Harman Kardon GO PLAY MICRO (serv.man6) EMC - CB Certificate ▷ View online
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Test Report No.:
15036107 001
Seite 21 von 33
Page 21 of 33
5.3
Electrical fast transients/burst
Result:
Passed
The immunity against electrical fast transients/burst was tested in accordance with clause
4.5 and Table 11 of EN 55020:2007. Test setup, test method and EFT/B generator are in
accordance with IEC 61000-4-4.
4.5 and Table 11 of EN 55020:2007. Test setup, test method and EFT/B generator are in
accordance with IEC 61000-4-4.
The EUT is placed on a 0.1m wooden support above the ground plane. And the minimum
distance between the EUT and all other conductive structures except the ground plane
beneath the EUT is more than 0.5m.
distance between the EUT and all other conductive structures except the ground plane
beneath the EUT is more than 0.5m.
The length between the coupling device and the EUT is 0.5m±0.05m.
The cord length more
than 0.5m±0.05m, the excess length of the cable shall folder to avoid a flat coil and situated
at a distance of 0.1m above the ground reference plane.
at a distance of 0.1m above the ground reference plane.
The reference ground plane is an aluminum sheet of 0.25mm minimum thickness. The
reference ground plane is connected to the protective earth. The size of the ground plane is
more than 2m x 2m.
reference ground plane is connected to the protective earth. The size of the ground plane is
more than 2m x 2m.
Date of testing
:
27.01.2010
Test voltage
:
1kV
Repetition frequency
:
5kHz
T
r
/T
d
:
5/50ns
Polarity
:
Positive / negative
Test duration
:
1 min for each polarity
Performance criteria
:
B
Table 4: Electrical fast transients/burst immunity test
Coupling port
Result
Remarks
AC Input L+N
Pass
After the test, the sample can operate
as intended.
as intended.
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5.4
Immunity to RF voltages of mains supply terminals
Result:
Passed
This immunity test was performed according to clause 4.5 and clause 4.6.1 of EN
55020:2007.
55020:2007.
Date of testing
: 27.01.2010
Performance criteria
: A
Test specification
: 130dB
µ
V(0.15-30MHz); 120dB
µ
V(30-100MHz);
120-110dB
µ
V(100-150MHz, decreasing linearly with the
logarithm of the frequency)
Operation mode
: Continuously operating mode
For the test results, refer to the following figures.
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Figure 8: Immunity to RF voltages of mains supply terminals test results
Injection port: mains terminal; Evaluated performance: S/N ratio of audio signal
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5.5
Immunity to RF voltages of audio input and output terminals
Result:
Passed
This immunity test was performed according to clause clause 4.4.2 and clause 4.6.2 of EN
55020:2007. The test was performed in audio input port.
55020:2007. The test was performed in audio input port.
Date of testing
: 27.01.2010
Performance criteria
: A
Test specification
: 80-90 dB
µ
V (0.15-1.6 MHz);
90-120 dB
µ
V (1.6-20MHz);
120 dB
µ
V (20-100MHz);
120-110 dB
µ
V (100-150MHz).
Operation mode
: Continuously operating mode
For the test results, refer to the following figures.
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