Title: RF Test Report for 3G MOBILE PHONE
Main Model: AC4E
Serial Model: ANDY AC4E, AC4EW
To: FCC Part 15.247: 2013, ANSI C63.4: 2009
Report No.: 13070549-FCC-R3
Issue Date: December 06, 2013
Page: 55 of 74
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Annex A. iii RADIATED EMISSIONS TEST DESCRIPTION
EUT Characterisation
EUT characterisation, over the frequency range from 30MHz to 10
th
Harmonic , was done in order to minimise radiated
emissions testing time while still maintaining high confidence in the test results.
The EUT was placed in the chamber, at a height of about 0.8m on a turntable. Its radiated emissions frequency profile was
observed, using a spectrum analyzer /receiver with the appropriate broadband antenna placed 3m away from the EUT.
Radiated emissions from the EUT were maximised by rotating the turntable manually, changing the antenna polarisation
and manipulating the EUT cables while observing the frequency profile on the spectrum analyzer / receiver. Frequency
points at which maximum emissions occurred, clock frequencies and operating frequencies were then noted for the formal
radiated emissions test at the Open Area Test Site (OATS).
Test Set-up
1.
The EUT and supporting equipment were set up in accordance with the requirements of the standard on top of a
1.5m X 1.0m X 0.8m high, non-metallic table.
2.
The filtered power supply for the EUT and supporting equipment were tapped from the appropriate power sockets
located on the turntable.
3.
The relevant broadband antenna was set at the required test distance away from the EUT and supporting
equipment boundary.
3m
Ant. Tower
1-4m
Variable
Turn Table
EUT&
Support Units
Ground Plane
Test Receiver
80cm
