12.5Gb/s 1550nm光發(fā)射機(jī) 單模輸出 機(jī)架式 The LT-1550 series is a high performance electrical to optical converter designed for applications requiring wide-bａnd digital modulation or high bit-rate data transmission. LT-1550 series transmitters utilize a narrow linewidth 1550nm wavelength DFB laser and a broadbａnd optical modulator to provide pure and efficient modulation. These products are ideal for DWDM or TDM digital data transmission up to 12.5Gb/s. It can also be a excellent product for electro-optic component characterization, DWDM networks, TDM link, laboratory test and measurement. The transmission distance can be extended up to 500km with Dispersion Compensation and EDFA. LT-1550 series can be ordered with two versions of modulation bandwidth: 5Gb/s and 12.5Gb/s. Its DFB laser operating wavelength can also be custom ordered with any ITU DWDM grid within C-Band, at 50/100GHz channel spacing. The housing choice include a 19" rack mount and bench top model. All LT-1550 series products come with a standard 3 year limited warranty. Features: - Linewidth of DFB laser < 1MHz - Lithium-Niobate modulator with bandwidth > 12GHz - High gain RF driver module enable low input level - Automatic Bias Control Circuit for stable operation - Excellent eye diagram for error-free transmission - Connector choice: FCA, FCU, SCA, SCU, LCA, LCU - Polarization Maintaining (PM) output available - Available in rack mount or bench top housing - Three year limited warranty | Technical Specifications | | Model Number | LT-1550-12.5-R | | | | | Electro-Optic Specifications | | | | | | Modulation Format | NRZ, RZ | | | | | Modulation Bandwidth | Up to 12.5Gb/s NRZ | | | | | Modulator Type | Lithium Niobate, zero chirp. 10GHz BW | | | | | Input RF Voltage | > 0.5 Volt p-p | | | | | RF Return Loss, S11 | >13 dB | | | | | Optical Output Power | > 7 dBm | | | | | Modulator Bias Mode | Automatic Bias Control | | | | | Extinction Ratio | > 13 dB @ 12.5 G/bs, >23 dB @ 10 Mb/s | | | | | RF Impednace | 50 Ohm | | | | | RF Drive Volatge Control | 10 dB | | | | | Modulator Voltage Range | 7.0 Volt p-p at 12.5Gbs | | | | | Rise/Fall Time | 40 ps maximum | | | | | Optical Specifications | | | | | | Laser Type | DFB with with < 1MHz linewidth | | | | | Laser Wavelength | 1550 nm +/-10nm, 1528-1563nm, user select | | | | | Laser Power Level | 20 mW minimum | | | | | Relative Intensity Noise | > -145 dB/Hz | | | | | Side Mode Suppression Ratio Ratio | 45 dB typical | | | | | Optical Isolation | 30 dB minimum | | | | | Environment / User Interface | | | | | | External Laser Input | Panda, FC/APC | | | | | RF Input Connector | SMA | | | | | Output Optical Connector | FC/APC, FC/UPC, PM optional | | | | | Polarization Extinction Ratio | 20 dB typical | | | | | Output Fiber | SMF 28, Panda for PM option | | | | | Display | LCD | | | | | Computer Interface | RS-232 | | | | | Control | Key lock switch, Laser ouput, Drive Voltage, Bias Control | | | | | Power Supply | 80-240VAC, 43-63Hz | | | | | Dimensions | 19 | | | | | Operation Temperature Range (C) | 0°C to +40°C | | | | | Storage Temperature Range (C) | -40°C to +70°C | | | | | | | | |
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