USER GUIDE LNA 1 2 3
Contents
1. CENTER Ke om T oa 62 men Y Eel oe ARP Mfo Under U S Pat 0A Height Vertical phase center offset from the antenna reference point or antenna reference plane ARP LNA SETUP RECOMMENDATIONS It is recommended that an external Low Noise Amplifier LNA and cables are used with the GPS 704 X antenna Cable lengths are determined by their loss A short cable should be connected between the antenna and the LNA with a maximum loss of 1 dB A longer cable with a maximum loss of 10 dB is permitted between the LNA and the receiver The following table provides some recommended specifications for choosing the external parts Components LNA Noise Figure LNA Bandwidth Specifications 1 5 dB LNA Bandwidth 11004700 MHz Group Delay Variation Across LNA Bandwidth LNA Gain 25 dB min WARRANTY POLICY NovAtel Inc warrants that its Global Positioning System GPS products are free from defects in materials and workmanship subject to the conditions set forth below for the following periods of time GPSAntenna Modules One 1 Year from date of sale Cables and Accessories Ninety 90 Days from date of sale Date of sale shall mean the date of the invoice to the original customer for the product NovAtel s responsibility respecting this warranty is limited solely to product repair at an authorized NovAtel location only Determination of repair will be made by NovAtel personnel or by tech nical personnel expressly authori2. GPS 704 X The GPS 704 X is a wide band passive antenna designed to operate at the following frequencies in MHz GPS L1 1575 42 L2 1227 60 and L5 1176 45 Galileo L1 1575 42 E5a and E5b 1164 1215 and E6 1215 1300 Glonass L1 1598 1611 5 and L2 1242 5 1254 3 OmniSTAR CDGPS differential correction services 1525 1559 This guide provides the basic information you need to install and begin using your new antenna ADDITIONAL EQUIPMENT REQUIRED The equipment listed below is required to set up the GPS 704 X e Amount such as a range pole tribrach or tripod with a 5 8 x 11 thread that extends between 3 8 and 7 8 9 mm and 22 mm e A 1 open end wrench e 1 short coaxial cable with a male TNC connector for the antenna e An external Low Noise Amplifier LNA e 1 coaxial cable between the receiver and the LNA e Power supply and power cable dependant on LNA SITE SELECTION GUIDELINES Before installing the antenna select a site that as closely as possible meets the following conditions for optimal performance e An unobstructed line of sight from horizon to horizon and at all bearings and elevation angles e As far as possible from reflective objects especially those that are above the antenna and any water bodies which can be a strong source of multipath reflections e f obstructions and reflective surfaces are within 30 m ensure the site is as high as possible Otherwise mount the ant
3. arate power source If you provide separate power 3 to the LNA you must insert a DC block between the LNA and the receiver ANTENNA CARE The GPS 704 X is designed to withstand the elements including rain snow and dust However to ensure your antenna performs optimally keep the radome the top surface of the antenna clean and brush off any ice and snow In addition ensure the TNC connector remains clean and dry and replace the dust cap when a cable is not connected ELEVATION GAIN PATTERNS Peak Gain 6 0 dBic Amplitude Roll off 13 to 15 dB Amplitude Roll off 10 to 12 dB Peak Gain 2 5 dBic Scale 5 dB Ring scale 5 dB Ring GPS L5 Galileo E5a Peak Gain 2 0 dBic Amplitude Roll off 10 to 12 dB Scale 5 dB Ring SPECIFICATIONS RF Gain roll off zenith to horizon L1 14 L2 11 L5 11 dB POWER See the LNA Setup section of this guide PHYSICAL 5mm 728 ENVIRONMENTAL 40 C to 85 C 40 F to 185 F 55 C to 85 C 67 F to 185F MECHANICAL DRAWINGS All dimensions are in millimeters mm where 1 inch 25 4 mm TOP VIEW Tape measure SIDE VIEW PHASE CENTER BOTTOM VIEW station ve goa Pane NN MMs 4 z m 185 i 170 S Height 40 W101 i S VNNALNV X0L SdD NY WY HA PHASE
4. enna as low as possible INSTALLING THE ANTENNA After a site has been selected install the antenna as follows 1 Verify that the thread on the mount does not extend more than 7 8 22 mm to ensure the plastic inside the antenna receptacle is not damaged when the mount is inserted If it extends further than 7 8 22 mm add two jam nuts to shorten the exposed thread ensuring the nuts are well tight ened 2 Align the mount thread with the metal adapter on the bottom of the antenna and rotate the antenna clockwise until it is securely screwed to the mount Using a wrench tighten the adapter to the mount LT OPE Metal l adapter 5 8 x 11 E i ao thread 3 8 7 8 9 22 mm Jam nuts or flange Mount lt The metal adapter on the bottom of the antenna is fixed in place Do not attempt to remove it 3 Remove the dust cap from the antenna s TNC connector 4 Attach the male TNC connector of the coaxial cable to the antenna s TNC connector Mount an LNA close to the RF output of the antenna see LNA Setup later in this guide TNC connector Ts cable 5 Attach the other end of the coaxial cable to an LNA 1 below see the LNA Setup section of this guide All NovAtel GPS receivers provide a 5 V power source for the LNA through their antenna RF connectors 2 User supplied Manannan power 3 The LNA may either receive power from a NovAtel receiver or a sep
