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  • Vichungi vya chini vya kupitisha RF Coaxial High Frequency Microstrip Microwave Millimeter Radio frequency iliyosimamishwa Stripline Waveguide
  • Vichungi vya chini vya kupitisha RF Coaxial High Frequency Microstrip Microwave Millimeter Radio frequency iliyosimamishwa Stripline Waveguide
  • Vichungi vya chini vya kupitisha RF Coaxial High Frequency Microstrip Microwave Millimeter Radio frequency iliyosimamishwa Stripline Waveguide
  • Vichungi vya chini vya kupitisha RF Coaxial High Frequency Microstrip Microwave Millimeter Radio frequency iliyosimamishwa Stripline Waveguide
  • Vichungi vya chini vya kupitisha RF Coaxial High Frequency Microstrip Microwave Millimeter Radio frequency iliyosimamishwa Stripline Waveguide

    Vipengee:

    • Kukataa kwa kiwango cha juu
    • Saizi ndogo

    Maombi:

    • Telecom
    • Maabara
    • Wapokeaji wa mtihani
    • Ala

    Kichujio cha chini cha RF ni kichujio cha usindikaji wa ishara ambacho huhifadhi ishara za masafa ya chini kwa kuondoa ishara za masafa ya juu. Inaruhusu ishara zilizo na masafa chini ya kizingiti fulani kupita, lakini inakataa ishara na masafa makubwa kuliko kizingiti hicho.

    Vipengele vya vichungi vya redio vya chini vya redio:

    1. Ishara tu chini ya frequency maalum inaruhusiwa kupita, wakati ishara hapo juu kuwa frequency huchujwa au kudhoofishwa.
    2. Wakati wa kupita kwa ishara za mzunguko wa chini, karibu hakuna mabadiliko katika awamu.
    3. Kawaida, capacitors moja au zaidi na inductors hutumiwa kuunda vichungi vya chini vya simu.

    Matumizi ya vichungi vya chini vya coaxial:

    Ishara ya 1.Smooth
    Kichujio cha kupita kwa kiwango cha juu cha chini hutumiwa hasa laini ya ishara, inaweza kuondoa kelele katika ishara ya masafa ya juu, ili ishara iwe thabiti zaidi. Katika hali ambapo ishara laini inahitajika, kichujio cha kupitisha cha chini cha Microstrip kinaweza kuondoa kelele ya uingiliaji wa mzunguko wa juu, na hivyo kufanya mfumo kuwa wa kuaminika zaidi na thabiti.
    2.Hakuna kupunguzwa
    Kichujio cha kupita chini hakitaathiri ishara ya chini-frequency, wakati inahifadhi ishara ya chini-frequency, kelele ya frequency ya juu inaweza kuchujwa. Katika usindikaji wa sauti au usindikaji wa picha, vichungi vya chini vya kupita vinaweza kuchuja kelele na kufanya ishara ya kusindika iwe wazi.
    3.Bundua kosa
    Kichujio cha kupita cha chini kinaweza kupunguza kosa, haswa linalofaa kwa kipimo cha chombo cha usahihi. Katika vipimo vingine vinavyohitaji, kichujio cha chini cha kupita kinaweza kuondoa kelele, kuingiliwa na mambo mengine, ili matokeo ya kipimo ni sahihi zaidi na ya kuaminika.
    4. Aina ya matumizi
    Kichujio cha kupita kwa Wimbi la Millimeter kina matumizi anuwai sana, kutoka kwa sauti hadi picha, kutoka kwa mawasiliano hadi kudhibiti, karibu kila mahali. Kwa mfano, katika usindikaji wa ishara ya baseband, kichujio cha chini cha chini cha kupita ni muhimu.
    Katika mawasiliano, kichujio cha chini cha kupita kinaweza kuchuja kelele za mzunguko wa juu, kuingiliwa, nk, ili kuhakikisha ubora wa mawasiliano; Kwenye uwanja wa udhibiti, kichujio cha kupitisha cha chini kinaweza kutumika kwa laini ya ishara na kuchuja kwa kelele.

    QualwaveInasambaza vichungi vya chini vya microwave katika masafa ya masafa DC-50GHz. Vichungi vya kupita kwa kiwango cha chini hutumiwa sana katika programu nyingi.

