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  • Metswako ea IQ ea RF Microwave Millimeter Wave Radio ea Maqhubu a Phahameng
  • Metswako ea IQ ea RF Microwave Millimeter Wave Radio ea Maqhubu a Phahameng
  • Metswako ea IQ ea RF Microwave Millimeter Wave Radio ea Maqhubu a Phahameng
  • Metswako ea IQ ea RF Microwave Millimeter Wave Radio ea Maqhubu a Phahameng

    Likaroloana:

    • Tahlehelo e Tlase ea Phetoho
    • Ho itšehla thajana ho hoholo

    Likopo:

    • Waelese
    • Transceiver
    • Teko ea Laboratori
    • Kgaso

    Di-microwave Mixer ke mofuta o ikgethang wa motswako o nang le ditsela tse pedi tse tlatsanang tsa letshwao la mokgahlelo tse bitswang "In-phase" (I) le "Quadrature" (Q). Dibopeho tsa yona ke tse latelang:

    1. Fana ka tlhahisoleseding ya mohato le boholo: Ka lebaka la ho kenyeletswa ha dikanale tsa I le Q, motswako wa IQ wa maqhubu a radio o ka fana ka tlhahisoleseding ya mohato le boholo ba letshwao. Sena se bohlokwa bakeng sa ditsamaiso tse ngata tsa puisano tse se nang mohala le ditsamaiso tsa ho fetola le ho ntsha tshebetsong.
    2. Hlokomela ts'ebetso ea lets'oao la orthogonal: Likanale tsa I le Q tsa li-mixer tsa RF li khona ho sebetsana le mats'oao a orthogonal, ke hore, mats'oao a nang le phapang ea mohato oa likhato tse 90. Sena se etsa hore se-mixer sa maqhubu a seea-le-moea se be molemo haholo mekhoeng e mengata ea ho fetola le ho tlosa, joalo ka phihlello ea makhetlo a orthogonal karohano ea phihlello e ngata (OFDM) le quadrature amplitude modulation (QAM).
    3. Ho fokotseha ha tshitiso ya kutlo: Motswako wa IQ o kgona ho arola letshwao le sephara sa tshitiso ka lebaka la ho kenyeletswa ha ditsela tse pedi tse tlatsanang tsa mohato. Sena se etsa hore o kgone ho thibela tshitiso ya ho mamela ka tsebe.
    4. Mefuta e mengata e fapaneng: Ka lebaka la tshebediso ya dikanale tse pedi, di-mixer tsa IQ hangata di na le mefuta e mengata e fapaneng e ka fihlelang dikopo tse hlokang tlhokomelo ya matshwao.

    Motsoako oa IQ hangata o sebelisoa likarolong tse latelang:

    1. Litsamaiso tsa puisano tse se nang mohala: Motsoako oa maqhubu a Millimeter o sebelisoa haholo litsamaisong tsa puisano tse se nang mohala, ho kenyeletsoa litsamaiso tsa puisano ea mehala, litsamaiso tsa puisano ea sathelaete le marang-rang a sebaka sa heno a se nang mohala. E sebelisoa ho fokotsa lets'oao le amohetsoeng, ho fetola lets'oao le rometsoeng, le ho etsa hore lets'oao le fetoloe, le fetoloe le ho fetoloa khafetsa.
    2.Modem: IQ mixers ke dikarolo tsa bohlokwa tse atisang ho fumanwa ho di-modem tse sebediswang ho kopanya matshwao a baseband ho ya ho mefuta ya RF bakeng sa phetiso, kapa ho kopanya matshwao a RF a amohetsweng ho baseband bakeng sa ho ntsha tshebetsong.
    3. Phetiso ea data ka lebelo le phahameng: Hobane li-mixer tsa IQ li ka sebetsana le matšoao a orthogonal, li na le lits'ebetso tsa bohlokoa phetisong ea data ka lebelo le phahameng. Mohlala, litsamaisong tsa puisano ea optical le puisano ea dijithale e potlakileng, ho fetoloa ha QAM le ho fetoloa ha data ho sebelisoa li-mixer tsa IQ ho ka nolofalletsa phetiso ea data ka lebelo le phahameng le ka bokhoni bo phahameng.
    4.Tlhahlobo ea tšitiso ea mojari: Metsoako ea IQ e ka sebelisoa bakeng sa tlhahlobo ea tšitiso ea mojari, e ka thusang ho fumana mohloli oa tšitiso le ho felisa tšitiso ka ho lekanya le ho sekaseka tlhahisoleseling ea mohato le boholo ba lets'oao.

    QualwaveInc. e fana ka di-IQ-mixer tse sebetsang ho tloha ho 1.75 ho isa ho 26GHz.

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    img_08

    Nomoro ea Karolo

    Maqhubu a RF

    (GHz, Bonyane)

    xiaoyudengyu

    Maqhubu a RF

    (GHz, Boholo.)

    letsatsidengyu

    Maqhubu a LO

    (GHz, Bonyane)

    letsatsidengyu

    Maqhubu a LO

    (GHz, Boholo.)

    xiaoyudengyu

    Matla a ho Kena a LO

    (dBm)

    xiaoyudengyu

    HAEBA khafetsa

    (GHz, Bonyane)

    letsatsidengyu

    HAEBA khafetsa

    (GHz, Boholo.)

    xiaoyudengyu

    Tahlehelo ea Phetoho

    (dB e phahameng ka ho fetisisa.)

    xiaoyudengyu

    Ho Ikarola ha LO & RF

    (dB)

    dengyu

    Ho itšehla thajana ha LO le IF

    (dB)

    dengyu

    Ho itšehla thajana ha RF le IF

    (dB)

    dengyu

    Sehokelo

    Nako ea ho Lopolla (Libeke)

    QIM-1750-5000 1.75 5 1.75 5 17 DC 2 10 38 40 30 Mosadi oa SMA 2~4
    QIM-6000-10000 6 10 6 10 15 DC 3.5 9 40 25 35 Mosadi oa SMA 2~4
    QIM-6000-26000 6 26 6 26 18 DC 6 12 35 30 30 Mosadi oa SMA 2~4

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