Read Harman Kardon HK 970 (serv.man14) EMC - CB Certificate online
INTERTEK TESTING SERVICES
16 of 19
Applicant: Harman Consumer Group
Report No.: 04173782
Model: HK 970
Test Summary
Pursuant to EN55020: Immunity to RF voltages
(common mode and differential mode)
Port:
Mains (common mode)
Loudspeaker, headphone, and audio I/O terminals
(differential mode)
Loudspeaker, headphone, and audio I/O terminals
(differential mode)
Basic Standard:
EN55020
Required Performance
Criterion:
Criterion:
A
Wanted Signal:
FM: 1kHz, 40kHz deviation FM signal
TV: Standard TV signal (Colour bar with 1kHz
audio)
Audio playback: pre-recorded tape/disc (1kHz
audio)
Video playback: pre-recorded tape/disc (colour bar
with 1kHz audio)
CD, tape, audio amp.: 1kHz audio signal and
colour bar
Video recording: 1kHz audio signal
Unwanted Signal:
AM at 1kHz at 80% depth
Unwanted signal for mains, loudspeaker and headphone terminals
Frequency MHz
Level dBµV (e.m.f.)
0.15 to 30
130
30 to 100
120
100 to 150
120-110(a)
(a) Decreasing linearly with the logarithm of the frequency.
Unwanted signal for audio input/output terminals
Frequency MHz
Level dBµV (e.m.f.)
0.15 to 1.6
80-90(a)
1.6 to 20
90-120(a)
20 to 100
120
100 to 150
120-110(b)
(a) Increasing linearly with the logarithm of the frequency.
(b) Decreasing linearly wit the logarithm of the frequency.
Ctrl. No.: 17.1
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