5. nsing or products or services In no event shall NovAtel be liable for special indirect incidental or consequential damages of any kind or nature due to any cause There are no user serviceable parts in the GPSAntenna and no mainte nance is required If the unit is faulty replace with another unit and return the faulty unit to NovAtel Inc You must obtain a RETURN MATE RIAL AUTHORIZATION RMA number by calling NovAtel Customer Service at 1 800 NOVATEL U S and Canada only or 403 295 4900 before shipping any product to NovAtel or a dealer Once you have obtained an RMA number you will be advised of proper shipping proce dures to return any defective product When returning any product to NovAtel please return the defective product in the original packaging to avoid damage lt Before shipping any material to NovAtel or Dealer please obtain a Return Material Authorization RMA number from the point of pur chase You may also visit our website at http Awww novatel com and select Support Repair Request from the menu WEEE NOTICE If you purchased your 704 X in Europe please return it to your dealer or Supplier at the end of its life The objectives of the European Commu nity s environment policy are in particular to preserve protect and improve the quality of the environment protect human health and utilise natural resources prudently and rationally Sustainable development advocates the reduction of wasteful consumption of na
6. tural resources and the prevention of pollution Waste electrical and electronic equip ment WEEE is a regulated area Where the generation of waste cannot be avoided it should be reused or recovered for its material or energy WEEE products may be recognised by their wheeled bin label RoHS NOTICE The 704 X is compliant with the European Union EU Restric tion of Hazardous Substances ROHS Directive 2002 95 EC PATENT NOTICE The GPS 704 X is manufactured and protected under U S Patents 6 445 354 B1 6 452 560 B2 and patent pending File No 16437 0225 QUESTIONS OR COMMENTS If you have any questions or comments regarding your GPS 704 X antenna please contact NovAtel Customer Service using one of methods provided below Email support novatel ca Web www novatel com Phone 1 800 NOVATEL U S amp Canada 403 295 4900 International Fax 403 295 4901 ONY rN User Guide COW 704 X AY Copyright 2005 2006 NovAtel Inc All rights reserved Printed in Canada on recycled paper Unpublished rights reserved under international copyright laws Recyclable OM 20000101 Rev 2 April 27 2006
7. zed by NovAtel for this purpose The foregoing warranties do not extend to i nonconformities defects or errors in the products due to accident abuse misuse or negligent use of the products or use in other than a normal and customary manner environmental conditions not conforming to NovAtel s specifications or failure to follow prescribed installation operating and maintenance procedures ii defects errors or nonconformities in the products due to modifications alterations additions or changes not made in accordance with NovAtel s specifica tions or authorized by NovAtel iii normal wear and tear iv damage cause by force of nature or act of any third person v shipping damage or vi Service or repair of product by the dealer without prior written consent from NovAtel In addition the foregoing warranties shall not apply to products desig nated by NovAtel as beta site test samples experimental develop mental preproduction sample incomplete or out of specification products or to returned products if the original identification marks have been removed or altered The warranties and remedies are exclusive and all other warranties express or implied written or oral including the implied warranties of merchantability or fitness for any particular purpose are excluded NovAtel shall not be liable for any loss damage or expense arising directly or indirectly out of the purchase installation operation use or lice
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