Cypress CYS25G0101DX-ATC

CYS25G0101DX-ATC Evaluation Board User’s Guide

8. Jitter Transfer Testing Result

Figure 13 and Figure 14 show the Jitter Transfer measurement by using the test set-up as in Figure 10. Figure 13 is the measurement

result of the GR-253 (Bellcore) standard and Figure 14 is the measurement result of the G958 (ITU) standard. In this measurement, the

CYS25G0101DX evaluation board is configured to parallel loopback mode (Figure 7).

Figure 13. CYS25G0101DX Evaluation Board GR-253 Jitter Transfer Testing Result

Figure 14. CYS25G0101DX Evaluation Board G958 Jitter Transfer Testing Result

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Contents

Main Page Page 1. Introduction 2. Features 3. Kit Contents 4. Functional Description Page Page Page Page Page CYS25G0101DX-ATC Evaluation Board Users Guide 11 Figure 3. The Jumper Orientations of the CYS25G0101DX 5. Diagnostic Modes 5.1 Diagnostic Loopback Mode 5.2 Line Loopback Page 5.4 Parallel Line Loopback (TEST0) Mode 5.4.1 Test the Internal RX CDR PLL Only 5.4.2 Test the Internal RX CDR PLL and TX PLL 6. Testing Hookup 6.1 Set-up for BERT Test 6.2 Set-up for Eye Diagram Test 6.3 SONET Jitter Transfer and Jitter Tolerance Test 6.4 Set-up for Testing the TX PLL in Parallel Line Loopback Mode Page Page Page 10. Schematic Diagram, PCB Layout and BOM (Bill of Material)