Aýratynlyklar:
- Giň zolak
- Pes ses temperaturasy
- Pes girişli VSWR
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Aragatnaşyk ulgamlarynda signallaryň geçirilmegini ýeňilleşdirmek we kanallaryň gaýtadan ulanylmagyny üpjün etmek üçin geçirilýän signallaryň ýygylygy örän ýokary bolýar, şonuň üçin signallaryň ýygylyk konwersiýasy aragatnaşyk ulgamyny öwrenmekde möhüm tarap bolup durýar. Çaltlyk konwersiýasyndan öňki we soňky ýagdaýa görä, ony aşak konwersiýa (çaltlygy azaltmak) we ýokary konwersiýa (çaltlygy ýokarlandyrmak) bölmek bolýar.
Resiwerde, garyşdyrylandan soň alnan aralyk ýygylyk signaly asyl signaldan pes bolsa, onda bu garyşdyrma usulyna blok aşaky konwertorlar (LNB) diýilýär.
Blok aşak öwürijileriniň usuly, kabul edilen signaly ýerli ossilýator tarapyndan döredilen ýerli ossilýator signaly bilen köpeltmekden we soňra öwrülen signaly pes geçirijilikli süzgüç arkaly almakdan ybaratdyr. Iki köpeldilen signaly hakyky garyşdyrma we hakyky ýa-da çylşyrymly görkeziliş arkaly çylşyrymly garyşdyrma bölmek bolýar.
Blok aşaky konwertorlaryň maksady signalyň daşaýjy ýygylygyny azaltmak ýa-da esasy zolak signalyny almak üçin daşaýjy ýygylygyny gönüden-göni aýyrmakdyr. Sada zynjyry we arzanlygy sebäpli aşaky konwertasiýa usuly pes öndürijilik talaplary bolan raýat enjamlarynda we harby enjamlarda giňden ulanylýar.
1. Hemra telewideniýesi: LNB-ler hemra telewideniýesini kabul ediş ulgamlarynyň esasy bölekleridir. Olar hemra antennasynyň (paraboloid ýa-da tarelka) merkez nokadynda gurnalýar, hemra tarapyndan iberilýän telewizor signalyny kabul edýär we ony kabul ediji tarapyndan işlenip bilinýän aralyk ýygylyk signalyna öwürýär.
2. Hemra Interneti: Hemra Internet ulgamlarynda güýçlendirijiler hemralardan geçirilýän internet maglumatlaryny kabul etmek üçin ulanylýar. Ulanyjy enjamlary maglumatlary LNB arkaly kabul edýär we ony modem arkaly dekodlaýar we işläp çykarýar.
3. Hemra Aragatnaşyklary: RF güýçlendirijileri dürli hemra aragatnaşyk ulgamlarynda, şol sanda hemra telefonlarynda, hemra ýaýlymlarynda, hemra maglumatlaryny ibermekde we ş.m. giňden ulanylýar. Olar hemralardan geçirilýän dürli aragatnaşyk signallaryny kabul etmäge we gaýtadan işlemäge kömek edýär.
4. Ýeri gözegçilik etmek we uzakdan zondlamak: Ýeri gözegçilik etmek we uzakdan zondlamak üçin käbir ulanylyşlarda, hemralardan geçirilýän uzakdan zondlamak maglumatlaryny kabul etmek üçin mikrotolkun güýçlendirijileri ulanylýar. Bu maglumatlar meteorologiýa gözegçiliginde, daşky gurşawyň gözegçiliginde, betbagtçylyklar barada duýduryşda we beýleki ugurlarda ulanylyp bilner.
Gysgaça aýdylanda, LNB-ler häzirki zaman hemra aragatnaşyk ulgamlarynda möhüm rol oýnaýar we telewideniýe ýaýlymlarynda, internete elýeterlilikde, maglumat aragatnaşyklarynda we dürli hünär ulgamlarynda giňden ulanylýar.
QualwaveS~Ka-Band-da dürli görnüşli blok aşak öwürijilerini (LNB) üpjün edýär, olaryň ses temperaturasy 45 ~ 240K. Müşderileriň isleglerini kanagatlandyrmak üçin dürli görnüşli terminallar.

| LNB-ler | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Bölek belgisi | Orkestr | Giriş RF ýygylygy (GHz) | LO ýygylygy (GHz) | Çykyş IF ýygylygy (MHz) | Güýçlendirme (dB) | NT(K) | IF birleşdirijisi | VSWR (Maks.) | Eltip bermek wagty (hepdeler) |
| 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 ýa-da 5.75 | 950~1750 ýa-da 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 ýa-da 10.6 | 950~1950 ýa-da 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 ýa-da 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 ýa-da 10.25 ýa-da 10.75 ýa-da 11.30 | 940~1500 ýa-da 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 ýa-da 10.75 ýa-da 11.30 | 950~1950 ýa-da 940~1500 ýa-da 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 we 13.7 | 950~1950 we 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 ýa-da 10.75 | 950~1700 ýa-da 950~2000 | 60 | 65 | N, SMA, F | 2.5/2.0 | 2~8 |
| QLB-10950-12750-60-80 | Ku | 10.95~12.75 | 10 ýa-da 10.5 ýa-da 10.75 ýa-da 11.25 | 940~1500 ýa-da 950~1450 ýa-da 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 ýa-da 10.75 ýa-da 11.30 | 950~1700 ýa-da 940~1500 ýa-da 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 we 13.7 | 950~1700 we 950~2000 | 60 | 90 | N, SMA, F | 1.35/1.5 | 2~8 |
| QLB-11450-12750-60-70 | Ku | 11.45~11.7 we 12.25~12.75 | 9 | 2450~2700 we 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 we 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 ýa-da 17.25 ýa-da 18.25 ýa-da 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 we 17.25, şeýle hem 21.15 we 22.15 | 950~1950 we 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 ýa-da 17.25 ýa-da 18.25 ýa-da 19.25 ýa-da 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 ýa-da 17.35 ýa-da 18.35 | 950~1950 ýa-da 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 ýa-da 17.35 ýa-da 18.35 | 950~1950 ýa-da 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 ýa-da 17.60 ýa-da 18.85 ýa-da 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 ýa-da 17.6/22 ýa-da 16.35/23.25 ýa-da 17.6/23.25 | 950~2200 we 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 ýa-da 17.25 ýa-da 18.25 ýa-da 19.25 | 950~1450 ýa-da 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 ýa-da 17.75/21.15 ýa-da 16.75/22.15 ýa-da 17.75/22.15 | 950~1950 we 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 ýa-da 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 we 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 ýa-da 18.25 ýa-da 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 ýa-da 18.25 ýa-da 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 ýa-da 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 we 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 ýa-da 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 we 23.15 | 950~1950 | 60 | 150 | N, SMA, F | 2.5/2.0 | 2~8 |
| 5G päsgelçiligine garşy LNB-ler | |||||||||
| Bölek belgisi | Orkestr | Giriş RF ýygylygy (GHz) | LO ýygylygy (GHz) | Çykyş IF ýygylygy (MHz) | Güýçlendirme (dB) | NT(K) | IF birleşdirijisi | VSWR (Maks.) | Eltip bermek wagty (hepdeler) |
| 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 |