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Technical Specification

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1. eese 11 Annual Cala pas 11 Replacement and Optional 12 Ana 12 3 05 5 13 ElectriCali SPeCiICAlONS 13 Physical SDC CHICANOS E E ANG 13 4 0 Mounting Instructions 1 15 Using Included Mounting Adapters sse 15 Mode SL 16 Mode 17 Moder 18 5 0 Circular 2 crinis canina 19 Right Hand Circular 19 Left Hand Circular 20 6 0 Typical DAA da 21 Model TN 21 Model 3101 Antenna dr ER Eben ne ei ud uns 21 Model 51108 22 Model SJAL VS VV IR sere 22 Model 3101 Forward Power 1 Meter 23 a a NS 24 Model 9402 Antenna 24 Model 102 F 24 Models ANS Oa sta 25 Model 3102 Forward Power 1 Meter 25 Modal STOS T 26 Model 3103 Antenna Facior ici KA 26 Mode S103 G 26 Model 3103 VSWR iran 27 Mode
2. FREQ GH 00 4 5 6 7 9 10 25 3 1 1 2 MODEL 3102 GAIN 24 Typical Data MoDEL 3102 VSWR MODEL 3102 FORWARD POWER 1 METER 25 Typical Data Model 3103 MODEL 3103 ANTENNA FACTOR 26 Typical Data MODEL 3103 VSWR FROM AF gt 1000 Typical Data 27 This page intentionally left blank 28 Typical Data Appendix Warranty See the Product Information Bulletin included with your shipment for the complete ETS Lindgren warranty for your Conical Log Spiral antennas DURATION OF WARRANTIES FOR CONICAL LOG SPIRAL 5 All product warranties except the warranty of title and all remedies for warranty failures are limited to two years Product Warranted Duration of Warranty Period Model 3100 Series Conical Log 2 Years Spiral Antennas Warranty 29
3. 20 adapter for a tripod or other mounting configuration is attached to the antenna near its horizontal center of gravity or at the antenna base plate The Conical Log Spiral antennas receive both circular polarized and linear polarized fields with a 3 dB variance for linear fields under normal operating conditions Model 3101 Model 3102 and Model 3103 are right hand wound and transmit and receive a left hand circularly polarized wave Model 3101L Model 3102L and Model 3103L are left hand wound and transmit and receive a right hand circularly polarized wave During the manufacturing process each antenna is individually calibrated at 1 meter per SAE ARP 958 Typical antenna data is included beginning on page 21 Actual factors and a signed Certificate of Calibration Conformance are shipped with each antenna Standard Configuration e Left hand circular polarization e Support rod e Support base configured to accept ETS Lindgren or other tripod mount with standard 1 4 20 threads Introduction 7 Optional Items RIGHT HAND CIRCULAR POLARIZATION This option reverses the antenna windings for right hand polarization See Circular Polarization on page 19 TRIPOD OPTIONS ETS Lindgren offers the following nonmetallic non reflective tripods for use at both indoor and outdoor EMC test sites phenolic and delrin designed with an adjustable center post for precise height adjustments Maximum height is 2 0 m 80 0 in a
4. Short Term 150 watts 100 Watts 150 Watts Peak Power Physical Specifications Model 3101 Model 3102 Model 3103 81 3 cm 38 1 cm 102 0 cm Length 32 0 in 15 0 in 40 0 in 33 0 cm 12 7 cm 66 0 cm Diameter 13 0 in 5 0 in 26 0 in 4 5 kg 3 6 kg 10 0 kg 10 0 Ib 8 0 lb 22 0 Ib Specifications 13 This page intentionally left blank 14 Specifications 4 0 Mounting Instructions CAUTION Connesnnd any components follow the safety information in the ETS Lindgren Product Information Bulletin included with your shipment CAUTION Do not moun the Model 3100 Series Conical Log Spiral antennas onto a 2x2 boom Using Included Mounting Adapters The Model 3100 Series Conical Log Spiral antennas ship with these mounting adapters e 101942B Support Base Ships with all Model 3100 Series antennas Support Rod e 101941 Support Rod Ships with Model 3101 e 101943B Support Rod Ships with Model 3102 101844 with Model 3103 e Mounting Instructions 15 MODEL 3101 To use the included adapters to mount the Model 3101 to 4 TR Tripod 7 TR Tripod or mast Do not cross thread any connections or permanent could occur 1 Thread the support the support K NN 2 Thread the other end f th rtr 2 105 d Mounting block into the mounting block on the antenna Support rod support base not
