Karatteristiċi:
- Faxxa Wiesgħa
- Temperatura Baxxa tal-Istorbju
- VSWR ta' Input Baxx
Fis-sistemi ta' komunikazzjoni, sabiex tiġi ffaċilitata t-trażmissjoni tas-sinjali u jinkiseb l-użu mill-ġdid tal-kanali, il-frekwenza tas-sinjali trasmessi hija għolja ħafna, għalhekk il-konverżjoni tal-frekwenza tas-sinjali hija aspett importanti tar-riċerka tas-sistemi ta' komunikazzjoni. Skont is-sitwazzjoni qabel u wara l-konverżjoni tal-frekwenza, din tista' tinqasam f'konverżjoni 'l isfel (tnaqqis tal-frekwenza) u konverżjoni 'l fuq (żieda fil-frekwenza).
Fir-riċevitur, jekk is-sinjal tal-frekwenza intermedja miksub wara t-taħlit ikun aktar baxx mis-sinjal oriġinali, allura dan il-metodu ta' taħlit jissejjaħ block downconverters (LNBs).
Il-metodu tal-blokk downconverters huwa li jimmultiplika s-sinjal riċevut bis-sinjal tal-oxxillatur lokali ġġenerat mill-oxxillatur lokali, u mbagħad jinkiseb is-sinjal konvertit permezz ta' filtru low-pass. Żewġ sinjali mmultiplikati jistgħu jinqasmu f'taħlit reali u taħlit kumpless permezz ta' rappreżentazzjoni reali jew kumplessa.
L-iskop tal-block downconverters huwa li jnaqqsu l-frekwenza tat-trasportatur tas-sinjal jew ineħħu direttament il-frekwenza tat-trasportatur biex jiksbu s-sinjal baseband. Minħabba ċ-ċirkwit sempliċi u l-ispiża baxxa tiegħu, il-metodu ta' down conversion jintuża ħafna f'tagħmir ċivili u tagħmir militari b'rekwiżiti ta' prestazzjoni baxxa.
1. TV bis-Satellita: L-LNBs huma komponenti ewlenin fis-sistemi ta' riċeviment tat-TV bis-satellita. Jiġu installati fil-punt fokali ta' antenna tas-satellita (parabolojde jew antenna dixx), jirċievu s-sinjal tat-TV trażmess mis-satellita, u jikkonvertuh f'sinjal ta' frekwenza intermedja li jista' jiġi pproċessat mir-riċevitur.
2. Internet bis-Satellita: Fis-sistemi tal-Internet bis-satellita, l-amplifikaturi jintużaw biex jirċievu dejta tal-Internet trażmessa mis-satelliti. It-tagħmir tal-utent jirċievi d-dejta permezz tal-LNB u jiddekodifikaha u jipproċessaha permezz tal-modem.
3. Komunikazzjonijiet bis-Satellita: L-amplifikaturi RF jintużaw ħafna f'diversi sistemi ta' komunikazzjoni bis-satellita, inklużi telefowns bis-satellita, xandiriet bis-satellita, trasmissjoni ta' dejta bis-satellita, eċċ. Huma jgħinu biex jirċievu u jipproċessaw diversi tipi ta' sinjali ta' komunikazzjoni trażmessi mis-satelliti.
4. Osservazzjoni tad-Dinja u Telerilevament: F'xi applikazzjonijiet ta' osservazzjoni tad-Dinja u telerilevament, amplifikaturi tal-microwave jintużaw biex jirċievu dejta telerilevament trażmessa minn satelliti. Din id-dejta tista' tintuża fil-monitoraġġ meteoroloġiku, fil-monitoraġġ ambjentali, fit-twissija ta' diżastri u f'oqsma oħra.
Fil-qosor, l-LNBs għandhom rwol vitali fis-sistemi moderni ta' komunikazzjoni bis-satellita u jintużaw ħafna fix-xandir televiżiv, l-aċċess għall-Internet, il-komunikazzjonijiet tad-dejta u diversi oqsma professjonali.
Qualwavejipprovdi diversi tipi ta' Block Downconverters (LNBs) fil-Band S~Ka, b'temperatura tal-ħoss ta' 45~240K. It-terminazzjonijiet b'tip differenti biex jissodisfaw il-ħtiġijiet tal-klijenti.
