Applanix APX-18 Donanım Entegrasyon Kılavuzu - Sayfa 13
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7. Antenna Requirement
The APX-18 is designed to support a wide variety of GNSS antenna elements. GNSS
band coverage will be dictated by the bandwidth of the chosen antenna. The unit is
capable of supporting antenna elements with a minimum LNA gain of 32 dB.
The recommended antenna electrical specifications are outlined below:
Frequency:
VSWR:
Bandwidth:
Impedance:
Peak Gain:
Amplifier Gain* (without cable loss)
Noise Figure:
Output VSWR:
Filtering:
DC Voltage:
DC Current:
* Required LNA Gain does not account for Antenna cable insertion loss.
The antenna choice is subject to the particular platform the APX-18 is being used on.
Special care of antenna placement must be taken during integration of the system to
minimize the impact of possible interferences. Failure to do so will result in the system
not meeting its specification.
COPYRIGHT © APPLANIX CORPORATION, 2017
ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION MAY BE REPRODUCED, STORED IN A RETRIEVAL SYSTEM OR TRANSMITTED IN ANY FORM
OR BY ANY MEANS WITHOUT THE PRIOR WRITTEN CONSENT OF APPLANIX CORPORATION.
1565.5 to 1614 MHz
1217 to 1257 MHz
2.0 max.
60 MHz min.
50Ω
4dBic min.
+32 to +41 dB typical
1.5 dB typical
1.5:1 typical
-30dB (±100 MHz)
+3.3 to +5V dc
300mA max
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