Karatteristiċi:
- Ċaħda ta' Stopband Għolja
- Daqs Żgħir
Il-filtru RF low pass huwa filtru tal-ipproċessar tas-sinjali li jippreserva sinjali ta' frekwenza baxxa billi jneħħi sinjali ta' frekwenza għolja. Jippermetti li jgħaddu sinjali bi frekwenzi inqas minn ċertu limitu, iżda jirrifjuta sinjali bi frekwenzi akbar minn dak il-limitu.
1. Sinjali taħt frekwenza speċifika biss huma permessi li jgħaddu, filwaqt li sinjali 'l fuq minn dik il-frekwenza jiġu ffiltrati jew imdgħajfa.
2. Meta tgħaddi minn sinjali ta' frekwenza baxxa, kważi ma jkun hemm l-ebda bidla fil-fażi.
3. Normalment, wieħed jew aktar capacitors u indutturi jintużaw biex jinbnew filtri low pass tat-telekomunikazzjoni.
1. Sinjal bla xkiel
Il-filtru low-pass ta' frekwenza għolja jintuża prinċipalment biex jillixxa s-sinjal, jista' jneħħi l-istorbju fis-sinjal ta' frekwenza għolja, sabiex is-sinjal isir aktar stabbli. F'każijiet fejn ikun meħtieġ sinjal lixx, il-filtru low-pass tal-mikrostrip jista' jneħħi l-istorbju ta' interferenza ta' frekwenza għolja, u b'hekk jagħmel is-sistema aktar affidabbli u stabbli.
2. Tnaqqis tal-ħoss
Il-filtru low-pass mhux se jaffettwa s-sinjal ta' frekwenza baxxa, filwaqt li jżomm is-sinjal ta' frekwenza baxxa, l-istorbju ta' frekwenza għolja jista' jiġi ffiltrat. Fl-ipproċessar tal-awdjo jew fl-ipproċessar tal-immaġni, il-filtri low-pass jistgħu jiffiltraw l-istorbju u jagħmlu s-sinjal ipproċessat aktar ċar.
3. Naqqas l-iżball
Il-filtru low-pass jista' jnaqqas l-iżball, speċjalment adattat għal kejl ta' strumenti ta' preċiżjoni. F'xi kejlijiet impenjattivi, il-filtru low-pass jista' jneħħi l-istorbju, l-interferenza u fatturi oħra, sabiex ir-riżultati tal-kejl ikunu aktar preċiżi u affidabbli.
4. Firxa wiesgħa ta' applikazzjoni
Il-filtru low pass tal-mewġa millimetrika għandu firxa wiesgħa ħafna ta' applikazzjonijiet, mill-awdjo għall-immaġni, mill-komunikazzjoni għall-kontroll, kważi kullimkien. Pereżempju, fl-ipproċessar tas-sinjali tal-baseband, huwa meħtieġ filtru low pass ta' daqs żgħir.
Fil-komunikazzjoni, il-filtru low pass sospiż jista' jiffiltra l-istorbju ta' frekwenza għolja, l-interferenza, eċċ., biex jiżgura l-kwalità tal-komunikazzjoni; Fil-qasam tal-kontroll, il-filtru low pass stripline jista' jintuża għat-twittija tas-sinjali u l-iffiltrar tal-istorbju.
Qualwavejipprovdi filtri low pass tal-microwave fil-medda ta' frekwenza DC-50GHz. Il-filtri low pass tal-waveguide jintużaw ħafna f'ħafna applikazzjonijiet.
Numru tal-Parti | Banda ta' passaġġ(GHz, Min.) | Banda ta' passaġġ(GHz, Massimu) | Telf ta' Inserzjoni(dB, Massimu) | VSWR(Massimu) | Attenwazzjoni tal-Waqqafband(dB) | Konnetturi |
---|---|---|---|---|---|---|
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 | Massimu ta' 50@2GHz. | 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 (tipiku) | 30@3-5GHz | SMA |
QLF-2250-30 | DC | 2.25 | 1.2 | 1.2 (tipiku) | 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 (tipiku) | 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 | PIN ta' 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 |