LNBs | |||||||||
---|---|---|---|---|---|---|---|---|---|
Numru tal-Parti | Banda | Frekwenza RF tad-Dħul (GHz) | Frekwenza LO (GHz) | Frekwenza IF tal-Ħruġ (MHz) | Qligħ (dB) | NT(K) | Konnettur IF | VSWR (Massimu) | Ħin taċ-Ċomb (Ġimgħat) |
QLB-2200-2700-60-50 | S | 2.2~2.7 | 3.65 | 950~1450 | 60 | 50 | N, SMA, F | 2.0/1.5 | 2~8 |
QLB-3400-4200-60-40 | C | 3.4~4.2 | 5.15 | 950~1750 | 60 | 40 | N, SMA, F | 1.35/1.5 | 2~8 |
QLB-3400-4200-60-45 | C | 3.4~4.2 | 5.15 | 950~1750 | 60 | 45 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-3400-4800-60-75 | C | 3.4~4.8 | 5.15 jew 5.75 | 950~1750 jew 950~1550 | 60 | 75 | N, SMA, F | 1.5/1.5 | 2~8 |
QLB-3625-4200-60-45 | C | 3.625~4.2 | 5.15 | 950~1520 | 60 | 45 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-3700-4200-60-40 | C | 3.7~4.2 | 5.15 | 950~1450 | 60 | 40 | N, SMA, F | 1.35/1.5 | 2~8 |
QLB-3700-4200-60-45 | C | 3.7~4.2 | 5.15 | 950~1450 | 60 | 45 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-4500-4800-60-45 | C | 4.5~4.8 | 5.76 | 960~1260 | 60 | 45 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-7250-7750-60-75 | X | 7.25~7.75 | 6.3 | 950~1450 | 60 | 75 | N, SMA, F | 1.5/2.0 | 2~8 |
QLB-7750-8500-60-75-2 | X | 7.75~8.5 | 6.95 | 800~1550 | 60 | 75 | N, SMA, F | 1.5/2.0 | 2~8 |
QLB-7750-8500-60-75 | X | 7.75~8.5 | 6.8 | 950~1700 | 60 | 75 | N, SMA, F | 1.5/2.0 | 2~8 |
QLB-10700-11700-60-65 | Ku | 10.7~11.7 | 9.75 | 950~1950 | 60 | 65 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-10700-11700-60-65-2 | Ku | 10.7~11.7 | 9.75 | 950~1950 | 60 | 65 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-10700-12750-60-65 | Ku | 10.7~12.75 | 9.75 jew 10.6 | 950~1950 jew 1100~2150 | 60 | 65 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-10700-12750-60-65-2 | Ku | 10.7~12.75 | 9.75 jew 10.75 | 950~2000 | 60 | 65 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-10700-12750-60-80 | Ku | 10.7~12.75 | 9.75 jew 10.25 jew 10.75 jew 11.30 | 940~1500 jew 950~1450 | 60 | 80 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-10700-12750-60-80-2 | Ku | 10.7~12.75 | 9.75 jew 10.75 jew 11.30 | 950~1950 jew 940~1500 jew 950~1450 | 60 | 80 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-10700-12750-60-90 | Ku | 10.7~12.75 | 9.75 | 950~3000 | 60 | 90 | N, SMA, F | 1.35/1.5 | 2~8 |
QLB-10700-12750-60-90-1 | Ku | 10.7~12.75 | 9.75 u 13.7 | 950~1950 u 950~2000 | 60 | 90 | N, SMA, F | 1.35/1.5 | 2~8 |
QLB-10950-11700-60-65 | Ku | 10.95~11.7 | 10 | 950~1700 | 60 | 65 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-10950-12750-60-65 | Ku | 10.95~12.75 | 10 jew 10.75 | 950~1700 jew 950~2000 | 60 | 65 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-10950-12750-60-80 | Ku | 10.95~12.75 | 10 jew 10.5 jew 10.75 jew 11.25 | 940~1500 jew 950~1450 jew 950~1500 | 60 | 80 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-10950-12750-60-80-2 | Ku | 10.95~12.75 | 10 jew 10.75 jew 11.30 | 950~1700 jew 940~1500 jew 950~1450 | 60 | 80 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-10950-12750-60-90 | Ku | 10.95~12.75 | 10 | 950~2750 | 60 | 90 | N, SMA, F | 1.35/1.5 | 2~8 |
QLB-10950-12750-60-90-1 | Ku | 10.95~12.75 | 10 u 13.7 | 950~1700 u 950~2000 | 60 | 90 | N, SMA, F | 1.35/1.5 | 2~8 |
