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AD8153 Datasheet(PDF) 18 Page - Analog Devices |
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AD8153 Datasheet(HTML) 18 Page - Analog Devices |
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18 / 24 page  AD8153 Rev. 0 | Page 18 of 24 APPLICATIONS INFORMATION The main application of the AD8153 is to support redundancy on both the backplane side and the line interface side of a serial link. Figure 34 illustrates redundancy in a typical backplane system. Each line card is connected to two switch fabrics (primary and redundant). The device can be configured to support either 1 + 1 or 1:1 redundancy. Another application for the AD8153 is in test equipment for evaluating high speed serial links. Figure 36 illustrates a possible application of the AD8153 in a simple link tester. FABRIC CARDS LINE CARDS BACKPLANE AD8153 PHYSICAL INTERFACE AD8153 PHYSICAL INTERFACE REDUNDANT SWITCH FABRIC PRIMARY SWITCH FABRIC DIGITAL ENGINE DIGITAL ENGINE Figure 34. Switch Redundancy Application PROCESSING ENGINE/CROSSBAR/ BACKPLANE AD8153 SFP SFP CDR CDR Figure 35. Line Interface Redundancy Application PROTOCOL ANALYZER FPGA DUT CONNECTOR AD8153 Figure 36. Test Equipment Application |
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