    IMG_08
    IMG_08

    Nambari ya sehemu

    Passband

    (GHz, Min.)

    Passband

    (GHz, Max.)

    Upotezaji wa kuingiza

    (DB, Max.)

    Vswr

    (Max.)

    Stopband Attenuation

    (DB)

    Viunganisho

    QLF-1-40 DC 0.001 1.5 1.5 40@2-4MHz, 50@4-100MHz Sma
    QLF-2-15-40 0.002 0.015 2.5 1.5 40@17-200MHz Sma
    QLF-2.5-50 DC 0.0025 0.8 1.5 50@5-50MHz Sma
    QLF-5-50 DC 0.005 1 1.5 50@8-50MHz Sma
    QLF-10-50 DC 0.01 1 1.5 50@13-150MHz Sma
    QLF-30-40 DC 0.03 1 1.5 40@45MHz, 60@60MHz Sma
    QLF-32-40 DC 0.032 0.8 1.5 40@50-90MHz N
    QLF-45-20 DC 0.045 1 1.7 20@0.07-0.09GHz Sma
    QLF-55-35 DC 0.055 0.8 1.5 35@0.07-0.2GHz Sma
    QLF-200-2400-60 0.2 2.4 5 1.5 60@3.6GHz Sma
    QLF-300-40 DC 0.3 1 1.5 40@450MHz, 60@600MHz Sma
    QLF-300-60 DC 0.3 0.5 1.5 60@0.643-3GHz Sma
    QLF-330-60 DC 0.33 0.5 1.3 60@0.643-3GHz Sma
    QLF-480-30 DC 0.48 3 1.5 30@0.53-3GHz Sma
    QLF-1000-30 DC 1 0.9 1.2 30@1.9-5GHz Sma
    QLF-1000-70 DC 1 1 1.5 70@1.3-4.2GHz Sma
    QLF-1100-60 DC 1.1 0.9 1.4 60@1.5~3GHz Sma
    QLF-1200-60 DC 1.2 1 1.5 60@1.8-8GHz Sma
    QLF-1400-50 DC 1.4 2 1.6 50@2GHz max. Sma
    QLF-2000-50 DC 2 1 1.5 50@2.3-4GHz, 40@4~7GHz Sma
    QLF-2186-30 1.5 2.186 2 1.6 30@2.37-3GHz Sma
    QLF-2200-30 DC 2.2 0.9 1.2 (typ.) 30@3-5GHz Sma
    QLF-2250-30 DC 2.25 1.2 1.2 (typ.) 30@3-5GHz Sma
    QLF-2400-58 DC 2.4 2 1.7 58@3-18GHz Sma
    QLF-3000-30 DC 3 0.9 1.3 (typ.) 30@4.78-7.5GHz Sma
    QLF-3200-40 DC 3.2 1 1.5 40@3.8-18GHz Sma
    QLF-3200-60 DC 3.2 1.5 1.5 60@3.6GHz, 60@3.6-20GHz Sma
    QLF-3500-40 DC 3.5 1.5 1.5 40@3.85-18GHz Sma
    QLF-3870-30 DC 3.87 2.5 1.7 30@4.32GHz Sma
    QLF-4000-50 DC 4 1 2 50@4.7-8GHz Sma
    QLF-4000-60 DC 4 1.5 1.3 60@4.5-12.3GHz Sma
    QLF-4400-40 DC 4.4 0.73 1.2 40@6.28-9.8GHz Sma
    QLF-5000-40 DC 5 0.68 1.2 40@7.05-10GHz Sma
    QLF-5000-45 DC 5 1 2 45@5.8-10.5GHz Sma
    QLF-5325-30 DC 5.325 1.5 1.5 30@5.925GHz Sma
    QLF-5500-60 DC 5.5 3 2 60@6-20GHz Sma
    QLF-6000-20 0.5 6 2 1.8 20@6.5GHz Sma
    QLF-6000-45 DC 6 1 2 45@6.8-10.5GHz Sma
    QLF-6000-60 DC 6 1.5 1.3 60@6.7-15.5GHz Sma
    QLF-6500-30 DC 6.5 1 1.8 30@8-15GHz Sma
    QLF-6500-60 DC 6.5 1.5 1.3 60@7.27-15.3GHz Sma
