User's Manual

SHENZHEN MOST ELECTRONICS CO., LTD.
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Http:// www. szmost.com Email: [e-mail]
APPLICANT: E-CORE TECHNOLOGY(CHINA) CO., LTD.
FCC ID: SIWHP5195A
Page 2 of 8
TEST PROCEDURE
GENERAL: This report shall NOT be reproduced except in full without the written
approval of MOST TECHNOLOGY SERVICE CO., LTD. The EUT was transmitting a test signal
during the testing.
POWER LINE CONDUCTED INTERFERENCE: The test procedure used was ANSI Standard
C63.4-2003 using a 50ｕH LISN. Both Lines were observed. The bandwidth of the receiver
was 10kHz with an appropriate sweep speed. The ambient temperature of the EUT was
25
℃ with a humidity of 58%.
RADIATION INTERFERENCE: The test procedure used was ANSI Standard C63.4-2003 using
a ANRITSU spectrum analyzer with a pre-selector. The analyzer was calibrated in dB
above a micro volt at the output of the antenna. The resolution bandwidth was 100
kHz and the video bandwidth was 300 kHz up to 1 GHz and 1 MHz with a video BW of 3
MHz above 1 GHz. The ambient temperature of the EUT was 25
℃ with a humidity of 58%.
FORMULA OF CONVERSION FACTORS: The Field Strength at 3m was established by adding
the meter reading of the spectrum analyzer (which is set to read in units of dBuV)
to the antenna correction factor supplied by the antenna manufacturer. The antenna
correction factors are stated in terms of dB. The gain of the Pre-selector was
accounted for in the Spectrum Analyzer Meter Reading.
Example:
Freq (MHz) METER READING + ACF = FS
33 20 dBuV + 10.36 dB = 30.36 dBuV/m @ 3m
ANSI STANDARD C63.4-2003 10.1.7 MEASUREMENT PROCEDURES: The EUT was placed on a table
80 cm high and with dimensions of 1m by 1.5m. The EUT was placed in the center of
the table (1.5m side). The table used for radiated measurements is capable of
continuous rotation.
When an emission was found, the table was rotated to produce the maximum signal
strength. At this point, the antenna was raised and lowered from 1m to 4m. The antenna
was placed in both the horizontal and vertical planes.
The situation was similar for the conducted measurement except that the table did
not rotate. The EUT was setup as described in ANSI Standard C63.4-2003 10.1.7 with
the EUT 40 cm from the vertical ground wall.