AS/NZS 4053:1997 LIMITS AND METHODS OF MEASUREMENT OF IMMUNITY CHARACTERISTICS OF SOUND AND TELEVISION BROADCAST RECEIVERS AN
PREFACE
CONTENTS
1 Scope and object
2 Normative references
3 DefinItions
3.1 external immunity:
3.2 Internal immunity:
3.3 sound receivers:
3.4 television receivers:
4 Limits of immunity
4.1 External immunity
4.1.1 Limits of immunity to ambient electromagnetic field in the frequency range 0,15 MHz to 150 MHz
4.1.2 Limits of immunity to ambient electromagnetic field in the frequency range 150 MHz to 1 GHz
4.1.3 Limits of immunity to RF induced currents in the frequency range 0,15 MHz to 150 MHz
4.1.4 Limits of immunity to RF induced currents in the frequency range 0,15 MHz to 150 MHz
4.2 Internal immunity
4.2.1 Television receivers
4.2.2 FM sound receivers
4.2.3 Multi-function equipment
4.2.4 Associated equipment
4.2.5 Satellite television receivers
4.2.6 Satellite sound receivers
4.3 Screening effectiveness
4.3.1 Television receivers
4.3.2 Sound receivers
5 Methods of measurement
5.1 General
5.1.1 Introduction
5.1.2 Determination of the immunity characteristics
5.1.3 Standard input and interfering signals
5.1.4 Reference audio output signal level
5.2 Measurement of the immunity to ambient electromagnetic fields in the frequency range 150 kHz to 150 MHz
5.2.1 Introduction
5.2.2 Systems for guided waves (TEM devices)
5.2.3 Measurement of the immunity of television receivers
5.2.4 Measurement of the immunity of sound receivers
5.2.5 Measurement of the immunity of equipment associated with sound and television receivers
5.3 Measurement of the immunity to ambient electromagnetic fields in the frequency range 150 MHz to 1 GHz
5.3.1 Introduction
5.3.2 Measuring site requirements
5.3.3 Measurements procedure
5.3.4 Measuring set-up
5.3.5 Measurement of the immunity of television receivers in the tuned RF band
5.4 Measurement of the immunity to RF induced currents in the frequency range 150 kHz to 150 MHz
5.4.1 Introduction
5.4.2 Principle of measurement
5.4.3 Measuring set-up
5.4.4 Measurement of the immunity of broadcast receivers and associated equipment
5.4.5 Measurement of the immunity of multi-function equipment
5.5 Measurement of the immunity to RF induced voltages in the frequency range 150 kHz to 150 MHz
5.5.1 Introduction
5.5.2 Measuring set-up
5.5.3 Measurement procedure
5.6 Measurement of internal immunity
5.6.1 Introduction
5.6.2 Television receivers
5.6.3 Sound receivers
5.6.4 Satellite television receivers
5.6.5 Satellite sound receivers
5.7 Measurement of the screening effectiveness
5.7.1 Measuring set-up
5.7.2 Measurement procedure
6 Interpretation of CISPR immunity limits
6.1 Significance of a CISPR limit
6.2 Compliance with limits on a statistical basis
Annex A
A.1 Calibration of the TEM device
Annex B - Coupling units and low-pass filter for the measurement of the immunity
to RF currents in the frequency range 150 k
B.1 Guide to the construction of the coupling units (figures 23 to 28)
B.2 Performance checks for couplIng units
B.3 Performance checks for the low-pass filter (F)
B.4 Constructions of the coupling units for the 150 kHz to 30 MHz range
Annex C - Guide to the testing of television receivers
Annex D - Generator for unwanted signal type G
ANNEX ZZ - VARIATIONS FOR AUSTRALIA AND NEW ZEALAND
