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CONTENTS
Clause Page
1 Introduction .............................................................................................................. 1
1.1 Scope ........................................................................................................................ 1
1.2 Object ....................................................................................................................... 1
1.3 Definitions ................................................................................................................ 1
2 Test resources ........................................................................................................... 3
2.1 Equipment ................................................................................................................ 3
2.2 Fixture ...................................................................................................................... 4
3 Test specimen ........................................................................................................... 6
3.1 Description ............................................................................................................... 6
4 Test procedure .......................................................................................................... 6
4.1 Time domain ............................................................................................................ 6
4.2 Frequency domain .................................................................................................... 8
5 Details to be specified .............................................................................................. 10
6 Test documentation .................................................................................................. 11
Figure
A.1 Example of rise time measurement points ............................................................... A-1
A.2 Example of TDR output; 2 curves (different rise times) and start and stop
specimen points ........................................................................................................ A-2
A.3 Example of analyzer output, impedance vs. log frequency plot ............................... A-3
C.1 Typical mother board test fixture ............................................................................. C-2
C.2 Typical daughter board test fixture ........................................................................... C-2
C.3 Example of near end reference trace ........................................................................ C-5
D.1 Example of an impedance profile of connector using a measurement system
rise time of 35 ps ...................................................................................................... D-1
D.2 Example of impedance profiles of cable under the rise time of 35 ps and 1 ns ....... D-2
E.1 Single-ended terminations ........................................................................................ E-1
E.2 Differential (balanced) terminations ........................................................................ E-2
G.1 Microstrip (a) and stripline (b) geometries ............................................................... G-1
G.2 Buried microstrip geometry ...................................................................................... G-2
Copyright Electronic Components, Assemblies & Materials Association
Provided by IHS under license with ECA
Licensee=IHS Employees/1111111001, User=Japan, IHS
Not for Resale, 08/04/2008 03:13:06 MDT
No reproduction or networking permitted without license from IHS
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