JBL CHARGE (serv.man2) EMC - CB Certificate ▷ View online
Report No.:
EM201200813-7
Application No.:
ZJ00024740
Page 37 of 47
5.5 IMMUNITY TO AMBIENT ELECTROMAGNETIC FIELDS (S3)
5.5.1 TEST REQUIREMENT
Test Requirement:
EN 55020
Test Method:
EN 55020
Criterion Required:
A
Wanted Signal:
60dBuV 1KHz FM with 40KHz deviation at 98MHz for FM mode.
1KHz Test sine wave for AUX mode.
Unwanted Signal:
1KHz AM 80% AM at the frequency listed below.
Unwanted signal and immunity limit for FM tuner mode.
Unwanted signal and immunity limit for AUX mode.
Report No.:
EM201200813-7
Application No.:
ZJ00024740
Page 38 of 47
5.5.2 TEST RESULTS
Test: Immunity Radiated Fields S3 <JBL ONBEAT RUMBLE>
Test Mode: Amplifier - Monitor: Speaker
Operating Mode: AUDIO IN S/N: 89.5 dB
Frequency: - AF Level: 54.7 mW
Interf. Signal: Scan, 151112-00002-001, 11/15/2012, 2:11:33PM K2 = 1.6 dB
100/50
90/60
70/80
50/100
30/120
10/140
0/150
S/N [dB] // Level [dB
礦
/m]
150k
20M
40M
60M
80M
100M
120M
150M
Frequency [Hz]
Report No.:
EM201200813-7
Application No.:
ZJ00024740
Page 39 of 47
5.6 IMMUNITY TO ELECTROMAGNETIC FIELDS KEYED CARRIER (S5)
5.6.1 TEST REQUIREMENT
Test Requirement:
EN 55020
Test Method:
EN 55020
Criterion Required:
A
Wanted Signal:
60dBuV 1KHz FM with 40KHz deviation at 98MHz for FM
mode.
1KHz Test sine wave for AUX mode.
Unwanted Signal:
900MHz, 3V/m, duty cycle 1/8, 217Hz repetition frequency
5.6.2 TEST RESULTS
Test: Immunity Radiated Fields S5
Test Mode: Amplifier - Monitor: Speaker
Operating Mode: LINE IN S/N: 92.3 dB
Frequency: - AF Level: 66.1 mW
Test Mode: Amplifier - Monitor: Speaker
Operating Mode: LINE IN S/N: 92.3 dB
Frequency: - AF Level: 66.1 mW
Interf. Signal: Scan
70
80
90
100
110
120
130
140
150
Level [dB礦/m]
895M896M
898M
900M
902M
904M905M
Frequency [Hz]
Report No.:
EM201200813-7
Application No.:
ZJ00024740
Page 40 of 47
APPENDIX A: PHOTOGRAPH OF THE TEST CONFIGURATION
RE
CE
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