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BS 4054-3:1980

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Methods of measuring and expressing the performance of radio receivers for sound broadcasting Radio-frequency measurements on receivers for amplitude-modulated emissions

Available format(s)

Hardcopy , PDF

Superseded date

08-15-1996

Language(s)

English

Published date

06-30-1980

National foreword
Cooperating organizations
Chapter 1: General
Section one - Introduction
1. Object
2. Scope
3. General notes on measurements
Chapter II: Distortion
Section two - Overall harmonic distortion and overall
maximum useful output power
4. Introduction
5. Method of measurement
6. Presentation of the results
Section three - Distortion caused by the radio-frequency,
intermediate-frequency and detector stages
7. Introduction
8. Method of measurement with correct tuning
9. Presentation of the results
10. Distortion arising from inaccuracy of tuning
11. Method of measurement
12. Presentation of the results
13. Maximum permissible radio-frequency input signal
Chapter III: Radio-frequency selectivity
Section four - Introduction
14. General notes on selectivity
15. Single-signal selectivity measuring method
16. Multiple-signal selectivity measuring method
Section five - Pass-band and attenuation slope
17. Definitions
18. Method of measurement
19. Presentation of the results
Section six - Fidelity
20. Overall audio-frequency response/frequency
     charcteristics
21. Method of measurement
22. Presentation of the results
Section seven - Rejection of unwanted signals entering
through the normal aerial circuit
23. Introduction
24. Definitions
25. Single-signal method of measurement
26. Two-signal method of measurement
27. Presentation of the results
28. Definitions
29. Desensitization (blocking) and adjacent-signal
     selectivity
30. Method of measurement
31. Presentation of the results
32. Intermodulation
33. Method of measurement
34. Presentation of the results
Chapter IV: Response to interference entering through
ways other than the normal aerial circuit
Section nine - Introduction
35. General notes on response to interference
36. Definitions of protection against interference
37. Classification of the receiver types
Section ten - Signals and equipment
38. Standard reference signal
39. Interference signal
40. Loading network
41. Artificial mains network
42. Additional receiver mains filter
43. Audio-frequency output signal
Section eleven - Interference coming through the mains
lead
44. Methods of measurement
45. Presentation of the results
Section twelve - Interference by direct electric
induction
46. Method of measurement for table and portable
     receivers
47. Method of measurement for console-type receivers
48. Presentation of the results
Section thirteen - Interference by direct magnetic
induction
49. Methods of measurement of radio-frequency inter-
     ference
50. Presentation of the results
51. Method of measurement of overall power-frequency
     interference
Chapter V: Interference due to internal sources
Section fourteen - Single-signal whistles
52. Introduction
53. Method of measurement
54. Presentation of the results
Section fifteen - Power-frequency interference
55. Modulation hum and intermodulation hum
56. Method of measurement
Section sixteen - Unwanted oscillations
57. Unwanted self-oscillation
58. Unwanted electro-acoustic effects
59. Unwanted acoustic feed-back
60. Method of measurement
61. Susceptibility to acoustic feed-back via the
     radio-frequency circuits
62. Method of measurement
63. Presentation of the results
Chapter VI: Radio-frequency sensitivity
Section seventeen - General
64. General notes on sensitivity
65. Linear receiver (with respect to the signal-to-
     noise ratio)
66. Width of the effective overall noise band
67. Maximum usable sensitivity
68. Measuring equipment
Section eighteen - Maximum-gain sensitivity
69. Definition
70. Method of measurement
71. Presentation of the results
Section nineteen - Signal-to-noise ratio
72. Definitions
73. Method of measurement
74. Presentation of the results
Section twenty - Noise-limited sensitivity
75. Definition
76. Method of determination
77. Presentation of the results
Section twenty-one - Amplification reserve
78. Definition
79. Method of measurement
Section twenty-two - Gain-limited sensitivity
80. Definition
81. Method of measurement
Section twenty-three - Noise factor
82. Definitions
83. Methods of determination
84. Presentation of the results
Section twenty-four - Automatic gain control
85. Introduction
86. Method of measurement
87. Presentation of the results
Chapter VII: Miscellaneous subjects
Section twenty-five - Residual output power
88. Definition
89. Method of measurement
Section twenty-six - Signal break-through
90. Definition
91. Method of measurement
Appendix A - Selectivity based on simulated interference
Bibliography
Annex
Figures

Methods of measurement for assessing the r.f. properties of a.m. sound receivers. Gives methods for measuring distortion, r.f. selectivity and sensitivity and response to internal and external interference.

Committee
W/-
DevelopmentNote
Partially supersedes BS 4054(1966) (07/2005)
DocumentType
Standard
Pages
62
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
IEC 60315-3:1989+AMD1:1999 CSV Identical

BS 4054(1966) : 1966 METHODS FOR MEASURING AND EXPRESSING THE PERFORMANCE OF RADIO RECEIVERS - RECEIVERS FOR A.M. AND F.M. SOUND BROADCAST TRANSMISSIONS

BS 4054-1:1980 Methods of measuring and expressing the performance of radio receivers for sound broadcasting General conditions
IEC 60315-2:1971 Methods of measurement on radio receivers for various classes of emission - Part 2: Measurements particulary related to the audio-frequency part of a receiver
BS 4054-2:1980 Methods of measuring and expressing the performance of radio receivers for sound broadcasting Measurements related to the audio-frequency part of the receiver
IEC 60315-1:1988 Methods of measurement on radio receivers for various classes of emission. Part 1: General considerations and methods of measurement, including audio-frequency measurements

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