Feartan:
- Còmhlan Leathann
- Teòthachd Fuaim Ìosal
- Cur a-steach ìosal VSWR
Ann an siostaman conaltraidh, gus sgaoileadh chomharran a dhèanamh comasach agus ath-chleachdadh seanail a choileanadh, tha tricead comharran tar-chuir glè àrd, agus mar sin tha tionndadh tricead chomharran na phàirt chudromach de sgrùdadh siostam conaltraidh. A rèir an t-suidheachaidh ro agus às deidh tionndadh tricead, faodar a roinn ann an tionndadh sìos (lughdachadh tricead) agus tionndadh suas (àrdachadh tricead).
Anns a ’ghlacadair, ma tha an comharra tricead eadar-mheadhanach a gheibhear às deidh measgachadh nas ìsle na a’ chomharra tùsail, is e bloc downconverters (LNBn) a chanar ris an dòigh measgachaidh seo.
Is e an dòigh air luchd-tionndaidh bloca an comharra a gheibhear iomadachadh leis a’ chomharra oscillator ionadail a ghineadh an oscillator ionadail, agus an uairsin an comharra tionndaidh fhaighinn tro shìoltachan pas ìosal. Faodar dà chomharran ioma-fhillte a roinn ann am fìor mheasgachadh agus measgachadh iom-fhillte tro riochdachadh fìor no iom-fhillte.
Is e adhbhar luchd-tionndaidh bloc sìos tricead giùlain a’ chomharra a lughdachadh no tricead giùlain a thoirt air falbh gu dìreach gus an comharra baseband fhaighinn. Air sgàth a chuairteachadh sìmplidh agus cosgais ìosal, tha an dòigh tionndaidh sìos air a chleachdadh gu farsaing ann an uidheamachd sìobhalta agus uidheamachd armachd le riatanasan coileanaidh ìosal.
1. Tbh saideal: Tha LNBan nam prìomh phàirtean ann an siostaman fàilteachaidh Tbh saideal. Tha iad air an cur a-steach aig cridhe antenna saideal (paraboloid no mias), a ’faighinn an comharra Tbh a chuir an saideal air adhart, agus ga thionndadh gu bhith na chomharra tricead eadar-mheadhanach a dh’ fhaodas a ’ghlacadair a phròiseasadh.
2. Eadar-lìon saideal: Ann an siostaman eadar-lìn saideal, bithear a' cleachdadh LNBan gus dàta eadar-lìn fhaighinn bho shaidealan. Bidh an uidheamachd neach-cleachdaidh a’ faighinn an dàta tron LNB agus ga dhì-chòdachadh agus ga phròiseasadh tron mhodem.
3. Conaltradh saideal: Bithear a’ cleachdadh LNBan gu farsaing ann an diofar shiostaman conaltraidh saideal, a’ gabhail a-steach fònaichean saideal, saideil craolaidhean, saideil sgaoileadh dàta, msaa.
4. Amharc na Talmhainn agus Mothachadh Iomallach: Ann an cuid de thagraidhean amharc na Talmhainn agus mothachaidh air astar, thathas a’ cleachdadh LNBn gus dàta mothachaidh air astar fhaighinn bho shaidealan. Faodar an dàta seo a chleachdadh ann an sgrùdadh meteorological, sgrùdadh àrainneachd, rabhadh mòr-thubaist agus raointean eile.
Ann an geàrr-chunntas, tha àite deatamach aig LNBn ann an siostaman conaltraidh saideal an latha an-diugh agus tha iad air an cleachdadh gu farsaing ann an craoladh telebhisean, ruigsinneachd eadar-lìn, conaltradh dàta agus diofar raointean proifeasanta.
Qualtona’ toirt seachad diofar sheòrsaichean de Block Downconverters (LNBn) anns an S~Ka-Band, le teòthachd fuaim 45 ~ 240K. Na crìochnachaidhean le diofar sheòrsan gus coinneachadh ri feumalachdan luchd-ceannach.
LNBs | |||||||||
---|---|---|---|---|---|---|---|---|---|
Pàirt Àireamh | Còmhlan | Tricead cuir a-steach RF (GHz) | Tricead LO (GHz) | Toradh IF Tricead (MHz) | buannachadh (dB) | NT(K) | Ceangalaiche IF | VSWR (Air a char as àirde) | Ùine stiùiridh (seachdainean) |
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 no 5.75 | 950 ~ 1750 no 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 no 10.6 | 950-1950 no 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 no 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 no 10.25 no 10.75 no 11.30 | 940-1500 no 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 no 10.75 no 11.30 | 950 ~ 1950 no 940 ~ 1500 no 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 agus 13.7 | 950 ~ 1950 agus 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 no 10.75 | 950 ~ 1700 no 950 ~ 2000 | 60 | 65 | N, SMA, F | 2.5/2.0 | 2~8 |
QLB-10950-12750-60-80 | Ku | 10.95~12.75 | 10 no 10.5 no 10.75 no 11.25 | 940 ~ 1500 no 950 ~ 1450 no 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 no 10.75 no 11.30 | 950 ~ 1700 no 940 ~ 1500 no 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 agus 13.7 | 950 ~ 1700 agus 950 ~ 2000 | 60 | 90 | N, SMA, F | 1.35/1.5 | 2~8 |
QLB-11450-12750-60-70 | Ku | 11.45~11.7 agus 12.25~12.75 | 9 | 2450~2700 agus 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 agus 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 no 17.25 no 18.25 no 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 agus 17.25 agus 21.15 agus 22.15 | 950-1950 agus 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 no 17.25 no 18.25 no 19.25 no 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 no 17.35 no 18.35 | 950-1950 no 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 no 17.35 no 18.35 | 950-1950 no 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 no 17.60 no 18.85 no 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 no 17.6/22 no 16.35/23.25 no 17.6/23.25 | 950-2200 agus 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 no 17.25 no 18.25 no 19.25 | 950-1450 no 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 no 17.75/21.15 no 16.75/22.15 no 17.75/22.15 | 950-1950 agus 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 no 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 agus 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 no 18.25 no 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 no 18.25 no 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 no 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 agus 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 no 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 agus 23.15 | 950 ~ 1950 | 60 | 150 | N, SMA, F | 2.5/2.0 | 2~8 |
LNBan eadar-theachd an-aghaidh 5G | |||||||||
Pàirt Àireamh | Còmhlan | Tricead cuir a-steach RF (GHz) | Tricead LO (GHz) | Toradh IF Tricead (MHz) | buannachadh (dB) | NT(K) | Ceangalaiche IF | VSWR (Air a char as àirde) | Ùine stiùiridh (seachdainean) |
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 |