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BS EN 60835-1-3:1997
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The latest, up-to-date edition.
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Methods of measurement for equipment used in digital microwave radio transmission systems. Measurements common to terrestrial radio-relay systems and satellite earth stations Transmission characteristics
Hardcopy , PDF
English
15-04-1993
Committees responsible
National foreword
Foreword
Introduction
Method
1 Scope
2 Amplitude/frequency characteristic
3 Group-delay/frequency characteristic
4 A.M.-to-p.m. conversion and a.m. compression
5 Differential gain and phase
6 Delay difference between two transmission paths
Annex
A (informative) Bibliography
Figures
1 Simplified arrangement for measuring the i.f.
amplitude/frequency characteristic, the group delay/
frequency characteristic and the a.m.-to-p.m. conversion
2 Example of oscilloscope display of an amplitude/
frequency characteristic
3 Example of an oscilloscope display of a group/delay
frequency characteristic
4 Arrangement for measuring a.m.-to p.m. conversion
factor and amplitude compression
5 Example of spectrum analyser display when measuring
a.m.-to-p.m. conversion
6 Curves for determining the a.m.-to-p.m. conversion
factor Kp
7 Curves for determining the amplitude compression
coefficient C
8 Example of space diversity receiving system where
delay difference could be a problem
9 Arrangement for measuring delay difference between
two branches of a diversity system
10 Delay difference measurement: CRT display for a
synchronized switch
11 Delay difference measurement: CRT display for a non-
synchronized switch
12 Arrangement for measuring the switch-over characteristic
as a function of delay difference
13 Measurement of absolute delay of an i.f. component or
sub-assembly
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