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AVR7300 (Harman Kardon)
EMC Test Report
Reference No.: NK2EE 318.EMI
7. Radio Interference Power
7.1 Test Procedure
Measurements were performed in the frequency range 30 MHz to 300MHz.
The EUT was placed on a non-metallic table of height 0.8m. At the side of the EUT a non-metallic table
of length 6m was placed to provide for movement of the absorbing clamp. The absorbing clamp was
applied successively to all leads whose length was 25cm or longer, unscreened. For each read the
maximum measured value at each frequency which was obtain when the absorbing clamp is moved
along the lead the distance specified is to be registered. No metallic object, including a possible other
unit of the equipment under test or any person, shall be closer to the lead or unit than 0.8m. All screened
and unscreened cables were measured with an absorbing clamp, according EN 55013-5.6.
Instrumentation used during this session:
Instruments Manufacturer
Model
Serial number
Due To Calibration
Test Receiver
R&S
ESCS30 833364/020 2005.
02
Absorbing Clamp
R&S
MDS21
833711/003
2004. 08
7.2 Measurement Uncertainty
Radio interference power, quasi-peak and average detection: ±3.0dB
7.3 Test Parameters
Port:
Mains lead, Signal leads, Headphone
Basic Standard:
EN 55013:2001
IF Bandwidth:
120kHz
Test Engineer:
J. Y. Yu
Frequency Range:
30MHz – 300MHz
Measurement Time:
0.2Sec
7.4 Test Data
1. Power cable
Frequency
(MHz)
QP
AV
QP
AV
QP
AV
55.29
26.6
22.5
45.9
35.9
19.3
13.4
Reading Value (dB㎺ )
Limit (dB㎺ )
Margin (dB)
More than 20dB Margin
2. Pre-OUT SB L/R
Frequency
(MHz)
QP
AV
QP
AV
QP
AV
39.37
29.5
25.4
45.4
35.4
15.9
10.0
43.01
29.8
27.0
45.5
35.5
15.7
8.5
55.30
28.0
24.9
45.9
35.9
17.9
11.0
244.92
29.2
26.4
53.0
43.0
23.8
16.6
Reading Value (dB㎺ )
Limit (dB㎺ )
Margin (dB)
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