1. Nchịkọta ngwaahịa
SR812S bụ ihe nnata ngwa anya netwọọdụ CATV zuru ụwa ọnụ nwere transponder njikwa netwọkụ. The pre-amp nakweere ihe niile-GaAs MMIC na-amụbawanye na post-amp na-anabata GaAs ike okpukpu abụọ. Nhazi sekit kachasị mma, yana ahụmịhe imewe RF nke afọ anyị, akụrụngwa na-enweta ndeksi arụmọrụ dị elu. Ọ bụ ezigbo ihe nlereanya maka netwọk CATV.
2. Njirimara
- Nzaghachi dị elu PIN fotoelectric tube ntụgharị, imewe bandwidth 1G.
- Attenuation na equalization nwere ike na-aga n'ihu gbanwetụrụ ụdị knobma ọ bụ tinye ụdị.(Nhọrọ)
- Mmepụta ike doubler, uru dị elu na mgbagha dị ala.
- Njikwa AGC ngwa anya, mgbe oke ike ntinye anya bụ -7 ~ 2dBm, ọkwa mmepụta agbanwebeghị.
- transponder netwọk nhọrọ, na-akwado usoro njikwa netwọkụ NMS.
| Ihe | Nkeji | M Ụdị | Ụdị II | Ụdị III | Ⅳ Ụdị |
| Ngwa anya | |||||
| Ngwa anya AGC nso | dBm | -7 ~ +2 | |||
| Mfu nloghachi anya | dB | >45 | |||
| Ogologo Ogologo anya na-anata | nm | 1100 ~ 1600 | |||
| Ụdị njikọ ngwa anya | FC/APC, SC/APC ma ọ bụ onye ọrụ akọwapụtara | ||||
| Ụdị eriri | Otu ọnọdụ | ||||
| Paramita RF | |||||
| Oke ugboro ugboro | MHz | 45-862/1003 | |||
| Flatness na Band | dB | ± 0,75 | |||
| Mweta nloghachi | dB | ≥14 | |||
| Enyere ọkwa ọkwa | dBμV | ≥102 | ≥102 | ≥104 | ≥108 |
| Ọkwa mmepụta kacha | dBμV | ≥102 | ≥102 | ≥104 | ≥118 |
| EQ | dB | 0~15 nwere ike idozi | Ihe ntinye EQ edobere | ||
| ATT | dB | 0~15 nwere ike idozi | Ihe ntinye ATT edobere | ||
| C/N | dB | ≥ 51 | 84 ọwa PAL-D mgbaàmà analog-2dBm na-anata ike anyaọkwa mmepụta ọkwa, 8dBequalization | ||
| C/CTB | dB | ≥ 65 | |||
| C/CSO | dB | ≥ 60 | |||
| Njirimara izugbe | |||||
| Voltaji ike | V | AC (110 ~ 240) ma ọ bụ AC (35 ~ 90) V | |||
| Mmebi nke mmepụta | Ω | 75 | |||
| Ọnọdụ okpomọkụ na-arụ ọrụ | ℃ | -40-60 | |||
| Oriri ike | VA | ≤ 15 | |||
| Akụkụ | mm | 185 (L) ╳ 140 (W)╳ 91 (H) | |||
| SR812S onye nnata ngwa anya |
| 1. Ntinye eriri anya |
| 2. Optical FiberFlange |
| 3. EQ na-agbanwe agbanwe |
| 4. ATT na-agbanwe agbanwe |
| 5. -20dB RF Test Port |
| 6. Mmepụta Mgbata ma ọ bụ Splitter |
| 7. Mmepụta RF 1 |
| 8. Mmepụta RF 2 |
| 9. Ntinye ikike ngafe 1 |
| 10. Ntinye ikike ngafe 2 |
| 11. Main Board Power Interface |
| 12. Ihe ngosi ike |
| 13. Ngosipụta ike anya |
| 14. AC60V na AC220V ntụgharịintinye |
| 15. Ntinye ike AC60V |
| 16. Data interface |
SR812S CATV Network RF Optical nnata ya na AGC Datasheet.pdf