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PRODUCT: GPS Antenna
Ethertronics’ Savvi TM GPS Embedded Antenna Specifications
Ethertronics produces a wide variety of standard and custom antennas to meet user needs.
Below are the typical specs for a GPS application.
Electrical Specifications
Typical Characteristics
(inside an enclosure)
Mechanical Specifications
BT/GPS Antenna
Peak
Average Gain
Average Efficiency
Point Back Ratio
Point Handling
VSWR Match
Feed Front to Impedance
Feed Power Impedance
Handling
Power Polarization
Size
Mounting
Packaging
1.575 GHz
-2.5
1.78 dBi
75%
2.0:1
1.7:1 max
dB
.5 Watt cw
50 ohms -6 unbalanced
50 ohms unbalanced
Watt
.5 Linear cw
8x3x1.3mm
Surface mount
Tape & Reel
Typical Efficiency,
Return Loss
Antenna Radiation
Patterns
Typical Performance
The efficiency and return loss, indicated below, will shift about 12 MHz toward the GPS
carrier frequency when antennas are placed in wireless devices.
1.575 GHz Band
Ethertronics’ Test Board
PCB: 40x80mm
Phi = 0 o Plane
Phi = 90 o Plane
Theta = 90 o Plane
z ( θ =0 o )
y ( Φ =90 o )
x ( Φ =0 o )
? 2009 Ethertronics. All rights reserved. Ethertronics, the Ethertronics logo, shaping antenna technology, Savvi, Isolated Magnetic Dipole and the
iMD logo are trademarks of Ethertronics. All other trademarks are the property of their respective owners.
Specifications subject to change and are dependent upon actual implementation.
GPS 03/27/09
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