Read Harman Kardon ESQUIRE (serv.man3) EMC - CB Certificate online
Report No.:
EM201300418-1
Application No.:
ZJ00031163
Page 21 of 58
4.3 DWELL TIME
4.3.1 LIMITS
EN300 328 clause 4.3.4
The maximum dwell time shall be 0,4 s.
4.3.2 TEST PROCEDURE
Remove the antenna from the EUT and then connect a low attenuation cable from the antenna port
to the spectrum.
Set spectrum analyzer span = 0. Centered on a hopping channel;
Set RBW = 1MHz and VBW ≥ 1MHz. Sweep = as necessary to capture the entire dwell time per
hopping channel. Detector Function = Peak. Trace = Max hold;
Use the marker-delta function to determine the dwell time. If this value varies with different
modes of operation (e.g.. data rate. modulation format. etc.). Repeat this test for each variation.
The limit is specified in one of the subparagraphs of this Section. Submit this plot(s). An
oscilloscope may be used instead of a spectrum analyzer.
Pre-test the 3 modulation to find GFSK and 8DPSK is worse case, so only record GFSK and
8DPSK test data.
4.3.3 TEST SETUP
Remove the antenna from the EUT and then connect a low attenuation cable from the antenna port
to the spectrum.
Set spectrum analyzer span = 0. Centered on a hopping channel;
Set RBW = 1MHz and VBW ≥ 1MHz. Sweep = as necessary to capture the entire dwell time per
hopping channel. Detector Function = Peak. Trace = Max hold;
Use the marker-delta function to determine the dwell time. If this value varies with different
modes of operation (e.g.. data rate. modulation format. etc.). Repeat this test for each variation.
The limit is specified in one of the subparagraphs of this Section. Submit this plot(s). An
oscilloscope may be used instead of a spectrum analyzer.
Pre-test the 3 modulation to find GFSK and 8DPSK is worse case, so only record GFSK and
8DPSK test data.
4.3.3 TEST SETUP
4.3.4 TEST RESULTS
The test period: T= 500ms
1.
Channel 0:
2.402GHz
DH1
time slot=
0.397 (ms)* （1600/(2*79)） *
0.5 = 2.010
ms
DH3
time slot=
1.667 (ms)* （1600/(4*79)） *
0.5 = 4.220
ms
DH5
time slot=
2.911 (ms)* （1600/(6*79)） *
0.5 = 4.913
ms
2DH1
time slot=
0.411 (ms)* （1600/(2*79)） *
0.5 = 2.081
ms
2DH3
time slot=
1.680 (ms)* （1600/(4*79)） *
0.5 = 4.253
ms
2DH5
time slot=
2.924 (ms)* （1600/(6*79)） *
0.5 = 4.935
ms
3DH1
time slot=
0.411 (ms)* （1600/(2*79)） *
0.5 = 2.081
ms
3DH3
time slot=
1.667 (ms)* （1600/(4*79)） *
0.5 = 4.220
ms
3DH5
time slot=
2.924 (ms)* （1600/(6*79)） *
0.5 = 4.935
ms
2.
Channel 39
: 2.441GHz
DH1
time slot=
0.404 (ms)* （1600/(2*79)） *
0.5 = 2.046
ms
DH3
time slot=
1.655 (ms)* （1600/(4*79)） *
0.5 = 4.190
ms
DH5
time slot=
2.911 (ms)* （1600/(6*79)） *
0.5 = 4.913
ms
Antenna
EUT
Attenuator
Receiver
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