ETS-Lindgren 3147 User Manual
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ETS-Lindgren 3147 User Manual

Log periodic dipole antenna
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Model 3147
Log Periodic
Dipole Antenna
User Manual

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Summary of Contents for ETS-Lindgren 3147

  • Page 1 Model 3147 Log Periodic Dipole Antenna User Manual...
  • Page 2 © Copyright 1999–2010 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. Revision Record MANUAL 3147 LOG PERIODIC ANTENNA | Part #399160, Rev. F Revision Description Date...

  • Page 3: Table Of Contents

    Table of Contents Notes, Cautions, and Warnings ..........v 1.0 Introduction ................7 2.0 Maintenance ............... 11 3.0 Specifications ..............13 4.0 Mounting Instructions ............15 5.0 Operation ................21 6.0 Typical Data ................ 23 7.0 Radiated Emissions Measurement ........31 8.0 Power Requirements ............
  • Page 4 Appendix A: Typical Antenna Patterns ......... 41...

  • Page 5: Notes, Cautions, And Warnings

    Notes, Cautions, and Warnings Note: Caution Warning...

  • Page 7: Introduction

    1.0 Introduction ETS-Lindgren Model 3147 Log Periodic Dipole Antenna Do not disassemble or drop the antenna or the thin elements may be damaged.
  • Page 8 Regarding Calibration of Log Periodic Dipole Antennas •...
  • Page 9 ETS-Lindgren Product Information Bulletin • • • • • •...

  • Page 11: Maintenance

    2.0 Maintenance Before performing any maintenance, follow the safety information in the ETS-Lindgren Product Information Bulletin included with your shipment. Maintenance Recommendations Annual Calibration Service Procedures...

  • Page 13: Specifications

    3.0 Specifications Electrical Specifications Frequency Range: VSWR: Average: Maximum: Impedance: Ω Maximum Continuous Input Power: Maximum Peak Input Power: Connector: Physical Specifications Height: Width: Depth: Weight:...

  • Page 15: Mounting Instructions

    Before connecting any components, follow the safety information in the ETS-Lindgren Product Information Bulletin included with your shipment. The Model 3147 is a precision measurement device. Handle with care. Using Included Mounting Adapters • 100989 Polarizing Mounting Adapter with 7/8–14 thread receptacle •...
  • Page 17 Additional Mounting Options 4-TR M OUNTING PTIONS...
  • Page 18 7-TR OUNTING PTIONS • •...
  • Page 19 OUNTING PTIONS...

  • Page 21: Operation

    5.0 Operation Before connecting any components, follow the safety information in the ETS-Lindgren Product Information Bulletin included with your shipment. Model 3147 Assembly Instructions Model 3147 Use...

  • Page 23: Typical Data

    6.0 Typical Data Typical VSWR for Model 3147...
  • Page 24 Typical Antenna Factor and Gain for Model 3147...
  • Page 26 Beamwidth for Horizontally and Vertically Polarized Model 3147...
  • Page 28 Front-to-Back Ratio for Model 3147...
  • Page 29 Cable Attenuation (dB) at 20°C for 6-M Cable...
  • Page 30 Typical Antenna Pattern for 200 MHz and 300 MHz...

  • Page 31: Radiated Emissions Measurement

    7.0 Radiated Emissions Measurement Before connecting any components, follow the safety information in the ETS-Lindgren Product Information Bulletin included with your shipment. Ω...
  • Page 32 Conversion Factors...
  • Page 33 Ω η η π Ω π π π π...

  • Page 35: Power Requirements

    8.0 Power Requirements 3 meters...
  • Page 36 Power Requirements Table 80 W ATTS ONTINUOUS OWER Field Strength (E) Freq Gain Gain 1 V/m 10 V/m 20 V/m (MHz) (dB) (num)
  • Page 37 Field Strength (E) Freq Gain Gain 1 V/m 10 V/m 20 V/m (MHz) (dB) (num)
  • Page 38 40 W ATTS ONTINUOUS OWER Field Strength (E) Freq Gain Gain 1 V/m 10 V/m 20 V/m (MHz) (dB) (num)
  • Page 39 Field Strength (E) Freq Gain Gain 1 V/m 10 V/m 20 V/m (MHz) (dB) (num)
  • Page 41 Appendix A: Typical Antenna Patterns 400 MH 500 MH...
  • Page 42 600 MH 700 MH...
  • Page 43 800 MH 900 MH...
  • Page 44 1.0 GH 1.5 GH...
  • Page 45 2.0 GH 2.5 GH...
  • Page 46 3.0 GH 3.5 GH...
  • Page 47 4.0 GH 4.5 GH...
  • Page 48 5.0 GH...
  • Page 49 Appendix B: Warranty 3147 URATION OF ARRANTIES FOR ODEL Product Warranted Duration of Warranty Period...

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