BS EN 61280-2-12:2014
$142.49
Fibre optic communication subsystem test procedures – Digital systems. Measuring eye diagrams and Q-factor using a software triggering technique for transmission signal quality assessment
| Published By | Publication Date | Number of Pages |
| BSI | 2014 | 24 |
IEC 61280-2-12:2014 defines the procedure for measuring eye diagrams and Q-factor of optical transmission (RZ and NRZ) signals using software triggering technique as shown in 4.1. Keywords: measuring eye diagrams and Q-factor of optical transmission (RZ and NRZ) signals, software triggering technique
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 6 | English CONTENTS |
| 7 | INTRODUCTION |
| 8 | 1 Scope 2 Normative references 3 Abbreviated terms 4 Software synchronization method and Q-factor 4.1 Example of asynchronous waveform and eye diagram reconstructed by software triggering technique |
| 9 | 4.2 Q-factor formula Figures Figure 1 – Asynchronous waveform and synchronous eye diagram of 40 Gbps RZ-signal reconstructed by software triggering technique |
| 10 | Figure 2 – RZ synchronous eye diagram reconstructed by software triggering technique, time window, and histogram Figure 3 – Example of relationship between Q-factor and window width |
| 11 | 5 Apparatus 5.1 General Figure 4 – Test system 1 for measuring eye diagrams and Q-factor using the software triggering technique |
| 12 | 5.2 Optical bandpass filter 5.3 High frequency receiver Figure 5 – Test system 2 for measuring eye diagrams and Q-factor using the software triggering technique |
| 13 | 5.4 Clock oscillator 5.5 Electric pulse generator 5.6 Sampling module |
| 14 | 5.7 Electric signal processing circuit 5.8 Optical clock pulse generator 5.9 Optical sampling module 5.10 Optical signal processing circuit 5.11 Synchronization bandwidth |
| 15 | 5.12 Monitoring system parameters 6 Procedure 6.1 General 6.2 Measuring eye diagrams and Q calculations Tables Table 1 – Monitoring system parameters |
| 17 | Annex A (informative) Example of the signal processing required to reconstruct the synchronous eye diagram Figure A.1 – Block diagram of the software triggering module |
| 18 | Figure A.2 – Example of interpolating a discrete spectrum and determining beat frequency |
| 19 | Annex B (informative) Adequate sampling time width (gate width) Figure B.1 – The typical calculated relationship between the adequate sampling time width (gate width) and the bit rate of the optical signal |
| 20 | Bibliography |
Related products
-
IEC 61280-2-12:2014
Fibre optic communication subsystem test procedures – Part 2-12: Digital systems – Measuring eye diagrams…
-
UNE-EN 61280-2-12:2014
Fibre optic communication subsystem test procedures – Part 2-12: Digital systems – Measuring eye diagrams…
