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Reference No. : 54121209H Page 10/39
◀ Anam EMC Test Laboratory ▶
Disturbance radiation due to the other source.
Disturbance value(㏈㎶/m)
Channel Harmonic
Measured
freq. (㎒)
Limit
(㏈㎶/m)
Horizon Vertical
122.28
40.0
*
29.5
Others 208.89
40.0 34.7 *
221.18
40.0
34.1 31.1
30
~
606.40
47.0
33.8 39.8
1,000 ㎒
999.00
47.0
42.3 43.4
*: More than margin 7.0 ㏈㎶/m
Limit according to EN55013:2001+A2(2006)
7. ANTENNA TERMINAL DISTURBANCE VOLTAGE IN THE
FREQUENCY RANGE 30MHz TO 1,000MHz
7.1. Operating environment
Temperature
: 28℃
Relative humidity : 37%
7.2. Test set-up and procedure
Measurements were performed in the frequency range 30 ㎒ to 1,000 ㎒.
The level of the test signal, which was connected to the receiver through a
combining network, was set to give 70 ㏈㎶ at the input of the EUT.
The signal was an unmodulated carrier.
Disturbance voltage due to the local oscillator, it’s fundamental and harmonic
frequencies was measured with the receiver tuned to a selected number of FM
sound broadcast channels. Disturbance voltage due to all other sources was
measured with the receiver tuned to the channel 98.3 ㎒ respectively.
combining network, was set to give 70 ㏈㎶ at the input of the EUT.
The signal was an unmodulated carrier.
Disturbance voltage due to the local oscillator, it’s fundamental and harmonic
frequencies was measured with the receiver tuned to a selected number of FM
sound broadcast channels. Disturbance voltage due to all other sources was
measured with the receiver tuned to the channel 98.3 ㎒ respectively.
7.3. Measurement uncertainty
Antenna terminal disturbance voltage, Quasi-peak detection: ±2.0 ㏈
The measurement uncertainty describes the overall uncertainty of the given
measured value during the operation of the EUT in the above-mentioned way.
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