5. concerning maintenance contact ETS Lindgren Customer Service Maintenance Recommendations If the Conical Log Spiral antennas are used outdoors periodically check them for water accumulation Water has high dielectric constant and can alter the performance of the antenna Annual Calibration See the Product Information Bulletin included with your shipment for information on ETS Lindgren calibration services Maintenance 11 Replacement and Optional Parts Following are the part numbers for ordering replacement and optional parts for the Model 3100 Series Conical Log Spiral antennas Part Description Part Number Right hand wound left hand circularly polarized wave e Model 3101 3101 e Model 3102 3102 e Model 3103 3103 Left hand wound right hand circularly polarized wave e Model 3101 31011 e Model 3102 31021 e Model 3103 31031 Support Base 101942B for all Model 3100 Series antennas Model 3101Support Rod 101941 Model 3102 Support Rod 101943B Model 3103 Support Rod 101944 Service Procedures For the steps to return a system or system component to ETS Lindgren for service see the Product Information Bulletin included with your shipment 12 Maintenance 3 0 Specifications Electrical Specifications Model 3101 Model 3102 Model 3103 F bate d 200 2 1 GHz 1GHz 10 GHz 100MHz 1 GHz Range 41 VSWR 2 1 6 1 1 9 1 Avg Maximum Continuous 100 Watts 50 Watts 100 Watts Power
6. Model 3100 Series Conical Log Spiral Antennas User Manual SETS LINDGREN 0 Technologies Compa ETS Lindgren L P reserves the right to make changes to any product described herein in order to improve function design or for any other reason Nothing contained herein shall constitute ETS Lindgren L P assuming any liability whatsoever arising out of the application or use of any product or circuit described herein ETS Lindgren L P does not convey any license under its patent rights or the rights of others Copyright 2002 2008 by ETS Lindgren L P All Rights Reserved No part of this document may be copied by any means without written permission from ETS Lindgren L P Trademarks used in this document The ETS Lindgren logo is a trademark of ETS Lindgren L P Revision Record MANUAL MODEL 3101 3102 3103 Part 4399276 Rev B Bovision Desto oe Initial Release September 2002 Updated Gain chart for Model 3101 July 2008 rebrand Table of Contents Notes Cautions and Warnings V TO IAUOAUENON Pe 7 Standard ContiQuratlon 7 Optional EMIS on 8 Right Hand Circular Polarization 8 TIPO glos mc a Sand 8 ETS Lindgren Product Information Bulletin 9 2 0 Maintenant e ettet 11 Maintenance Recommendations
7. l 3103 Forward Power 1 27 Appendix A Warranty ssneevnnnnvevnnnnnvrvnnnvevnnnnvevnnnnnvennnnnvennnnvennnn 29 Notes Cautions and Warnings Note Denotes helpful information intended to provide tips for better use of the product CAUTION Caution Denotes a hazard Failure to follow instructions could result in minor personal injury and or property damage Included text gives proper procedures Warning Denotes a hazard Failure to follow WARNING instructions could result in SEVERE personal injury and or property damage Included text gives proper procedures See the ETS Lindgren Product Information Bulletin for safety regulatory and other product marking information This page intentionally left blank vi 1 0 Introduction The ETS Lindgren Model 3100 Series Conical Log Spiral antennas are circularly polarized broadband antennas covering the frequency range of 100 MHz to 10 GHz This family of antennas includes the Model 3101 Model 3102 and the Model 3103 The Conical Log Spiral antennas are designed specifically for EMI measurements and compliance testing as called for in various Military Standards Each antenna is constructed of a fiberglass cone upon which two logarithmic spirals of 50 ohm coaxial cable are securely fastened Outside windings improve heat dissipation The coaxial connectors are located in the phenolic base plate of the cone A 1 4
