1550nm Mpụga ngwa anya
Usoro ihe nfefe n'ime ime-modulated a na-eme ntụgharị mgbama RF-na-optical na njikọ nnyefe 1550nm.
Ọkọlọtọ 1U 19 'nwere ihe ngosi kristal mmiri (LCD / VFD) n'ihu panel;
bandwit ugboro ugboro: 47-750 / 862MHz;
Ike mmepụta sitere na 4 ruo 24mw;
Advanced pre-distortion mgbazi sekit;
AGC/MGC;
Njikwa ike akpaaka (APC) na njikwa okpomọkụ akpaaka (ATC).
Njirimara A na-ebubata ma modulator mpụga na laser site na United States ma ọ bụ Japan.
Sekit tupu mgbagha zuru oke na-eme ka CTB na CSO kacha mma mgbe CNR nọ na ọkwa dị elu.
SBS zuru oke na-egbochi sekit na SBS na-agbanwe agbanwe na 13,16, 18 ， dabara maka ụdị net CATV dị iche iche.
njikwa AGC.
Ike okpukpu abụọ nke ime nke enwere ike ịgbanwe na-akpaghị aka.
Njikwa okpomọkụ shei na-akpaghị aka.
Akụrụngwa microprocessor dị n'ime nwere ọrụ nke nlekota laser, ngosipụta paramita, ịdọ aka ná ntị mmejọ, njikwa netwọk na ihe ndị ọzọ.Ozugbo paramita na-arụ ọrụ nke laser na-apụ na uru bara uru nke ngwanrọ ahụ, igwe ga-adọ aka ná ntị.
Onye na-ebugharị na-enye RJ45 na RS232 ọkọlọtọ interface maka ijikọ kọmputa na nlekota oru.
Usoro Parameter
Ihe Nkeji Usoro Usoro Ike ngwa anya mmepụta dBm 3 4 5 6 7 8 9 10 Ogologo ogologo anya nm 1550± 10 ma ọ bụ ITU wavelength Ụdị Laser DFB Laser Ụdị Modulating ngwa anya Modulation ngwa anya ozugbo Ụdị njikọ ngwa anya FC/APC ma ọ bụ SC/APC Oke ugboro ugboro MHz 47-862 Ọkwa ntinye dBμV 72-88 Flatness na Band dB ± 0,75 Ntinye Ntinye Ω 75 Mfu nloghachi ntinye dB ≥ 16(47~550)MHz;≥ 14(550~750/862MHz) C/CTB dB ≥ 65 C/CSO dB ≥ 60 C/N dB ≥ 51 Oke akara AGC dB ±8 Oke ejiri MGC dB 0 ~ 10 Voltaji na-eweta V AC 160V ~ 250V(50 Hz) Oriri ike W 30 Okpomọkụ na-arụ ọrụ ℃ 0 ~+45 Okpomọkụ nchekwa ℃ -20 ~ + 65 Iru mmiri dị n'etiti % Kachasị 95% Enweghị condensation Akụkụ mm 483(L)X 380(W)X 44(H)
Ngwa netwọkụ FTTH CATV netwọk
