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GS9092A Datasheet(PDF) 48 Page - Semtech Corporation |
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GS9092A Datasheet(HTML) 48 Page - Semtech Corporation |
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48 / 61 page  GS9092A GenLINX® III 270Mb/s Serializer for SDI and DVB-ASI Final Data Sheet 34715 - 5 February 2013 48 of 61 Figure 3-10: Output Swing in the non-linear region of the GS9092A’s output When performing a return loss measurement the output is in a static and unloaded condition. The typical cable driver power supply is 1.8V, which places the unloaded swing very close to the power rails of the GS9092A's cable driver. As the output voltage approaches the GND rail, the output driver enters a non-linear region. In this region, the GS9092A's output transistor's characteristics are not optimal (see Figure 3-10). Figure 3-11 shows the return loss performance of the cable driver as a function of the output voltage level. When the output driver is latched low, the observed ORL in the non-linear region will appear degraded. When the output driver is latched high, the observed ORL will be representative of the operating return loss. Figure 3-11: ORL vs. Output Voltage 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 LOADED UNLOADED NON-LINEAR REGION OPERATING REGION 0 -10 -20 -30 -40 OUTPUT VOLTAGE (V) NON-LINEAR REGION OPERATING REGION 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 |
Similar Part No. - GS9092A |
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Similar Description - GS9092A |
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