Fonctiounen:
- Héich Stopband-Ofleenung
- Kleng Gréisst
-
+86-28-6115-4929 -
sales@qualwave.com
Déifpassfilter RF Koaxial Héichfrequenz Mikrostrip Mikrowell Millimeterwelle Radiofrequenz Suspendéiert Stripline Wellenleiter
En HF-Tiefpassfilter ass e Signalveraarbechtungsfilter, deen Nidderfrequenzsignaler erhaalt andeems en Héichfrequenzsignaler ewechhëlt. E léisst Signaler mat Frequenzen ënner engem bestëmmte Schwellwäert duerch, awer refuséiert Signaler mat Frequenzen iwwer deem Schwellwäert.
Eegeschafte vu Radiofrequenz-Tiefpassfilter:
1. Nëmme Signaler ënner enger spezifescher Frequenz däerfen duerchlafen, während Signaler iwwer där Frequenz gefiltert oder geschwächt ginn.
2. Beim Duerchlaf vun Nidderfrequenzsignaler gëtt et bal keng Phasännerung.
3. Normalerweis ginn een oder méi Kondensatoren an Induktivitéiten benotzt fir Telekommunikatiouns-Tiefpassfilter ze bauen.
Uwendung vu koaxialen Tiefpassfilteren:
1. Glat Signal
En Héichfrequenz-Tiefpassfilter gëtt haaptsächlech benotzt fir d'Signal ze glätten, et kann de Rauschen am Héichfrequenzsignal ewechhuelen, sou datt de Signal méi stabil gëtt. A Fäll wou e glaten Signal erfuerderlech ass, kann de Mikrostrip-Tiefpassfilter Héichfrequenz-Interferenzrauschen ewechhuelen, wouduerch de System méi zouverlässeg a stabil gëtt.
2. Geräischerreduktioun
En Déifpassfilter beaflosst den Déiffrequenzsignal net, wärend den Déiffrequenzsignal bäibehale gëtt, kann Héichfrequenzgeräischer erausgefiltert ginn. An der Audioveraarbechtung oder Bildveraarbechtung kënnen Déifpassfilter Geräischer erausfilteren an dat veraarbecht Signal méi kloer maachen.
3. Reduzéiert de Feeler
En Déifpassfilter kann de Feeler reduzéieren, besonnesch gëeegent fir Präzisiounsinstrumentmiessungen. Bei e puer usprochsvollen Miessunge kann den Déifpassfilter Rauschen, Interferenzen an aner Faktoren ewechhuelen, sou datt d'Miessresultater méi genee a zouverlässeg sinn.
4. Breet Palette vun Uwendungen
Millimeterwellen-Tiefpassfilter hunn e ganz breede Spektrum vun Uwendungen, vun Audio bis Bild, vu Kommunikatioun bis Kontroll, bal iwwerall. Zum Beispill, an der Basisbandsignalveraarbechtung ass e klengen Tiefpassfilter néideg.
An der Kommunikatioun kann en opgeschlossene Tiefpassfilter Héichfrequenzgeräischer, Interferenzen usw. erausfilteren, fir d'Kommunikatiounsqualitéit ze garantéieren; am Beräich vun der Kontroll kann de Stripline-Tiefpassfilter fir d'Signalglättung an d'Rauschfilterung benotzt ginn.
Qualwaveliwwert Mikrowellen-Tiefpassfilter am Frequenzberäich DC-50GHz. D'Wellenleiter-Tiefpassfilter gi wäit verbreet a ville Uwendungen agesat.
Deelnummer | Passband(GHz, Min.)  | Passband(GHz, Max.) | Insertion Loss(dB, Max.) | VSWR(Max.) | Stopband-Dämpfung(dB) | Stecker |
|---|---|---|---|---|---|---|
| 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-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 maximal. | 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-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@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 | 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@20GHz | SMA |
| QLF-18000-35 | DC | 18 | 1.5 | 2 | 35@19-28GHz | SMA |
| QLF-18000-40 | DC | 18 | 2 | 2 | 40@20-38GHz | 2,92 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@22GHz | SMA |
| QLF-20000-60 | DC | 20 | 1 | 2 | 60@23-40GHz | 2,92 mm |
| 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 | 2,92 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@60GHz | 2,4 mm |
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