QLB-11450-12750-60-70 | Ku | 11.45~11.7 u 12.25~12.75 | 9 | 2450~2700 u 3250~3750 | 60 | 70 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-11700-12200-60-65 | Ku | 11.7~12.2 | 10.75 | 950~1450 | 60 | 65 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-11700-12200-60-65-2 | Ku | 11.7~12.2 | 10.75 | 950~1450 | 60 | 65 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-11700-12750-60-65 | Ku | 11.7~12.75 | 10.75 | 950~2000 | 60 | 65 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-11700-12750-60-80 | Ku | 11.7~12.75 | 10.75 | 950~2000 | 60 | 80 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-12250-12750-60-65 | Ku | 12.25~12.75 | 11.3 | 950~1450 | 60 | 65 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-12250-12750-60-65-2 | Ku | 12.25~12.75 | 11.3 | 950~1450 | 60 | 65 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-17200-19200-60-150-1 | Ka | 17.2~19.2 | 16.25 u 20.15 | 950~1950 | 60 | 150 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-17200-21200-60-170 | Ka | 17.2~21.2 | 16.25 jew 17.25 jew 18.25 jew 19.25 | 950~1950 | 60 | 170 | N, SMA, F | 1.35/1.5 | 2~8 |
QLB-17200-21200-60-170-1 | Ka | 17.2~21.2 | 16.25 u 17.25 u 21.15 u 22.15 | 950~1950 u 950~1950 | 60 | 170 | N, SMA, F | 1.35/1.5 | 2~8 |
QLB-17200-22200-60-240 | Ka | 17.2~22.2 | 16.25 jew 17.25 jew 18.25 jew 19.25 jew 20.25 | 950~1950 | 60 | 240 | N, SMA, F | 1.5/2.0 | 2~8 |
QLB-17300-20200-60-150 | Ka | 17.3~20.2 | 16.35 jew 17.35 jew 18.35 | 950~1950 jew 950~1850 | 60 | 150 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-17300-20200-60-150-2 | Ka | 17.3~20.2 | 16.35 jew 17.35 jew 18.35 | 950~1950 jew 950~1850 | 60 | 150 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-17300-22300-60-170 | Ka | 17.3~22.3 | 16.35 jew 17.60 jew 18.85 jew 20.10 | 950~2200 | 60 | 170 | N, SMA, F | 1.35/1.5 | 2~8 |
QLB-17300-22300-60-170-1 | Ka | 17.3~22.3 | 16.35/22 jew 17.6/22 jew 16.35/23.25 jew 17.6/23.25 | 950~2200 u 950~2200 | 60 | 170 | N, SMA, F | 1.35/1.5 | 2~8 |
QLB-17700-21200-60-170 | Ka | 17.7~21.2 | 16.75 jew 17.25 jew 18.25 jew 19.25 | 950~1450 jew 950~1950 | 60 | 170 | N, SMA, F | 1.35/1.5 | 2~8 |
QLB-17700-21200-60-170-1 | Ka | 17.7~21.2 | 16.75/21.15 jew 17.75/21.15 jew 16.75/22.15 jew 17.75/22.15 | 950~1950 u 950~1950 | 60 | 170 | N, SMA, F | 1.35/1.5 | 2~8 |
QLB-18200-20200-60-150 | Ka | 18.2~20.2 | 17.25 jew 18.25 | 950~1950 | 60 | 150 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-18200-20200-60-150-1 | Ka | 18.2~20.2 | 17.25 u 18.25 | 950~1950 | 60 | 150 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-18200-21200-60-150 | Ka | 18.2~21.2 | 17.25 jew 18.25 jew 19.25 | 950~1950 | 60 | 150 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-18200-21200-60-150-2 | Ka | 18.2~21.2 | 17.25 jew 18.25 jew 19.25 | 950~1950 | 60 | 150 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-19200-21200-60-150 | Ka | 19.2~21.2 | 18.25 jew 19.25 | 950~1950 | 60 | 150 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-19200-21200-60-150-1 | Ka | 19.2~21.2 | 21.15 u 22.15 | 950~1950 | 60 | 150 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-19600-21200-60-150 | Ka | 19.6~21.2 | 17.4 | 2200~3800 | 60 | 150 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-20200-22200-60-150 | Ka | 20.2~22.2 | 19.25 jew 20.25 | 950~1950 | 60 | 150 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-20200-22200-60-150-1 | Ka | 20.2~22.2 | 19.25 u 23.15 | 950~1950 | 60 | 150 | N, SMA, F | 2.5/2.0 | 2~8 |
LNBs Kontra l-Interferenza 5G | |||||||||
Numru tal-Parti | Banda | Frekwenza RF tad-Dħul (GHz) | Frekwenza LO (GHz) | Frekwenza IF tal-Ħruġ (MHz) | Qligħ (dB) | NT(K) | Konnettur IF | VSWR (Massimu) | Ħin taċ-Ċomb (Ġimgħat) |
QLB-3625-4200-60-50 | C | 3.625~4.2 | - | 950~1525 | 60 | 50 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-3700-4200-60-50 | C | 3.7~4.2 | - | 950~1450 | 60 | 50 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-3700-4200-60-45-2 | C | 3.7~4.2 | - | 950~1450 | 60 | 45 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-3800-4200-60-50 | C | 3.8~4.2 | - | 950~1350 | 60 | 50 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-3800-4200-60-45 | C | 3.8~4.2 | - | 950~1350 | 60 | 45 | N, SMA, F | 2.5/2.0 | 2~8 |