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AFBR-2012 Datasheet(PDF) 4 Page - AVAGO TECHNOLOGIES LIMITED |
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AFBR-2012 Datasheet(HTML) 4 Page - AVAGO TECHNOLOGIES LIMITED |
4 / 9 page 4 Optical Signal Characteristics 49.152Mbaud (48kHz) (24.576 MBit/s MOST Data, VCC = 3.135 … 3.465V or 4.75 … 5.25V, REXT = 15k ) Parameter Symbol Min. Typ. Max. Units Peak wavelength λPeak 630 650 685 nm Temperature coefficient λPEAK TCλ 0.16 nm/K Spectral Bandwidth (FWHM) Deltaλ 20 30 nm Average Output Power coupled into plastic fiber [1] Popt -8.0 -5.2 -2.0 dBm Average Output Power coupled into plastic fiber (if REXT = 13.5k is used instead of REXT =15k) [1] Popt -7.5 -4.7 -1.5 dBm Optical Output Power “Light off” [2] POFF -50 dBm Optical Rise Time (20% - 80%) [4] tr 2.5 5.49 ns Optical Fall Time (80% - 20%) [4] tf 3.5 5.49 ns Extinction Ratio [4,6] re 10 15 dB Pulse Width Variation [3,4,5] tPWV 18.4 22.3 ns Average Pulse Width Distortion [3,4] tAPWD -1.28 1.28 ns Data Dependent Link Jitter [3,4] tDDJ 0.2 0.71 ns Uncorrelated Link Jitter [3,4] tUJ 0.05 0.31 ns Positive Overshoot within 0UI … 2/3UI [4,6] -20 40 % Negative Overshoot within -1UI … -1/4UI [4,6] -10 20 % High Level Signal Ripple between 2/3UI and 3/4UI -10 10 % Notes: 1. Average value when transmitting modulated light @signal timing parameters. The output power coupled into plastic fiber Popt is measured with a large area detector at the end of 30cm POF fiber with a NA = 0.5 which is ideally coupled to the transmitter 2. Average value when signal on Tx_Data is low 3. The electrical input signal has to fulfill the following requirements: tpwv(min) = 18.4ns, tpwv(max) = 22.3ns, ttAPWD(min) = -1.28ns and ttAPWD(max) = 1.28ns, tDDJ(max) = 0.2ns, tUJ(max) = 0.09ns 4. Characterized with Avago Characterization Boards 5. Limits for 2UI are 38.72 … 42.66ns and for 3UI they are 59.06 … 63.01ns. 6. Top and Base level measured at least over 10UIs. |
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