BS EN 60244-14:1997
Current
The latest, up-to-date edition.
Methods of measurement for radio transmitters External intermodulation products caused by two or more transmitters using the same or adjacent antennas
Hardcopy , PDF
English
15-10-1997
INTRODUCTION
1 Scope
2 Normative references
3 Definitions
4 General measuring procedure
4.1 Introduction
4.2 Measurements in transmitter feeders
4.3 Precautions to be observed when making
measurements
4.4 Off-air measurements
4.5 Special precautions to be observed when making
off-air measurements
5 Methods of measurement for specific transmitter
service or configuration
5.1 Measurements for VHF radio transmitters
5.2 Measurements for adjacent antennas
5.3 Measurements for a common antenna
6 Presentation of the results
Figures
1 Measurements in transmitter feeders
2 Off-air measurements
3 General arrangement for transmitters feeding separate
antennas
4 General arrangement for transmitters feeding a
single antenna
5 Alternative arrangement for transmitters feeding a
single antenna
6 Typical HF station configurations
Annexes
A Theoretical notes
B Calculation of radiated levels of intermodulation
products (q = 1)
C Maximum permitted power level of spurious emissions
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