1. Isishwankathelo seMveliso
SA1300CI-amplifier ye-trunk yangaphandle ye-bi-directional yechungechunge yi-amplifier entsha ephuhlisiweyo ye-high-gain. Uyilo lwesekethe oluvuthiweyo nolulungisiweyo, inkqubo yangaphakathi yesayensi nefanelekileyo kunye nezixhobo ezikumgangatho ophezulu, ziqinisekisa ukunyuswa okuzinzileyo kunye nokuphambuka okuphantsi. Yeyona ndlela ilungileyo yokwakha inethiwekhi yothumelo lwe-CATV enkulu okanye ephakathi.
2. Iimpawu zokusebenza
- Indlela eya phambili inyathelo elingaphambili isebenzisa imodyuli entsha yesandisi-sandi esiphantsi esingeniswayo esine-index ephezulu okanye imodyuli ye-push-pull ye-GaAs, inqanaba lokuphuma lisebenzisa i-index ephezulu engeniswayo yamandla kabini.yimodyuli ye-amplifier okanye imodyuli ye-amplifier ye-GaAs. Isalathisi esingelulo ulayini silungile kwaye inqanaba lemveliso lizinzile ngakumbi. Indlela yokubuya isebenzisa imodyuli ye-amplifier entsha ye-high index engenisiweyo yokubuyisela. Ukuphazamiseka kuphantsi kwaye umlinganiselo wesignali kwingxolo uphezulu.
- Kulula ngakumbi ukulungisa iimpazamo ngenxa yesihluzi se-plug-in duplex, i-plug-in fixed (okanye adjustable) equalizer kunye ne-attenuator, kunye neeports zokufumanisa ezikwi-intanethi zesayensi nezifanelekileyo.
- Izixhobo zinokusebenza ixesha elide ngokuqhubekayo phantsi kwemeko embi yokusingqongileyo yangaphandle. Ngenxa yendlu ye-aluminium engangeni manzi, umbane otshintshayo othembekileyo kunye nenkqubo yokukhusela umbane engqongqo.
- Iqokobhe lisebenzisa uyilo olufakelweyo lwemodyuli; ukugcinwa kwezixhobo, ukutshintshwa, kunye nokulungiswa kweempazamo kulula.
3. Isikhokelo soku-odola
Nceda uqinisekise: ukwahlukana kweendlela eziya kwicala elinye ukuya kwelinye kunye nezingaya kwelinye.
4. Iingcebiso ezikhethekileyo:
- Ngaphambi kokusebenzisa imveliso kufuneka kubekho isiseko esithembekileyo!
- Umthamo ophezulu wombane ogqithisileyo wemveliso yi-10A.
| Into | Iyunithi | Iiparameters zobugcisa | ||||||
| Indlela Eya Phambili | ||||||||
| Uluhlu lwefrikhwensi | I-MHz | 47/54/85-862/1003 | ||||||
| Inzuzo elinganisiweyo | dB | 30 | 34 | 36 | 38 | 40 | ||
| Inzuzo epheleleyo encinci | dB | ≥30 | ≥34 | ≥36 | ≥38 | ≥40 | ||
| Inqanaba lokufaka elilinganisiweyo | i-dBμV | 72 | ||||||
| Inqanaba lemveliso elilinganisiweyo | i-dBμV | 108 | ||||||
| Ukutyibilika kwibhendi | dB | ± 0.75 | ||||||
| Ingxolo | dB | ≤10 | ||||||
| Ukulahleka kokubuyisela | dB | ≥16 | ||||||
| Ukunciphisa | dB | 1-18 (Isixhobo esifakelweyo esizinzileyo, isitephu se-1dB) | Ngokweemfuno zomsebenzisi | |||||
