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Document Number: 45157
2
Revision: 15-Jun-10
VJ 6040
Vishay Vitramon
VJ 6040 UHF Chip Antenna for Mobile Devices
Figure 2 displays the measured and simulated radiation efficiency of VJ 6040 over frequency.
Fig. 2 - Radiation Efficiency vs. Frequency
Applications that do not require full coverage of the UHF band can gain an additional two to three dBi by removing the tuning
circuit. In this case the antenna can be fixed to any 150 MHz band within the UHF range.
RADIATION PATTERN
The 3D planes of VJ 6040 are defined in figure 3.
Fig. 3 - VJ 6040 3D Plane Definition
0
5
10
15
20
25
30
35
Fr
n    MHz
460   510   560   610   660   710   760   810   860
40
Measured value
Simulated value
Z
X
Y
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