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INTERTEK TESTING SERVICES
FCC ID: AAO120495
10
3.1
Field Strength Calculation (cont’d)
Example
Assume a receiver reading of 62.0dB
µ
V is obtained. The antenna factor of
7.4dB and cable factor of 1.6dB is added. The amplifier gain of 29dB is
subtracted. The pulse desensitization factor of the spectrum analyzer was
0dB, and the resultant average factor was
−
10dB. The net field strength for
comparison to the appropriate emission limit is 32dB
µ
V/m. This value in
dB
µ
V/m was converted to its corresponding level in
µ
V/m.
RA = 62.0dB
µ
V
AF = 7.4dB
CF = 1.6dB
AG = 29.0dB
PD = 0dB
AV =
−
10dB
FS = 62
+
7.4
+
1.6
−
29
+
0
+
(
−
10) = 32dB
µ
V/m
Level in
µ
V/m = Common Antilogarithm [(32dB
µ
V/m)/20] = 39.8
µ
V/m
Содержание AA0120495
Страница 6: ...INTERTEK TESTING SERVICES FCC ID AAO120495 1 EXHIBIT 1 GENERAL DESCRIPTION ...
Страница 9: ...INTERTEK TESTING SERVICES FCC ID AAO120495 4 EXHIBIT 2 SYSTEM TEST CONFIGURATION ...
Страница 12: ...INTERTEK TESTING SERVICES FCC ID AAO120495 7 EXHIBIT 3 EMISSION RESULTS ...
Страница 21: ...INTERTEK TESTING SERVICES FCC ID AAO120495 16 EXHIBIT 4 EQUIPMENT PHOTOGRAPHS ...
Страница 23: ...INTERTEK TESTING SERVICES FCC ID AAO120495 18 EXHIBIT 5 PRODUCT LABELLING ...
Страница 25: ...INTERTEK TESTING SERVICES FCC ID AAO120495 20 EXHIBIT 6 TECHNICAL SPECIFICATIONS ...
Страница 27: ...INTERTEK TESTING SERVICES FCC ID AAO120495 22 EXHIBIT 7 INSTRUCTION MANUAL ...
Страница 29: ...INTERTEK TESTING SERVICES FCC ID AAO120495 24 EXHIBIT 8 MISCELLANEOUS INFORMATION ...
Страница 36: ...INTERTEK TESTING SERVICES FCC ID AAO120495 31 EXHIBIT 9 CONFIDENTIALITY REQUEST ...