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XMT5160B-622-DN Datasheet(PDF) 3 Page - Agilent(Hewlett-Packard) |
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XMT5160B-622-DN Datasheet(HTML) 3 Page - Agilent(Hewlett-Packard) |
3 / 18 page 444 XMT5370-622 Block Diagram Functional Description The ECL input allows operation from many logic families and both single-ended or differential signals. For single-ended operation both DATA and DATA are internally tied to a VBB. The unused input then requires no connection or biasing. The disable function disables the laser bias and modulator. The switching threshold is VCC –3.2 V. If this input is not connected the module is enabled. This input may be connected to a CMOS HI or tied to VCC to disable. The module provides the necessary bias and modulation control to maintain the extinction ratio at better than 8.2 dB and the waveform is compliant with SONET/SDH Eyemask standard G.957. The laser bias control loop compensates for temperature induced variations in laser performance. The bias current monitor indicates the amount of dc current supplied to the laser. (This is approximately the laser threshold current). The rear facet monitor is a signal proportional to the laser output power. This can be used as part of a HI/LO light alarm. In the absence of data the laser will emit a mean optical power within the specified limits. The extinction ratio and duty cycle distortion are specified assuring a 50% duty cycle at the correct data rate. ECL INPUT LASER MODULATOR LASER BIAS DRIVER LASER BIAS CONTROL DATA DATA LASER PHOTODIODE (REAR FACET MONITOR) DISABLE LASER BIAS MONITOR REAR FACET MONITOR |
Similar Part No. - XMT5160B-622-DN |
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Similar Description - XMT5160B-622-DN |
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