Fonctiounen:
- Héich Stopband Ofleenung
- Kleng Gréisst
E Low-Passfilter ass e Signalveraarbechtungsfilter deen niddereg Frequenzsignaler erhaalt andeems se Héichfrequenz Signaler ewechhuelen. Et erlaabt Signaler mat Frequenzen manner wéi e bestëmmte Schwell ze passéieren, awer refuséiert Signaler mat Frequenzen méi wéi déi Schwell.
1. Nëmme Signaler ënner enger spezifescher Frequenz sinn erlaabt duerch ze goen, während Signaler iwwer déi Frequenz gefiltert oder geschwächt sinn.
2. Wann Dir duerch Low-Frequenz Signaler passéiert, gëtt et bal keng Phaseännerung.
3. Normalerweis ginn een oder méi Kondensatoren an Induktoren benotzt fir Low-Passfilter ze konstruéieren.
1.smooth Signal
Low-Pass Filter gëtt haaptsächlech benotzt fir d'Signal ze gläichen, et kann de Geräischer am Héichfrequenzsignal ewechhuelen, sou datt d'Signal méi stabil gëtt. A Fäll wou e glat Signal erfuerderlech ass, kann de Low-Pass-Filter Héichfrequenzinterferenzrauschen ewechhuelen, sou datt de System méi zouverlässeg a stabil gëtt.
2.Kaméidi Reduktioun
Low-Pass-Filter beaflosst net de Low-Frequenz-Signal, wärend de Low-Frequenz-Signal behalen, kann d'Héichfrequenz Kaméidi gefiltert ginn. An der Audioveraarbechtung oder der Bildveraarbechtung kënnen Low-Pass Filtere Geräischer ausfilteren an de veraarbechte Signal méi kloer maachen.
3.reduce de Feeler
Low-Pass Filter kann de Feeler reduzéieren, besonnesch gëeegent fir Präzisiounsinstrumentmiessung. A verschiddenen usprochsvollen Miessunge kann de Low-Pass-Filter Kaméidi, Interferenz an aner Faktoren ewechhuelen, sou datt d'Messresultater méi genee an zouverlässeg sinn.
4.breet Palette vun Applikatioun
Low Pass Filter huet eng ganz breet Palette vun Uwendungen, vun Audio bis Bild, vu Kommunikatioun bis Kontroll, bal iwwerall. Zum Beispill, an der Basisband Signalveraarbechtung ass e Low-Passfilter noutwendeg.
An der Kommunikatioun kann Low-Pass-Filter héichfrequenz Geräischer, Stéierungen etc. filteren, fir d'Kommunikatiounsqualitéit ze garantéieren; Am Kontrollberäich kann de Low-Pass-Filter fir Signalglättung a Geräischerfiltering benotzt ginn.
Qualwaveliwwert héich Stopband Oflehnung Low Pass Filteren am Frequenzbereich DC-50GHz. Déi niddereg Passfilter gi wäit a ville Uwendungen benotzt.
Deel Zuel | Passband(GHz, Min.) | Passband(GHz, Max.) | Insertion Verloscht(dB, Max.) | VSWR(Max.) | Stopband Attenuatioun(dB) | Connectoren |
---|---|---|---|---|---|---|
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 @ 17-200 MHz | 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 @ 13-150 MHz | 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-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 @ 3-5 GHz | SMA |
QLF-2250-30 | DC | 2.25 | 1.2 | 1.2 (Typ) | 30 @ 3-5 GHz | 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@3.6-20GHz | 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 @ 8-15 GHz | 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 @ 9-25 GHz | 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 @ 15-22 GHz | 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 @ 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 @ 13-40 GHz | SMA |
QLF-10000-35 | DC | 10 | 1 | 2 | 35 @ 11 GHz | SMA |
QLF-10000-50 | DC | 10 | 1.5 | 1.4 | 50@10.9-18.5GHz | SMA |
QLF-11000-45 | DC | 11 | 2 | 1.8 | 45 @ 12-24 GHz | SMA |
QLF-11000-50 | DC | 11 | 1.5 | 1.5 | 50@12.1-19GHz | 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 @ 14-19 GHz | 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-14000-45 | DC | 14 | 1 | 1.8 | 45 @ 20-40 GHz | 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 @ 30-33 GHz | SMA |
QLF-18000-15 | DC | 18 | 1 | 1.7 | 15 @ 20 GHz | SMA |
QLF-18000-35 | DC | 18 | 1.5 | 2 | 35 @ 19-28 GHz | SMA |
QLF-18000-40 | DC | 18 | 2 | 2 | 40 @ 20-38 GHz | 2,92 mm |
QLF-18000-45 | DC | 18 | 1.2 | 2 | 45 @ 28-40 GHz | 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 @ 23-40 GHz | SMA |
QLF-20000-50 | DC | 20 | 1.2 | 2 | 50 @ 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 @ 24 GHz | SMA |
QLF-20000-75 | DC | 20 | 1.5 | 2 | 75 @ 24-44 GHz | SMA |
QLF-25000-40 | DC | 25 | 2 | 2 | 40 @ 28-30 GHz | 2,92 mm |
QLF-25000-40-1 | DC | 25 | 1.5 | 1.7 | 40 @ 28-40 GHz | 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 | 2,92 mm |
QLF-28000-30 | DC | 28 | 2 | 2 | 30 @ 30-38 GHz | 2,4 mm |
QLF-33000-25 | DC | 33 | 3 | 2 | 25 @ 37-50 GHz | 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 @ 60 GHz | 2,4 mm |