1550nm External Optical Transmitter
Ma transmitter osinthika amkati awa amatembenuza ma RF-to-optical signal mu 1550nm transmission link.
1U 19' muyezo mlandu ndi madzi galasi anasonyeza (LCD/VFD) kutsogolo gulu;
pafupipafupi bandwidth: 47-750 / 862MHz;
Mphamvu yotulutsa kuchokera ku 4 mpaka 24mw;
MwaukadauloZida chisanadze kusokoneza kuwongolera dera;
AGC/MGC;
Automatic power control (APC) ndi Automatic temperature control (ATC) circuit.
Mbali Ma modulator akunja ndi laser amatumizidwa kuchokera ku United States kapena Japan.
Dera langwiro losasokoneza limatsimikizira CTB yabwino kwambiri ndi CSO pamene CNR ili pamwamba.
Wangwiro SBS kupondereza dera ndi chosinthika SBS mu 13,16, 18, oyenera mitundu yosiyanasiyana ya CATV ukonde.
Kuwongolera kwa AGC.
Mphamvu yamkati iwiri yomwe ingasinthidwe yokha.
Kuwongolera kutentha kwachipolopolo.
Internal microprocessor software ili ndi ntchito ya laser monitoring, parameter display, chenjezo lolakwa, kasamalidwe ka ukonde ndi zina zotero.Pamene gawo logwira ntchito la laser likutuluka pamtengo wokhazikika wa pulogalamuyo, makinawo adzachenjeza.
Transmitter imapereka mawonekedwe a RJ45 ndi RS232 olumikizira makompyuta ndikuwunika.
Technique Parameter
Zinthu Chigawo Technique Parameters Linanena bungwe Optical Mphamvu dBm 3 4 5 6 7 8 9 10 Wavelength ya Optical nm 1550±10 kapena ITU wavelength Mtundu wa Laser DFB Laser Optical Modulating Mode Mwachindunji Optical Intension Modulation Mtundu wa Cholumikizira cha Optical FC/APC kapena SC/APC Nthawi zambiri MHz 47-862 Mulingo Wolowetsa dBμV 72-88 Flatness mu Band dB ± 0.75 Kulowetsa Impedans Ω 75 Kubweza Kutayika dB ≥ 16(47~550)MHz;≥ 14(550~750/862MHz) C/CTB dB ≥ 65 CSO dB ≥ 60 C/N dB ≥ 51 AGC Controlled Range dB ±8 MGC Controlled Range dB 0-10 Supply Voltage V AC 160V~250V(50Hz) Kugwiritsa Ntchito Mphamvu W 30 Kutentha kwa Ntchito ℃ 0 ~ + 45 Kutentha Kosungirako ℃ -20 ~ + 65 Chinyezi Chachibale % Max 95% Palibe Condensation Dimension mm 483(L)X 380(W)X 44(H)
Kugwiritsa ntchito FTTH network CATV network
