EN 60315-3:1999/A1:1999

Foreword
Preface
Section 1. General
1 Scope
2 Conditions for measurement
    2.1 Standard measuring conditions
    2.2 Tuning and automatic frequency control
    2.3 Precautions
Section 2. Sensitivity and internal noise
3 Output/input characteristics
    3.1 Introduction
    3.2 Method of measurement
    3.3 Presentation of results
    3.4 Characteristics related to the output/input
          and noise output/input characteristics
Section 3. Selectivity and immunity
4 Explanation of terms
    4.1 Selectivity
    4.2 Immunity
    4.3 Single-signal method
    4.4 Two-signal method
    4.5 Audio-frequency signal-to-interface ratio
    4.6 Audio-frequency protection ratio
    4.7 Radio-frequency wanted-to-interfering signal
          ratio
    4.8 Radio-frequency protection ratio
    4.9 Desensitization (blocking)
    4.10 Cross-modulation
    4.11 Intermodulation
    4.12 Adjacent-channel and alternate-channel
          selectivity
    4.13 Image rejection ratio
    4.14 Intermediate-frequency rejection ratio
    4.15 Spurious-response rejection ratio
    4.16 Pass-band or X dB bandwidth
    4.17 Attenuation slope
5 Single-signal selectivity
    5.1 Introduction
    5.2 Method of measurement
    5.3 Presentation of results
6 Two-signal selectivity using sinusoidal modulation
    of the unwanted signal
    6.1 Introduction
    6.2 Method of measurement
    6.3 Presentation of results
7 Two-signal selectivity using noise modulation
    7.1 Introduction
    7.2 Output measurement
    7.3 Noise signal for modulating the signal
          generators
    7.4 Measuring arrangements
    7.5 Depth of modulation of the signal generators
    7.6 Frequency separation of the sources
    7.7 Audio-frequency signal-to-interference ratio
    7.8 Measurements
    7.9 Presentation of results
    7.10 Influence of non-linear distortion in the
          signal generators
    7.11 Accuracy
8 Desensitization (blocking)
    8.1 Method of measurement
    8.2 Presentation of results
9 Intermodulation
    9.1 Introduction
    9.2 Method of measurement
    9.3 Presentation of results
    9.4 Precautions
10 Rejection of unwanted signals entering through
    the antenna
    10.1 Introduction
    10.2 Single-signal method of measurement
    10.3 Presentation of results
    10.4 Two-signal method of measurement
    10.5 Presentation of results
11 Overall audio-frequency response
    11.1 Introduction
    11.2 Method of measurement
    11.3 Presentation of results
12 Pass-band and attenuation slope
    12.1 Introduction
    12.2 Modulation frequency and modulation factor
    12.3 Method of measurement
    12.4 Presentation of results
13 Selectivity controls
14 Immunity
Section 4. Interface due to internal sources
15 Single-signal beat-notes
    15.1 Introduction
    15.2 Method of measurement
    15.3 Presentation of results
16 Acoustic effects
17 Unwanted oscillations
18 Interference at the power-supply frequency and its
    harmonics (hum)
    18.1 Introduction
    18.2 Method of measurement
    18.3 Presentation of results
Section 5. Distortion
19 Introduction
20 Overall harmonic distortion, distortion-limited a.f.
    output and distortion-limited input level
    20.1 Method of measurement
    20.2 Presentation of results
21 Distortion due to inaccuracy of tuning
    21.1 Method of measurement
Section 6. Miscellaneous
22 Tuning and automatic frequency-control
    characteristics
    22.1 Introduction
    22.2 Method of measurement
    22.3 Presentation of results
Figures
Annex ZA (normative) Other international publications
         quoted in this standard with the references
         of the relevant European publications

Applies to receivers for receiving amplitude-modulated sound-broadcasting emissions.