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SN EN 60244-14 : 1997

Current

Current

The latest, up-to-date edition.

METHODS OF MEASUREMENT FOR RADIO TRANSMITTERS - PART 14: EXTERNAL INTERMODULATION PRODUCTS CAUSED BY TWO OR MORE TRANSMITTERS USING THE SAME OR ADJACENT ANTENNAS

Published date

12-01-2013

INTRODUCTION<br>1 Scope<br>2 Normative references<br>3 Definitions<br>4 General measuring procedure<br>&nbsp;&nbsp;&nbsp;&nbsp;4.1 Introduction<br>&nbsp;&nbsp;&nbsp;&nbsp;4.2 Measurements in transmitter feeders<br>&nbsp;&nbsp;&nbsp;&nbsp;4.3 Precautions to be observed when making<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;measurements<br>&nbsp;&nbsp;&nbsp;&nbsp;4.4 Off-air measurements<br>&nbsp;&nbsp;&nbsp;&nbsp;4.5 Special precautions to be observed when making<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;off-air measurements<br>5 Methods of measurement for specific transmitter <br>&nbsp;&nbsp;&nbsp;&nbsp;service or configuration<br>&nbsp;&nbsp;&nbsp;&nbsp;5.1 Measurements for VHF radio transmitters<br>&nbsp;&nbsp;&nbsp;&nbsp;5.2 Measurements for adjacent antennas<br>&nbsp;&nbsp;&nbsp;&nbsp;5.3 Measurements for a common antenna<br>6 Presentation of the results<br>Figures<br>1 Measurements in transmitter feeders<br>2 Off-air measurements<br>3 General arrangement for transmitters feeding separate<br>&nbsp;&nbsp;&nbsp;&nbsp;antennas<br>4 General arrangement for transmitters feeding a<br>&nbsp;&nbsp;&nbsp;&nbsp;single antenna<br>5 Alternative arrangement for transmitters feeding a<br>&nbsp;&nbsp;&nbsp;&nbsp;single antenna<br>6 Typical HF station configurations<br>Annexes<br>A Theoretical notes<br>B Calculation of radiated levels of intermodulation<br>&nbsp;&nbsp;&nbsp;&nbsp;products (q = 1)<br>C Maximum permitted power level of spurious emissions

Gives a method of measuring external intermodulation products (intermodulation components) caused by two or more transmitters using the same or adjacent antennas. Covers recommended assessment procedures for the performance of radio broadcast transmitters.

DocumentType
Standard
PublisherName
Swiss Standards
Status
Current

Standards Relationship
DIN EN 60244-14:1998-07 Identical
NBN EN 60244-14 : 1998 Identical
BS EN 60244-14:1997 Identical
EN 60244-14:1997 Identical
NF EN 60244-14 : 1997 Identical
I.S. EN 60244-14:1999 Identical
IEC 60244-14:1997 Identical

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