Iyi ngingo isobanura igishushanyo mbonera cya RF, hamwe nigishushanyo mbonera, gisobanura igishushanyo mbonera cya RF hamwe nigishushanyo mbonera cya RF.Ivuga ibice byinshuro zikoreshwa muriyi C-band yumurongo uhindura.Igishushanyo gikorerwa ku kibaho cya microstrip ukoresheje ibice bya RF byihariye nka mixer ya RF, oscillator zaho, MMICs, synthesizers, OCXO yerekana oscillator, padi ya attenuator, nibindi.
Igishushanyo mbonera cya RF up
Guhindura imirongo ya RF bivuga guhindura inshuro kuva ku gaciro kamwe.Igikoresho gihindura inshuro kuva ku giciro gito kugeza ku giciro cyo hejuru kizwi nka up converter.Nkuko ikora kuri radiyo yumurongo izwi nka RF up ihindura.Iyi moderi ya RF Up ihinduranya NIBA inshuro zingana na 52 kugeza 88 MHz kugeza kuri RF inshuro zigera kuri 5925 kugeza 6425 GHz.Kubwibyo bizwi nka C-band up ihindura.Ikoreshwa nkigice kimwe cya transceiver ya RF ikoreshwa muri VSAT ikoreshwa mugukoresha itumanaho rya satelite.
Igishushanyo-1: Igishushanyo mbonera cya RF hejuru
Reka turebe igishushanyo cya RF Up ihindura igice hamwe nintambwe yo kuyobora.
Intambwe ya 1: Shakisha imvange, oscillator yaho, MMICs, synthesizer, OCXO yerekanwe oscillator, padi ya attenuator iraboneka muri rusange.
Intambwe ya 2: Kora urwego rwimbaraga zibara mubyiciro bitandukanye byumurongo cyane cyane mugushira kwa MMICs kuburyo bitazarenga 1dB yo kwikuramo igikoresho.
Intambwe ya 3: Gushushanya hamwe na Micro strip ikwiye gushungura mubyiciro bitandukanye kugirango ushungure imirongo idakenewe nyuma yo kuvanga mugushushanya ukurikije igice cyumurongo wifuza ushaka kunyuramo.
Intambwe ya 4: Kora simulation ukoresheje office ya microwave cyangwa agilent HP EEsof ifite ubugari bukwiye nkuko bisabwa ahantu hatandukanye kuri PCB kuri dielectric yahisemo nkuko bisabwa kuri radiyo itwara RF.Ntiwibagirwe gukoresha ibikoresho byo gukingira nkurugero mugihe cyo kwigana.Reba ibipimo bya S.
Intambwe ya 5: Fata PCB ihimbye kandi ugurishe ibice byaguzwe kandi ugurisha kimwe.
Nkuko bigaragara ku gishushanyo mbonera cya shusho-1, udupapuro twiza twa attenuator twa 3 dB cyangwa 6dB dukeneye gukoreshwa hagati kugirango twite kuri 1dB yo kwikuramo ibikoresho (MMICs na mixer).
Oscillator yaho hamwe na Synthesizer yumurongo ukwiye bigomba gukoreshwa bishingiye.Kuri 70MHz kugeza kuri C ihinduranya, LO ya 1112.5 MHz na Synthesizer ya 4680-5375MHz yumurongo wa interineti birasabwa.Amategeko yintoki yo guhitamo kuvanga nimbaraga za LO zigomba kuba 10 dB kurenza urwego rwohejuru rwinjiza kuri P1dB.GCN ni Kunguka Igenzura ryakozwe hakoreshejwe PIN diode attenuator itandukana bitewe na voltage igereranya.Wibuke gukoresha Band Pass hamwe na Pass pass yo muyunguruzi nkuko kandi bisabwa kugirango ushungure imirongo idakenewe kandi unyuze kumurongo ushakishwa.
Igishushanyo mbonera cya RF Down
Igikoresho gihindura inshuro kuva ku giciro cyo hejuru kugeza ku giciro gito kizwi nka hasi ihindura.Nkuko ikora kuri radiyo yumurongo izwi nka RF down converter.Reka turebe igishushanyo cya RF hasi ihinduranya igice hamwe nintambwe yo kuyobora.Iyi moderi ya RF kumanura module isobanura inshuro ya RF murwego kuva kuri 3700 kugeza 4200 MHz kugeza NIBA inshuro iri hagati ya 52 na 88 MHz.Kubwibyo bizwi nka C-band hasi ihindura.
Igishushanyo-2: Igishushanyo mbonera cya RF hasi
Igishushanyo-2 cyerekana igishushanyo mbonera cya C band hasi ihinduranya ukoresheje ibice bya RF.Reka turebe igishushanyo cya RF kumanura igice hamwe nintambwe ku ntambwe.
Intambwe ya 1: Imvange ebyiri za RF zatoranijwe nkuko igishushanyo cya Heterodyne gihindura imirongo ya RF kuva kuri 4 GHz ikagera kuri 1GHz no kuva kuri 1 GHz kugeza 70 MHz.Imvange ya RF ikoreshwa mubishushanyo ni MC24M naho NIBA ivanga ni TUF-5H.
Intambwe ya 2: Akayunguruzo gakwiye kateguwe gukoreshwa mu byiciro bitandukanye bya RF hasi ihindura.Ibi birimo 3700 kugeza 4200 MHz BPF, 1042.5 +/- 18 MHz BPF na 52 kugeza 88 MHz LPF.
Intambwe ya 3: MMIC amplifier ICs hamwe na padi ya attenuation ikoreshwa ahantu hateganijwe nkuko bigaragara ku gishushanyo mbonera kugirango uhuze urwego rwamashanyarazi mugusohoka no kwinjiza ibikoresho.Ibi byatoranijwe nkinyungu hamwe na 1 dB yogusunika ingingo isabwa na RF hasi ihinduka.
Intambwe ya 4: Synthesizer ya RF hamwe na LO bikoreshwa mugushushanya hejuru byahinduwe nabyo bikoreshwa muburyo bwo guhindura ibintu nkuko bigaragara.
Intambwe ya 5: Akato ka RF gakoreshwa ahantu heza kugirango ibimenyetso bya RF bitambuke mu cyerekezo kimwe (ni ukuvuga imbere) no guhagarika imitekerereze ya RF mu cyerekezo cyinyuma.Kubwibyo bizwi nkigikoresho cya uni-cyerekezo.GCN isobanura Kunguka imiyoboro.GCN ikora nkigikoresho cyo guhindura ibintu cyemerera gushiraho ibisohoka bya RF nkuko byifuzwa ningengo yimari ya RF.
Umwanzuro: Bisa nibitekerezo byavuzwe muri iki gishushanyo mbonera cya RF, umuntu arashobora gushushanya imirongo ihindura indi mirongo nka L band, Ku band na mmwave band.
Igihe cyo kohereza: Ukuboza-07-2023
