BS EN 60244-15:2000
Current
The latest, up-to-date edition.
Methods of measurement for radio transmitters Amplitude-modulated transmitters for sound broadcasting
Hardcopy , PDF
English
15-05-2000
1 Scope
2 Normative references
3 Definitions
4 General conditions of operation
5 General conditions of measurement
5.1 Input and output measurement arrangements
5.2 Measuring equipment
5.3 Modulation and output power conditions
6 General characteristics
6.1 Rated output power
6.2 DSB output power
6.3 SSB output power
7 Transmission performance characteristics
7.1 Modulation
7.2 DSB modulation
7.3 DCC modulation
7.4 SSB modulation
7.5 Amplitude/radiofrequency characteristic
7.6 Amplitude/audiofrequency characteristic
7.7 Modulation capability
7.8 Long-term stability
7.9 RF intermodulation
7.10 Audiofrequency harmonic distortion
7.11 Audiofrequency intermodulation
7.12 AM noise level
7.13 Unwanted synchronous phase-modulation
7.14 Carrier amplitude variation (carrier shift)
7.15 Out-of-band emission
7.16 Suppression of the unwanted sideband
7.17 Measurement of supplementary signals
Figure 1 - Configuration of measuring arrangements
Figure 2 - RF envelopes of double-sideband (DSB) emissions
with full carrier
Figure 3 - RF envelopes of single-sideband (SSB) emissions
with 6 dB carrier reduction
Figure 4 - RF envelopes of single-sideband (SSB) emissions
with 12 dB carrier reduction
Figure 5 - Signal spectra for DSB transmission
Figure 6 - Signal spectra for SSB transmission
Annex A (informative) Noise-weighting filters
Annex B (informative) Out-of-band spectrum
Annex C (informative) Bibliography
Annex ZA (normative) Normative references to international
publications with their corresponding
European publication
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