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SPB-4940BLWG Datasheet(PDF) 2 Page - Optoway Technology Inc |
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SPB-4940BLWG Datasheet(HTML) 2 Page - Optoway Technology Inc |
2 / 5 page Optoway SPB-4940LWG *********************************************************************************************************************************************************************** ********************************************************************************************************************************************************************** OPTOWAY TECHNOLOGY INC. No.38, Kuang Fu S. Road, Hu Kou, Hsin Chu Industrial Park, Hsin Chu, Taiwan 303 Tel: 886-3-5979798 Fax: 886-3-5979737 E-mail: sales@optoway.com.tw http: // www.optoway.com.tw 10 /1/2008 V1.0 2 Transmitter Optical Specifications (0 oC < Topr < 70oC, 3.13V < Vcc < 3.47V) Parameter Symbol Min Typ Max Units Notes Average Launch Power Po, Avg 1 5 dBm 1 Output Center Wavelength λc 1320 1330 1340 nm Output Spectrum Width σλ 1 nm -20 dB width Side Mode Suppression Ratio SMSR 30 dB Relative Intensity Noise RIN -128 dB/Hz Average Launch Power of OFF Transmitter -30 dBm 1. Output power is power coupled into a 9/125 µm single-mode fiber. Receiver Optical Specifications (0 oC < Topr < 70oC, 3.13V < Vcc < 3.47V) Parameter Symbol Min Typ Max Units Notes Sensitivity at 8.5 Gb/s -15 dBm 2, Average Power Receiver Overload PMAX 0.5 --- dBm LOS -- Deasserted LOSD --- --- -18 dBm Transition: low to high LOS -- Asserted LOSA -30 --- --- dBm Transition: high to low Wavelength of Operation λc 1260 1280 nm 3 2. Measured with average power; BER < 10 -12 and PRBS 27-1. 3. At least 30 dB optical isolation for the wavelength 1320 to 1340 nm. Electrical Characteristics Parameter Symbol Min Typ Max Units Notes High-Speed Signal (CML) Interface Specification Input Data Rate 1 8.5 Gb/s Differential Input Impedance Rin 100 Ω Differential Data Input Amplitude 150 1000 mVpp Internally AC coupled Output Data Rate 1 8.5 Gb/s Differential Output Impedance Rout 100 Ω Differential Data Output Amplitude 350 600 700 mVpp Internally AC coupled Low-Speed Signal (LVTTL) Interface Specification Input High Voltage 2.0 Vcc+0.3 V Input Low Voltage GND 0.8 V Output High Voltage 2.4 Vcc V Output Low Voltage GND 0.5 V |
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