| Ukulingana | dB | 1-15 (Isixhobo esifakelweyo esizinzileyo, isitephu se-1dB) | ||||||
| I-C/CTB | dB | 65 | Imeko yovavanyo: Isignali yeziteshi ezingama-79, inqanaba lemveliso: 85MHz/550MHz/860MHz.99dBuV/105dBuV/108 dBuV | |||||
| I-C/CSO | dB | 63 | ||||||
| Ukulibaziseka kweqela | ns | ≤10 (112.25 MHz/116.68 MHz) | ||||||
| Ukuguqulwa kwe-AC hum | % | < 2% | ||||||
| Fumana uzinzo | dB | -1.0 ~ +1.0 | ||||||
| Indlela Yokubuya | ||||||||
| Uluhlu lwefrikhwensi | I-MHz | 5 ~ 30/42/65 | ||||||
| Inzuzo elinganisiweyo | dB | ≥20 | ||||||
| Inzuzo epheleleyo encinci | dB | ≥22 | ||||||
| Inqanaba eliphezulu lemveliso | i-dBμV | ≥ 110 | ||||||
| Ukutyibilika kwibhendi | dB | ± 0.75 | ||||||
| Ingxolo | dB | ≤ 12 | ||||||
| Ukulahleka kokubuyisela | dB | ≥ 16 | ||||||
| Umlinganiselo we-inter-modulation phakathi kwenkampani kunye ne-oda yesibini | dB | ≥ 52 | Imeko yoVavanyo: Inqanaba lokukhupha i-110dBuV, amanqaku ovavanyo: F1=10MHz,f2=60MHz,f3=f2-f1=50MHz | |||||
| Ukulibaziseka kweqela | ns | ≤ 20 (57MHz/59MHz) | ||||||
| Ukuguqulwa kwe-AC hum | % | < 2% | ||||||
| Ukusebenza ngokubanzi | ||||||||
| Ukuphazamiseka kwempawu | Ω | 75 | ||||||
| Izibuko lokuvavanya | dB | -20±1 | ||||||
| Umbane wombane | V | A:AC (135 ~ 250) V;B:AC (45 ~ 90) V | ||||||
| I-voltage yokumelana ne-impulse yi-(10/700μs) | kV | > 5 | ||||||
| Ukutya umbane | W | 29 | ||||||
| Ubukhulu | mm | 295 (L) × 210 (W) × 150 (H) | ||||||
| Umzobo woLwakhiwo lwe-SA1300C | |||||
| 1 | I-ATT inserter esisigxina 1 | 2 | I-Forward fixed EQ inserter 1 | 3 | Isalathisi samandla |
| 4 | I-Forward fixed EQ inserter 2 | 5 | I-ATT inserter 2 esisigxina ngaphambili | 6 | I-Forward fixed EQ inserter 3 |
| 7 | I-ATT inserter 3 esisigxina ngaphambili | 8 | I-Auto fuse 1 | 9 | Izibuko lovavanyo eli-1 lokukhupha phambili (-20dB) |
| 10 | Izibuko lokukhupha i-RF 1 | 11 | Izibuko lovavanyo lokufaka elibuyela umva 1 (-20dB) | 12 | Izibuko lemveliso ye-RF 2 |
| 13 | Izibuko lovavanyo lwe-Forward output 2 (-20dB) | 14 | I-Auto fuse 3 | 15 | Izibuko lokutya umbane le-AC60V |
| 16 | Izibuko lamandla | 17 | Izibuko lokufaka i-RF | 18 | Izibuko lovavanyo lokufaka phambili (-20dB) |
| 19 | Izibuko lovavanyo lokukhupha elibuyela umva (-20dB) | 20 | I-EQ inserter esisigxina 1 ebuyela umva | 21 | I-ATT inserter 3 esisigxina ngasemva |
| 22 | Isihluzi sokudlula esiphantsi | 23 | I-ATT inserter 1 esisigxina engasemva | 24 | I-ATT inserter 2 esisigxina engasemva |
| 25 | Izibuko lovavanyo lokufaka elibuyela umva 2 (-20dB) | 26 | I-Auto fuse 2 |
| |
I-SA1300C High Gain Outdoor CATV I-Bi-directional Trunk Amplifier Datasheet.pdf