Design of Antennas for Handheld DVB-H ... - Lunds tekniska högskola
Design of Antennas for Handheld DVB-H ... - Lunds tekniska högskola
Design of Antennas for Handheld DVB-H ... - Lunds tekniska högskola
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Power gain / dB<br />
2<br />
0<br />
-2<br />
-4<br />
-6<br />
-8<br />
-10<br />
-12<br />
Switched monopole 2 vs specification<br />
470 510 550 590 630 670 710<br />
Frequency / MHz<br />
67<br />
Specification<br />
Circuit 1<br />
Circuit 2<br />
Circuit 3<br />
Circuit 4<br />
Figure 5.19. Gain <strong>for</strong> the four different matching networks <strong>of</strong> switched monopole<br />
2 versus specification.<br />
Table 5.5. Switched monopole 2, gain and efficiency results.<br />
Switched monopole 2<br />
Frequency Gain Efficiency<br />
470 -6.12 7.7<br />
490 -5.58 9.3<br />
510 -4.91 10.9<br />
530 -6.22 10.4<br />
550 -5.39 14.4<br />
570 -3.89 18.5<br />
590 -1.35 24.6<br />
610 -0.59 27.3<br />
630 -1.58 27.5<br />
650 -1.11 35.1<br />
670 -2.44 45.9<br />
690 -2.90 40.9<br />
710 -3.60 34.6