MARCH 2003 GPS ANTENNA WITH LOW NOISE AMPLIFIER GPA-017S SPECIFICATION BY FURUNO ELECTRIC CO., LTD. SYSTEM PRODUCTS DEVELOPMENT & MARKETING DIVISION No part of this manual may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, for any purpose without the express written permission of the publisher, FURUNO ELECTRIC CO., LTD. © 2003 FURUNO ELECTRIC CO., LTD. All rights reserved. The Global Positioning System (GPS) is operated by the U. S. DoD and is subject to U. S. Government Selective Availability (SA) policy, thus FURUNO is not liable for the degradation by SA. Users are expected to be familiar with the System and make full use of it with their own responsibility. FURUNO ELECTRIC CO., LTD. reserves the right to make changes to it’s products and specifications without notice. CONTENTS 1. Scope ..............................................................................................................................1 2. Model name....................................................................................................................1 3. performance 3.1. Ratings ..................................................................................................................1 3.2. Electrical characteristics .....................................................................................1 3.2.1. Antenna characteristics .............................................................................1 3.2.2. LNA ...............................................................................................................1 1. Scope This paper describes outer shape, mechanism and characteristics of GPS antenna. 2. Model name GPS antenna GPA-017S 3. Performance 3.1. Ratings Item Rating Operating temperature -25°C to +65°C Storage temperature -35°C to +75°C Operating relative humidity <95% RH (without condensation) Power voltage 5.0VDC 3.2. Electrical characteristics 3.2.1 Antenna Item Remarks Frequency range 1,575.42MHz ± 1.023MHz Polarization R. H. C. P. (Right Hand Circular Polarization) > 2.0dBi (at 90°° elev. angle) Gain > -4.0dBi (at 10°° elev. angle) Axial ratio < 4.0dBi (at 90°° elev. angle) 3.2.2. LNA (not including cable, at 25 ± 5°C, 65 ± 20% humidity) Item Ratings Criteria for environmental tests Frequency range 1,575.42MHz ± 1.023MHz 1,575.42MHz ± 1.023MHz Gain 27.5 ± 5.5dB 26.5 ± 5.5dB Noise figure <1.6 dB <1.8dB Out band attenuation fo ± 20MHz (>7dB) fo ± 20MHz (>6dB) fo ± 50MHz (>20dB) fo ± 50MHz (>19dB) fo ± 100MHz(>30dB) fo ± 100MHz(>28dB) (fo=1575.42MHz) (fo=1575.42MHz) Output VSWR <2.0 <2.0 Supply voltage 4.75 ± 0.75VDC (See Note *1) Power consumption <25mA *1 Supply voltage: Reversed Bias-T may cause damage. -1-