Toetoetra:
- Fandavana ny Stopband avo lenta
- Habe kely
+86-28-6115-4929
sales@qualwave.com
Ny sivana RF low pass dia sivana fanodinana famantarana izay miaro ireo famantarana amin'ny matetika ambany amin'ny alàlan'ny fanesorana ireo famantarana amin'ny matetika avo. Mamela ireo famantarana manana matetika latsaky ny tokonam-baravarana iray handalo izy io, saingy mandà ireo famantarana manana matetika mihoatra io tokonam-baravarana io.
1. Ireo famantarana latsaky ny fatran'ny matetika voafaritra ihany no avela handalo, raha ireo famantarana mihoatra io fatran'ny matetika io kosa dia sivana na ahena.
2. Rehefa mandalo amin'ny famantarana ambany matetika dia saika tsy misy fiovana eo amin'ny dingana.
3. Matetika, kapasitera sy induktora iray na maromaro no ampiasaina hanamboarana sivana ambany pass telecom.
1. Famantarana malefaka
Ny sivana "low pass" amin'ny matetika avo dia ampiasaina indrindra hanalefahana ny famantarana, afaka manala ny tabataba ao amin'ny famantarana "high-frequency" izy, mba hahatonga ny famantarana ho marin-toerana kokoa. Raha ilaina ny famantarana malefaka, ny sivana "low pass" microstrip dia afaka manala ny tabataba ateraky ny fitsabahana amin'ny matetika avo, ka mahatonga ny rafitra ho azo itokisana sy marin-toerana kokoa.
2. Fampihenana ny tabataba
Tsy hisy fiantraikany amin'ny famantarana matetika ambany ny sivana ambany, sady mitazona ny famantarana matetika ambany, azo sivana ny tabataba matetika avo. Amin'ny fanodinana feo na fanodinana sary, ny sivana ambany dia afaka manivana ny tabataba ary mahatonga ny famantarana voahodina ho mazava kokoa.
3. Ahena ny fahadisoana
Afaka mampihena ny lesoka ny sivana "low pass", indrindra fa mety amin'ny fandrefesana amin'ny fitaovana fandrefesana mazava tsara. Amin'ny fandrefesana sarotra sasany, ny sivana "low pass" dia afaka manala ny tabataba, ny fanelingelenana ary ny anton-javatra hafa, mba ho marina sy azo itokisana kokoa ny valin'ny fandrefesana.
4. Fampiharana isan-karazany
Ny sivana "low pass" amin'ny onjam-peo milimetatra dia manana fampiharana isan-karazany, manomboka amin'ny feo ka hatramin'ny sary, manomboka amin'ny fifandraisana ka hatramin'ny fanaraha-maso, saika na aiza na aiza. Ohatra, amin'ny fanodinana famantarana "baseband", ilaina ny sivana "low pass" kely.
Amin'ny fifandraisana, ny sivana "low pass" mihantona dia afaka manivana ny tabataba matetika avo lenta, ny fitsabahana, sns., mba hahazoana antoka ny kalitaon'ny fifandraisana; Eo amin'ny sehatry ny fanaraha-maso, ny sivana "stripline low pass" dia azo ampiasaina hanalefahana ny famantarana sy hanivanana ny tabataba.
QualwaveManome sivana "microwave low pass" amin'ny elanelam-peo DC-50GHz. Ampiasaina betsaka amin'ny fampiharana maro ny sivana "waveguide low pass".

Laharana ampahany | Passband(GHz, Min.) | Passband(GHz, Max.) | Fahaverezan'ny fampidirana(dB, Farafahakeliny.) | VSWR(Farafahakeliny.) | Fampihenana ny Stopband(dB) | Mpampitohy |
|---|---|---|---|---|---|---|
| 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-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-215-30 | DC | 0.215 | 0.6 | 1.4 | 30@0.35~1GHz | N |
| 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 fara-fahabetsany. | 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(mahazatra) | 30@3-5GHz | SMA |
| QLF-2250-30 | DC | 2.25 | 1.2 | 1.2(mahazatra) | 30@3-5GHz | SMA |
| QLF-2250-60 | DC | 2.25 | 1.5 | 1.3 | 60@2.65~7.4GHz | SMA |
| QLF-2400-58 | DC | 2.4 | 2 | 1.7 | 58@3-18GHz | SMA |
| QLF-3000-30 | DC | 3 | 0.9 | 1.3 (mahazatra) | 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-4000-30 | DC | 4 | 1 | 1.7 | 50@4.8~7GHz, 40@7~11GHz, 30@11~12GHz | 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 | PIN Φ0.38 |
| 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 |