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DPR2005 (Harman Kardon)
EMC Test Report
Reference No.: NK2EE 267.EMS
Screen Effectiveness Test
Port: Coaxial Antenna Terminal
Wanted signal
Frequency (MHz)
Unwanted signal
Frequency (MHz)
Level
dB
Fm
a
Fm
a
±0.001
≥20
** Fm
a
= 98.0MHz
Procedure
The screening effectiveness Se is given by the formula:
Se = Aa + Ac - A
Aa
is the setting of the variable attenuator expressed in dB;
Ac
is the insertion loss of the signal combiner and matching network expressed in dB;
A
is the insertion loss of the absorbing clamp expressed in dB.
Protocol
Frequency
Unwanted Result
EUT
Signal
Frequency
98.001 MHz
60.0 dB
11.0 dB
35.6 dB
35.4 dB
Pass
97.999 MHz
60.0 dB
11.0 dB
35.0 dB
36.0 dB
Pass
Screening
Effectiveness
( Se )
Clamp
Loss
Wanted
Signal
Combiner &
Matching
98.0 MHz
( Aa )
Loss
( Ac )
( A )
