Mawonekedwe:
- Kukana Kwambiri kwa Stopband
- Kukula Kwakung'ono
RF low pass fyuluta ndi fyuluta yosinthira ma siginecha yomwe imasunga ma siginecha otsika pochotsa ma frequency apamwamba. Imalola ma siginecha okhala ndi ma frequency ocheperako kuti adutse, koma imakana ma siginecha okhala ndi ma frequency akulu kuposa malirewo.
1. Zizindikiro zokha zomwe zili pansi pa mafupipafupi zimaloledwa kudutsa, pamene zizindikiro pamwamba pake zimasefedwa kapena kufooka.
2. Podutsa zizindikiro zotsika kwambiri, palibe kusintha kwa gawo.
3. Nthawi zambiri, capacitor imodzi kapena zingapo ndi inductors zimagwiritsidwa ntchito popanga zosefera za telecom low pass.
1.Smooth chizindikiro
Fyuluta yapamwamba kwambiri yotsika kwambiri imagwiritsidwa ntchito makamaka kusalaza chizindikiro, imatha kuchotsa phokoso mu siginecha yapamwamba kwambiri, kuti chizindikirocho chikhale chokhazikika. Pamene chizindikiro chosalala chikufunika, fyuluta ya microstrip low pass pass imatha kuchotsa phokoso losokoneza kwambiri, motero zimapangitsa kuti dongosolo likhale lodalirika komanso lokhazikika.
2.Kuchepetsa phokoso
Zosefera zotsika sizingakhudze chizindikiro chotsika, ndikusunga chizindikiro chotsika, phokoso lambiri limatha kusefedwa. Pokonza ma audio kapena kujambula zithunzi, zosefera zotsika zimatha kusefa phokoso ndikupangitsa kuti siginecha yokonzedwayo imveke bwino.
3.Chepetsani cholakwika
Sefa yotsika yotsika imatha kuchepetsa cholakwikacho, makamaka yoyenera kuyeza kolondola kwa zida. Mu miyeso ina yovuta, fyuluta yotsika imatha kuchotsa phokoso, kusokoneza ndi zinthu zina, kuti zotsatira zake zikhale zolondola komanso zodalirika.
4.Wide osiyanasiyana ntchito
Milimeter wave low pass pass fyuluta ili ndi mitundu yosiyanasiyana ya ntchito, kuchokera ku audio kupita ku chithunzi, kuchokera pakulankhulana mpaka kuwongolera, pafupifupi kulikonse. Mwachitsanzo, pokonza ma sign a baseband, fyuluta yaying'ono yotsika yotsika ndiyofunikira.
Polankhulana, fyuluta yoyimitsidwa yotsika imatha kusefa phokoso la pafupipafupi, kusokoneza, ndi zina zambiri, kuwonetsetsa kuti kulumikizana kuli bwino; M'munda wowongolera, fyuluta ya stripline low pass ingagwiritsidwe ntchito kusalaza ndi kusefa phokoso.
Qualwaveimapereka zosefera za microwave low pass pa frequency range DC-50GHz. Zosefera za waveguide low pass zimagwiritsidwa ntchito kwambiri pamapulogalamu ambiri.
Gawo Nambala | Chiphaso(GHz, Min.) | Chiphaso(GHz, Max.) | Kutayika Kwawo(dB, Max.) | Chithunzi cha VSWR(Max.) | Stopband Attenuation(dB) | Zolumikizira |
---|---|---|---|---|---|---|
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 | 50-50 MHz | 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-125-60 | DC | 0.125 | 2 | 1.5 | 60@0.15~0.6GHz | 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-500-45 | DC | 0.5 | 1.5 | 1.8 | 45@0.6~1GHz | 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 (mtundu) | 30@3-5GHz | SMA |
QLF-2250-30 | DC | 2.25 | 1.2 | 1.2 (mtundu) | 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 (mtundu) | 30@4.78-7.5GHz | SMA |
QLF-3000-60 | DC | 3 | 1.5 | 1.3 | 60@3.52~10GHz | 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 pa 12 GHz | 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 pa 11 GHz | 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 | Φ0.38 PIN |
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 @ 20 GHz | SMA |
QLF-18000-35 | DC | 18 | 1.5 | 2 | 35@19-28GHz | SMA |
QLF-18000-40 | DC | 18 | 2 | 2 | 40-20-38GHz | 2.92 mm |
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 pa 22 GHz | SMA |
QLF-20000-60 | DC | 20 | 1 | 2 | 60@23-40GHz | 2.92 mm |
QLF-20000-70 | DC | 20 | 1.5 | 1.8 | 70 pa 24 GHz | SMA |
QLF-20000-75 | DC | 20 | 1.5 | 2 | 75@24-44GHz | SMA |
QLF-25000-40 | DC | 25 | 2 | 2 | 40@28-30GHz | 2.92 mm |
QLF-25000-40-1 | DC | 25 | 1.5 | 1.7 | 40@28-40GHz | 2.92 mm |
QLF-25000-40-2 | DC | 25 | 2 | 2 | 40@28-40GHZ, 70@30-44GHz | 2.92 mm |
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 | 2.4 mm |
QLF-33000-25 | DC | 33 | 3 | 2 | 25@37-50GHz | 2.92 mm |
QLF-40000-20 | DC | 40 | 2 | 2 | 20@60GHz, 40@65GHz, 60@70GHz | 2.92 mm |
QLF-50000-20 | DC | 50 | 2 | 2.5 | 20 pa 60 GHz | 2.4 mm |