Fitur:
- Pita Lebar
- Suhu Noise Leutik
- VSWR Input Leutik
+86-28-6115-4929
sales@qualwave.com
Dina sistem komunikasi, pikeun ngagampangkeun transmisi sinyal sareng ngahontal panggunaan deui saluran, frékuénsi sinyal anu dikirimkeun luhur pisan, janten konvérsi frékuénsi sinyal mangrupikeun aspék penting dina panalungtikan sistem komunikasi. Numutkeun kaayaan sateuacan sareng saatos konvérsi frékuénsi, éta tiasa dibagi kana konvérsi ka handap (pangurangan frékuénsi) sareng konvérsi ka luhur (paningkatan frékuénsi).
Dina panarima, upami sinyal frékuénsi antara anu diala saatos nyampur langkung handap tibatan sinyal aslina, maka metode nyampur ieu disebut block downconverters (LNB).
Métode block downconverter nyaéta ku cara ngalikeun sinyal anu ditampi ku sinyal osilator lokal anu dihasilkeun ku osilator lokal, teras kéngingkeun sinyal anu dikonvérsi ngalangkungan filter low-pass. Dua sinyal anu dikalikeun tiasa dibagi kana pencampuran nyata sareng pencampuran kompléks ngalangkungan répréséntasi nyata atanapi kompléks.
Tujuan tina block downconverter nyaéta pikeun ngirangan frékuénsi pamawa sinyal atanapi langsung miceun frékuénsi pamawa pikeun kéngingkeun sinyal baseband. Kusabab sirkuitna anu saderhana sareng biaya anu murah, metode down conversion seueur dianggo dina peralatan sipil sareng peralatan militer kalayan sarat kinerja anu handap.
1. TV Satelit: LNB mangrupikeun komponén konci dina sistem panarimaan TV satelit. LNB dipasang dina titik fokus anteneu satelit (paraboloid atanapi parabola), nampi sinyal TV anu dikirimkeun ku satelit, sareng ngarobihna janten sinyal frékuénsi panengah anu tiasa diolah ku panarima.
2. Internét Satelit: Dina sistem Internét satelit, amplifier dianggo pikeun nampi data Internét anu dikirimkeun ti satelit. Peralatan pangguna nampi data ngalangkungan LNB sareng ngadekodekeun sareng ngolahna ngalangkungan modem.
3. Komunikasi Satelit: Amplifier RF loba dipaké dina rupa-rupa sistem komunikasi satelit, kaasup telepon satelit, siaran satelit, transmisi data satelit, jsb. Éta ngabantosan nampi sareng ngolah rupa-rupa jinis sinyal komunikasi anu dikirimkeun ti satelit.
4. Observasi Bumi sareng Panginderaan Jauh: Dina sababaraha aplikasi observasi Bumi sareng panginderaan jauh, amplifier gelombang mikro dianggo pikeun nampi data panginderaan jauh anu dikirimkeun ti satelit. Data ieu tiasa dianggo dina pemantauan météorologi, pemantauan lingkungan, peringatan bencana sareng widang sanésna.
Singkatna, LNB maénkeun peran penting dina sistem komunikasi satelit modéren sareng seueur dianggo dina siaran televisi, aksés Internét, komunikasi data sareng rupa-rupa widang profésional.
Qualwavenyediakeun rupa-rupa jinis Block Downconverter (LNB) dina S~Ka-Band, kalayan suhu noise 45~240K. Terminasi kalayan jinis anu béda-béda pikeun minuhan kabutuhan konsumén.

| LNB | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Nomer Bagian | Band | Frékuénsi RF Input (GHz) | Frékuénsi LO (GHz) | Frékuénsi IF Kaluaran (MHz) | Gain (dB) | NT(K) | Konektor IF | VSWR (Maks.) | Waktos Pangiriman (Minggu) |
| 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 atanapi 5.75 | 950~1750 atanapi 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 atanapi 10.6 | 950~1950 atanapi 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 atanapi 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 atawa 10.25 atawa 10.75 atawa 11.30 | 940~1500 atanapi 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 atanapi 10.75 atanapi 11.30 | 950~1950 atanapi 940~1500 atanapi 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 sareng 13,7 | 950~1950 sareng 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 atanapi 10.75 | 950~1700 atanapi 950~2000 | 60 | 65 | N, SMA, F | 2.5/2.0 | 2~8 |
| QLB-10950-12750-60-80 | Ku | 10.95~12.75 | 10 atanapi 10.5 atanapi 10.75 atanapi 11.25 | 940~1500 atanapi 950~1450 atanapi 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 atanapi 10.75 atanapi 11.30 | 950~1700 atanapi 940~1500 atanapi 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 sareng 13.7 | 950~1700 sareng 950~2000 | 60 | 90 | N, SMA, F | 1.35/1.5 | 2~8 |
| QLB-11450-12750-60-70 | Ku | 11.45~11.7 sareng 12.25~12.75 | 9 | 2450~2700 sareng 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 sareng 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 atawa 17.25 atawa 18.25 atawa 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 sareng 17.25 sareng 21.15 sareng 22.15 | 950~1950 sareng 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 atawa 17.25 atawa 18.25 atawa 19.25 atawa 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 atanapi 17.35 atanapi 18.35 | 950~1950 atanapi 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 atanapi 17.35 atanapi 18.35 | 950~1950 atanapi 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 atawa 17.60 atawa 18.85 atawa 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 atawa 17.6/22 atawa 16.35/23.25 atawa 17.6/23.25 | 950~2200 sareng 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 atawa 17.25 atawa 18.25 atawa 19.25 | 950~1450 atanapi 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 atawa 17.75/21.15 atawa 16.75/22.15 atawa 17.75/22.15 | 950~1950 sareng 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 atanapi 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 sareng 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 atanapi 18.25 atanapi 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 atanapi 18.25 atanapi 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 atanapi 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 sareng 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 atanapi 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 sareng 23.15 | 950~1950 | 60 | 150 | N, SMA, F | 2.5/2.0 | 2~8 |
| LNB Anti Gangguan 5G | |||||||||
| Nomer Bagian | Band | Frékuénsi RF Input (GHz) | Frékuénsi LO (GHz) | Frékuénsi IF Kaluaran (MHz) | Gain (dB) | NT(K) | Konektor IF | VSWR (Maks.) | Waktos Pangiriman (Minggu) |
| 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 |