Optical Transmitter

Features: 1) High quality, high linearity DFB laser 2) Advanced pre-distortion function 3) 1U, 19 inch standard chassis, 220VAC, 50Hz switching power supply or others. 4) 750 or 862 MHz bandwidth, supporting most broadband transport applications. 5) Unique thermal design provides superior heat dissipation, increasing the reliability of your system. 6) Automatic gain control helps maintain constant RF drive level to laser for consistent performance. 7) An interface LCD display allows you to monitor the transmitters performance. In addition, RS232 helps you monitor your transmitter performance in a long-distance Specifications Item Unit Specification Bandwidth MHz 47-750 or 860 Optical Wavelength nm 1310 (í+ 20) Optical Output Power (í+ 0.25 dB) (4~20mW) all series Safety Power Shutdown Yes Input RF Power, Main (í+ 0.1 dB) dBµV 72.0(+3/-2) Isolation, Auxiliary to Main Input dBc -32 AGC Input Range dB í+ 3 Response Flatness (maximum) dB í+ 0.75 Response Slope dB 0 to 0.75 Input Impedance ª+ 75 Input Return Loss dB >14 RF Test Point (í+ 1.0 dB) dB -20 Carrier-to-Noise Ratio (CNR) dB >51.0 Composite Second Order (CSO) dBc í_60 Composite Triple Beat (CTB) dBc í_65 Powering V AC220í+10% Power Consumption (maximum) W 40 Mechanical Specifications Optical Connector FC/APC, or SC/APC RF Connector F-Type Dimensions (height í- width í- depth) cm 4.3í-48.5í-30.0 Environmental Specifications Ambient Temperature -25+65 Operating Temperature Range 0-50 Notes: Optical link budget that provides a C/N of 51 dB when loaded with 59 PAL-D channels over a 10km single fiber. Composite Triple Beat (CTB) is 65dBc typical (all models) Composite Second Order (CSO) is -60dBc typical (all models) Specifications are subject to change without notice. 6KG

1550nm direct modulation optical transmitter with high index and agc function. It adopts high linearity and low chirp dfb laser, max. Output level comes to 10db. Built-in pre-distortion compensation and agc, apc, atc closed loop control, which improves the system index obviously. It can be used in fttx (â?¤10km) of second-grade service area (sub-headend), also can be used in wdm narrow-band multiplexing and ip/qam. Feastures: 1> low chirp, high linearity dfb laser, chirp compensation. 2> advanced front panel with digital display function 3> agc fiber/ rf in, fiber out. 4> dual module rf driver , high efficient laser pre-distortion adjustment. 5> full-automatic omi control, agc & mgc. 6> intuitionistic modulation status display. 7> built-in dual back-up power supply, switch automatically . 8> casing temperature auto-control, ensure the long life of the laser

1310nm optical transmitter, with front panel digital display showing input level, which adopts high linearity dfb laser of famous brand in the world, and builds-in perfect pre-distortion adjustment circuit and laser apc, atc closed loop control circuit. All the operating parameters are controlled by microprocessor, and the lcd screen on the front panel can display relative operating status and the fault information. Cmot-1310 series is designed and produced by absorbing the advantages of all kinds of 1310nm transmitter from both home and abroad. Featured with high index, multi-function and high reliability, it is suitable for high-end subscribers application 1> adopt word-famous company (ortel, aoi selected by user) advanced dfb laser instrument; max output optical power reach 31mw in ortel laser. Our specialized 2 dfb design max. Output level comes to 31+31mw. Coaxial laser max. 10+10+10+10mw (4*10mw) 2>best looking and convenient design of the front panel digital display. 3> advanced fiber in/ rf in, fiber out function, transit longer distance. 4> add advanced rf pre-distortion circuit, to use as proofreading catv system most important ctb and cso index, and to improve c/n index. 5>use our own gaas( imported mmic) hybrid, assure good output level. 6>built-in perfect power output automatic control circuit and laser thermoelectricity refrigeratory temperature automatic control circuit, insures highest output index and longest life. 7>built-in microprocessor automatic control circuit makes dfb laser always in best work state. 8>front panel blue vfd display, shows various main work status parameters and realizes automatic fault alarm and network management monitor.

Working temperature: -40¡æ~+75¡æ Trasmission range: 20/40/60/80/100km(sm) 2km(mm) Application: military, oil and gas, mines, security, broadcasting, tactical field lan.

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