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AFBR-810BZ Datasheet(PDF) 7 Page - AVAGO TECHNOLOGIES LIMITED |
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AFBR-810BZ Datasheet(HTML) 7 Page - AVAGO TECHNOLOGIES LIMITED |
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7 / 48 page  7 Informative TX parameters trading off each other while guaranteeing TP2 & TP4 performance Parameter Symbol Extinction Ratio ER Output Optical Modulation Amplitude OMA Output Rise/Fall Time Relative Intensity Noise OMA RIN12 OMA Contributed Portion of Accumulated Deterministic Jitter Contributed Portion of Accumulated Total Jitter Informative RX parameters trading off each other while guaranteeing TP4 performance Parameter Symbol Receiver Bandwidth (BW) Input Optical Power Sensitivity (OMA) Contributed Portion of Accumulated Deterministic Jitter Contributed Portion of Accumulated Total Jitter The reference model for testing transmitters consists of a pattern generator, fiber optic test cable, attenuator, test receiver and BERT. See Figure 7 for the evolution of a reference channel to a transmitter test channel. Dif- ferences between the worst case values for attributes in the reference model and those in the test equipment set can be compensated by an added attenuator (note that the 10GbE model translates all impairments into power penalties) and adjustments in TJ criteria at TP4. Differences in the TP1 input jitter between the defined conditions, TJ r and DJ r, for the reference channel and actually provided in the test channel, TJ t and DJ t, can also be accommodat- ed by adjustments to TP4 test criteria (TJ r becomes TJ t). The extended 10GbE Link model is used to determine the compensating attenuation and TP4 criteria adjustments. The reference for testing receivers consists of a pattern generator, test transmitter, fiber optic test cable, attenua- tor and BERT. See Figure 8 for the evolution of a reference channel to a receiver test channel. In a similar manner as with the transmitter, all differences between the test equipment and worst case channel are compensated with an attenuator and adjustments in the TP4 criteria. Reference Channel Pattern Generator BERT TP1 TJ r DJ r Worst Case Transmitter Min OMA Min Center Wavelength Max Spectral RMS Width Max RIN12 OMA Max Rise & Fall Times Worst Case Cable Plant Fiber Type Max Length Max Connector Loss Max Modal Noise Penalty Worst Case Receiver Max Sensitivity Min Bandwidth TP4 TJ r Reference Channel for Tx DUT (Tx Test Channel) Pattern Generator BERT TP1 TJ t DJ t Transmitter Under Test Test Cable Plant Test Fiber Type Test Length Attenuator Test Receiver Test Sensitivity Test Bandwidth TP4 TJ t Reference Channel Pattern Generator BERT TP1 TJ r DJ r Worst Case Transmitter Min OMA Min Center Wavelength Max Spectral RMS Width Max RIN12 OMA Max Rise & Fall Times Worst Case Cable Plant Fiber Type Max Length Max Connector Loss Max Modal Noise Penalty Worst Case Receiver Max Sensitivity Min Bandwidth TP4 TJ r Pattern Generator BERT Reference Channel for Rx DUT (Tx Test Channel) TP1 TJ t DJ t Transmitter Under Test Test Cable Plant Test Fiber Type Test Length Attenuator Receiver Under Test TP4 TJ t Test OMA Test Center Wavelength Test Spectral RMS Width Test RIN12 OMA Test Rise & Fall Times Figure 7. Reference and Test Channels for Transmitter Figure 8. Reference and Test Channels for Receiver |
Similar Part No. - AFBR-810BZ |
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Similar Description - AFBR-810BZ |
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