodi lesifunda eliphrintiwe? Funda okuqukethwe okulandelayo ukuze uthole ukwaziswa okwengeziwe okuwusizo.

    by/ Indlela Yokwenza Ibhodi Le-PCB

    10 / 29 / 21

    1967

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