{"id":247828,"date":"2024-10-19T16:19:06","date_gmt":"2024-10-19T16:19:06","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-61280-2-122014\/"},"modified":"2024-10-25T11:26:57","modified_gmt":"2024-10-25T11:26:57","slug":"bs-en-61280-2-122014","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-61280-2-122014\/","title":{"rendered":"BS EN 61280-2-12:2014"},"content":{"rendered":"

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<\/p>\n

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
6<\/td>\nEnglish
CONTENTS <\/td>\n<\/tr>\n
7<\/td>\nINTRODUCTION <\/td>\n<\/tr>\n
8<\/td>\n1 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 <\/td>\n<\/tr>\n
9<\/td>\n4.2 Q-factor formula
Figures
Figure 1 \u2013 Asynchronous waveform and synchronous eye diagram of 40\u00a0Gbps RZ-signal reconstructed by software triggering technique <\/td>\n<\/tr>\n
10<\/td>\nFigure 2 \u2013 RZ synchronous eye diagram reconstructed by software triggering technique, time window, and histogram
Figure 3 \u2013 Example of relationship between Q-factor and window width <\/td>\n<\/tr>\n
11<\/td>\n5 Apparatus
5.1 General
Figure 4 \u2013 Test system 1 for measuring eye diagrams and Q-factor using the software triggering technique <\/td>\n<\/tr>\n
12<\/td>\n5.2 Optical bandpass filter
5.3 High frequency receiver
Figure 5 \u2013 Test system 2 for measuring eye diagrams and Q-factor using the software triggering technique <\/td>\n<\/tr>\n
13<\/td>\n5.4 Clock oscillator
5.5 Electric pulse generator
5.6 Sampling module <\/td>\n<\/tr>\n
14<\/td>\n5.7 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 <\/td>\n<\/tr>\n
15<\/td>\n5.12 Monitoring system parameters
6 Procedure
6.1 General
6.2 Measuring eye diagrams and Q calculations
Tables
Table 1 \u2013 Monitoring system parameters <\/td>\n<\/tr>\n
17<\/td>\nAnnex A (informative) Example of the signal processing required to reconstruct the synchronous eye diagram
Figure A.1 \u2013 Block diagram of the software triggering module <\/td>\n<\/tr>\n
18<\/td>\nFigure A.2 \u2013 Example of interpolating a discrete spectrum and determining beat frequency <\/td>\n<\/tr>\n
19<\/td>\nAnnex B (informative) Adequate sampling time width (gate width)
Figure B.1 \u2013 The typical calculated relationship between the adequate sampling time width (gate width) and the bit rate of the optical signal <\/td>\n<\/tr>\n
20<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Fibre optic communication subsystem test procedures – Digital systems. Measuring eye diagrams and Q-factor using a software triggering technique for transmission signal quality assessment<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2014<\/td>\n24<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":247831,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[649,2641],"product_tag":[],"class_list":{"0":"post-247828","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-33-180-10","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/247828","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/247831"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=247828"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=247828"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=247828"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}