8. nd minimum height is 94 cm 37 0 in This tripod can support up to an 11 8 kg 26 0 Ib load e 4 TR Tripod Constructed of linen I 8 Introduction e 7 TR Tripod Constructed of PVC and fiberglass components providing increased stability for physically large antennas The unique design allows for quick assembly disassembly and convenient storage Allows several different configurations including options for manual or pneumatic polarization Quick height adjustment and locking wheels provide ease of use during testing Maximum height is 2 17 m 85 8 in with a minimum height of 8 m 31 8 in This tripod can support a 13 5 kg 30 lb load ETS Lindgren Product Information Bulletin See the ETS Lindgren Product Information Bulletin included with your shipment for the following e Warranty information e Safety regulatory and other product marking information e Steps to receive your shipment e Steps to return a component for service e ETS Lindgren calibration service e ETS Lindgren contact information Introduction 9 This page intentionally left blank 10 Introduction 2 0 Maintenance CAUTION Before pertorming any follow the safety information in the ETS Lindgren Product Information Bulletin included with your shipment Maintenance of the Conical Log Spiral antennas is limited to external components such as cables or connectors WARRANTY If you have any questions
9. shown 3 Attach the support base to the 4 TR 7 TR or mast 16 Mounting Instructions MODEL 3102 To use the included adapters to mount the Model 3101 to 4 TR Tripod 7 TR Tripod or mast Do not cross thread any connections or permanent could 1 Align the through holes Through holes Threaded on the support rod with mount to attaches to antenna support base the back plate of the antenna NG Ct Back plate Support rod support base not shown 2 Insert the mounting screws included into the through holes and back plate Tighten to secure the rod into place Do not over tighten 3 Attach the support base to the 4 7 TR or mast Mounting Instructions 17 MODEL 3103 To use the included adapters to mount the Model 3101 to 4 TR Tripod 7 TR Tripod or mast Do not cross thread any connections or permanent could occur 1 Thread the support rod into the support 22 2 Thread the other end LAA of the support A block on the E antenna Support rod support base not shown 3 Attach the support base to the 4 TR 7 TR or mast 18 Mounting Instructions 5 0 Circular Polarization Right Hand Circular Polarization Feed point at tip c antenna Right hand wound booking fram tip of antenna Electric field voltage maxima propa gate s from tip c antenna to rear along spiral tran
10. smission line Right hand wound Results in left hand circular palarized wave looking in the prope gation direction from the rear of the artenna Electromagnetic wave propagates away from antenna with the same polarization as the electric field vector at the point in space and tine from which t was launched eG Circular Polarization 19 Left Hand Circular Polarization Feed point at tip c antenna Left hand wound hooking fram tip of antenna Electric field voltage maxima propa gate s from tip c antenna to rear along spiral transmission line Left hand wound Results in ight hand circular palarized wave looking in the propagation direction from the rear d the antenna Ey Electromagnetic wave propagatez away from antenna withthe same polarization as the electric field vector at the point in space and time from which t was launched 20 Circular Polarization 6 0 Typical Data gt Typical data measurements taken at one meter spacing Model 3101 MODEL 3101 ANTENNA FACTOR 1 IT TT UT NITH Aa M 7 00 600 700 800 900 1000 15 FREO MHz 400 Typical Data 21 MoDeL 3101 GAIN TT Mese LLL 11111111 200 FREQ MHz 400 300 1000 22 Typical Data MODEL 3101 FORWARD POWER 1 METER moss Vim man Vim ERU Vim MAXIMUM POWER COBRE RE Typical Data 23 Model 3102 MODEL 3102 ANTENNA FACTOR P of

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