Antenna
PCB motherboard
Figure 29. Requirements for antenna projection area
•
Structure of monopole antenna
For details, see
•
Feed point of monopole antenna
For details, see
.
•
The height and area requirements for monopole antenna are described in the
following table.
Operating Band
Height
Area
GSM/DCS
> 5 mm
> 35 mm x 7 mm
GSM/DCS/PCS
> 6 mm
> 35 mm x 8 mm
GSM850/GSM900/DCS1800/PC
S1900
> 6 mm
> 40 mm x 10 mm
For details about CDMA/EVDO/WCDMA/LTE/TD-SCDMA antenna
design, refer to the area requirement of GSM antenna.
IFA antenna
IFA antenna shares similarity with Monopole antenna and PIFA antenna. IFA antenna has
two feeding branches, and allows ground under the antenna. The antenna has better
stability than Monopole antenna, and the antenna space requirement is between
Monopole antenna and PIFA antenna.
6. Radio Frequency
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