JBL SUB 140P (serv.man4) EMC - CB Certificate ▷ View online
Report No:W-N-1010002-CY-01-1
Telecom Technology Center
6.3 IMMUNITY AGAINST RFI CURRENTS (S2b)
6.3.1 Description
According to EN 55020:2007, item 5.4, for Measurement of immunity to RF voltage
(common mode) at antenna terminal.
For this EUT is without antenna terminal, there is no requirement for measuring
immunity to RF voltage, and adverse signal do not occur.
(common mode) at antenna terminal.
For this EUT is without antenna terminal, there is no requirement for measuring
immunity to RF voltage, and adverse signal do not occur.
6.3.2 Test Procedure
The test requirement was in accordance with EN 55020: 2007, item 5.4
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Report No:W-N-1010002-CY-01-1
Telecom Technology Center
6.4 RADIATED FIELDS (S3)
6.4.1 Test Limit
Equipment not fitting inside the open strip line shall be measured according
IEC61000-4-3 in the frequency range 80MHz to 150MHz
Test Item
Test Specification
Radiated Signal(S3)
80-150MHz
(AM 80% depth, with 1kHz)
3V/m.
Limits of immunity to ambient electromagnetic fields of equipment with audio or
video functions
video functions
Frequency
MHz
Level
dB (μV/m)
0.15 to 150
125
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Report No:W-N-1010002-CY-01-1
Telecom Technology Center
6.4.2 Test Procedure
The test requirement was in accordance with EN 55020: 2007, item 5.8
6.4.3 Deviation From Test Standard
No deviation
6.4.4 Test Setup
Immunity Against Radiated RFI (S3)
EUT
MBS
AC Power Source
50/75 Ω
Shielding Room
50/150Ω
150Ω Att
Speaker (R/L)
Headphone (R/L)
Audio Out (R/L)
AC Power Source
Test System
Interfering Signal
Audio Analyzer
AC Power
Desired Signal
AF Generator
BS 8Ω
BS 300Ω
BS
Antenna Input
Audio In (R+L)
Ri
100Ω
1kΩ
2.2kΩ
10kΩ
22kΩ
22kΩ
Isolation Transformer
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Report No:W-N-1010002-CY-01-1
Telecom Technology Center
6.4.5 Test Photographs
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