    QLF-7000-48 DC 7 1 2 48@7.8-11GHz Sma
    QLF-7000-50 DC 7 1.5 1.3 50@7.77-15.5GHz Sma
    QLF-8000-40 DC 8 2 2 40@9-25GHz Sma
    QLF-8000-40-1 DC 8 1.2 1.5 40@8.9-16GHz Sma
    QLF-8000-50 DC 8 1.5 1.4 50@8.8-16.2GHz Sma
    QLF-8000-50-1 DC 8 1 2 50@8.8-20GHz Sma
    QLF-8000-50-2 DC 8 1.2 2 50@9-18GHz Sma
    QLF-9000-50 DC 9 1.5 1.4 50@9.8-17GHz Sma
    QLF-9000-50-1 DC 9 1 2 50@15-22GHz Sma
    QLF-9000-60 DC 9 1 1.6 60@14-17GHz Sma
    QLF-9500-50 DC 9.5 1.5 1.4 50@10.2-18GHz Sma
    QLF-10000-20 DC 10 0.5 1.7 20@12GHz Sma
    QLF-10000-30 DC 10 1 1.7 30@13.2GHz Sma
    QLF-10000-30-1 DC 10 1 1.8 30@13-40GHz Sma
    QLF-10000-35 DC 10 1 2 35@11GHz Sma
    QLF-10000-50 DC 10 1.5 1.4 50@10.9-18.5GHz Sma
    QLF-11000-50 DC 11 1.5 1.5 50@12.1-19GHz Sma
    QLF-11000-50-1 DC 11 2 1.7 50@12-40GHz Sma
    QLF-11700-50 DC 11.7 2 1.7 50@12.7-13.45GHz Sma
    QLF-12000-70 DC 12 1 1.7 70@14-19GHz Sma
    QLF-13000-50 DC 13 2 1.5 50@14.1-21GHz Sma
    QLF-13000-55 DC 13 1.5 1.8 55@15.2-40GHz Sma
    QLF-13500-50 DC 13.5 2 1.5 50@14.7-21.3GHz Sma
    QLF-14000-45 DC 14 1 1.8 45@20-40GHz Sma
    QLF-15000-50 DC 15 2.5 1.5 50@16-22.3GHz Sma
    QLF-16000-50 DC 16 1.5 2 50@16.8-24GHz Sma
    QLF-17000-50 DC 17 1.5 2 50@30-33GHz Sma
    QLF-18000-15 DC 18 1 1.7 15@20GHz Sma
    QLF-18000-35 DC 18 1.5 2 35@19-28GHz Sma
    QLF-18000-40 DC 18 2 2 40@20-38GHz 2.92mm
    QLF-18000-45 DC 18 1.2 2 45@28-40GHz Sma
    QLF-18000-50 DC 18 3 1.6 50@19.1-26GHz Sma
    QLF-18000-50-1 DC 18 2 2 50@18.8-19.5GHZ Sma
    QLF-20000-25 DC 20 2 2 25@23-40GHz Sma
    QLF-20000-50 DC 20 1.2 2 50@22GHz Sma
    QLF-20000-60 DC 20 1 2 60@23-40GHz 2.92mm
    QLF-20000-70 DC 20 1.5 1.8 70@24GHz Sma
    QLF-20000-75 DC 20 1.5 2 75@24-44GHz Sma
    QLF-25000-40 DC 25 2 2 40@28-30GHz 2.92mm
    QLF-25000-40-1 DC 25 1.5 1.7 40@28-40GHz 2.92mm
    QLF-25000-40-2 DC 25 2 2 40@28-40GHz, 70@30-44GHz 2.92mm
    QLF-26000-30 DC 26 1.5 1.7 30@28GHz, 70@29 ~ 40GHz Sma
    QLF-28000-30 DC 28 2 2 30@30-38GHz 2.4mm
    QLF-33000-25 DC 33 3 2 25@37-50GHz 2.92mm
    QLF-40000-20 DC 40 2 2 20@60GHz, 40@65GHz, 60@70GHz 2.92mm
    QLF-50000-20 DC 50 2 2.5 20@60GHz 2.4mm

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