ACTPAT182 ACTIVE GPS ANTENNA
Functional Specification
Inventek Systems, LLC
239 Littleton Road, Suite 4D
Westford, Massachusetts 01886
978‐392‐2202
Inventek Systems, LLC
ACTPAT182 Functional Specification Version 0.2
PRELIMINARY
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© 2008 Inventek Systems, LLC
239 Littleton Road, Suite 4D
Westford, Massachusetts 01886
978‐392‐2202
978‐692‐3502 (Fax)
Visit us at http://www.inventeksys.com/
Inventek Systems, LLC, reserves the right to make changes to its products, specifications and
other information at any time without notice. Inventek Systems assumes no liability or responsibility for
any claims or damages arising out of the use of this document, or from the use of products based on this
document, including, but not limited to claims or damages based on infringement of patents, copyrights
or other intellectual property rights. Inventek Systems makes no warranties, either express or implied
with respect to the information and specifications contained in this document. Performance
characteristics listed in this document do not constitute a warranty or guarantee of product
performance.
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ACTPAT182 Functional Specification Version 0.2
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Inventek Systems, LLC
Contents
Contents .................................................................................................................................................................... 3
Overview.................................................................................................................................................................... 4
Mechanical ................................................................................................................................................................ 5
Thermal...................................................................................................................................................................... 5
Power .................................................................................................................................................................... 5
Patch Characteristics............................................................................................................................................. 6
Active Antenna and LNA Characteristics ................................................................................................................... 6
Far field amplitude excluding the LNA gain............................................................................................................... 7
Shipping ..................................................................................................................................................................... 8
Ordering Information ................................................................................................................................................ 8
Figure 1 Patch Dimension (mm) ................................................................................................................................ 5
Table 1 Mechanical.................................................................................................................................................... 5
Table 2 Antenna Temperature .................................................................................................................................. 5
Table 3 Power Requirements .................................................................................................................................... 5
Inventek Systems, LLC
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Overview
Inventek’s GPS antenna, part number, ACTPAT182‐01‐IP is designed to work with a variety of GPS receivers. The
active antenna is designed to snap directly onto the Inventek GPS modules ISM300F1 and ISM300F2 Family of
GPS receivers.
The standard model is made from ceramic and comes with a LNA and mini coaxial 1.13mm cable with a U.FL RF
connector that you can mount it directly on the board or attach to your GPS receiver. The active antenna can be
used in a variety of applications including automotive with an impedance of 50 ohms.
The antenna, P/N ACTPAT182‐01‐IP lets you integrate low cost GPS functionality into your product quickly and
easily. It’s suitable for a wide range of applications, including the most compact:
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Hand‐held personal positioning and navigation
External PDAs, Pocket PCs and other hand‐held computers
Fleet management
Asset tracking
Automatic vehicle location
The ACTPAT182‐01‐IP provides world class performance suits it to navigating urban canyons, as well as wide‐
open spaces. Being lead‐free, it complies with the European Union’s RoHS (Restriction of Hazardous Substances)
directive.
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ACTPAT182 Functional Specification Version 0.2
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Inventek Systems, LLC
Mechanical
Table 1 summarizes the dimensions of the Antenna.
Parameter
Rectangular
Width
Color
Impedance
Connector
Value
18.6 x 18.6 mm
4.9 ± 0.2 mm including Shield
Black with silver shield
50 Ohms
IPEX U.FL ( MHFI)
Table 1 Mechanical
Figure 1 Patch Dimension (mm)
Thermal
Name
Operation Temperature range
Storage temperature
Humidity
Frequency Temp Coefficient
‐40 to +85 °C
‐40 to +90 °C
10 to 95% RH
20 max ppm/ °C at ‐40 to ‐90 °C
Table 2 Antenna Temperature
Power
Table 3 summarizes the Antenna’s power requirements.
Parameter
VCC
Continuous tracking
Value
2.7–5.4 V dc
10 mA @ 3 Volts
Table 3 Power Requirements
You can reduce power consumption by turning on the antenna and only when needed to acquire a fix.
Inventek Systems, LLC
ACTPAT182 Functional Specification Version 0.2
PRELIMINARY
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