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ESCO Technologies ETS LINDGREN 3127 User Manual

Resonant loop antenna
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Model 3127
Resonant Loop Antenna
User Manual
April, 2020
399277 Rev E

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Summary of Contents for ESCO Technologies ETS LINDGREN 3127

  • Page 1 Model 3127 Resonant Loop Antenna User Manual April, 2020 399277 Rev E...
  • Page 3 ETS-Lindgren Inc. reserves the right to make changes to any products herein to improve functioning or design. Although the information in this document has been carefully reviewed and is believed to be reliable, ETS-Lindgren does not assume any liability arising out of the application or use of any product or circuit described herein; nor does it convey any license under its patent rights nor the rights of others.

  • Page 5: Table Of Contents

    TABLE OF CONTENTS NOTES, CAUTIONS AND WARNINGS SAFETY INFORMATION GENERAL SAFETY CONSIDERATIONS INTRODUCTION ETS-Lindgren Product Information Bulletin ....10 MAINTENANCE Maintenance Recommendations ......11 Replacement Parts .
  • Page 7 NOTES, CAUTIONS AND WARNINGS Note: Denotes helpful information intended to provide tips for better use of the product. 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.

  • Page 8: General Safety Considerations

    GENERAL SAFETY CONSIDERATIONS Before power is applied to this instrument, ground it properly through the protective conductor of the AC power cable to a power source provided with the protective earth contact. Any interruption of the protective (grounding) conductor, inside or outside the instrument, or disconnection of the protective earth terminal could result in personal injury.

  • Page 9: Introduction

    INTRODUCTION ETS-Lindgren Model 3127 Resonant Loop Antennas are magnetic dipole antennas designed to meet the Cellular Telecommunication and Internet Association’s (CTIA) +/- 0.1 dB symmetry requirement for ripple test measurements at the labeled center frequency. These omni-directional antennas have a magnetic dipole pattern approaching that of a half wave resonant electric dipole.

  • Page 10: Ets-Lindgren Product Information Bulletin

    ETS-Lindgren Product Information Bulletin See the ETS-Lindgren Product Information Bulletin included with your shipment for the following: • Warranty information • Safety, regulatory, and other product marking information • Steps to receive your shipment • Steps to return a component for service •...

  • Page 11: Maintenance

    MAINTENANCE CAUTION: Before performing any maintenance, follow the safety information in the ETS Lindgren Product Information Bulletin included with your shipment. WARNING: Maintenance of the Model 3127 is limited to external components such as cables or connectors. Only qualified personnel should operate (or service) this equipment. If WARRANTY you have any questions concerning maintenance, contact ETS Lindgren Customer Service.

  • Page 13: Specifications

    SPECIFICATIONS Electrical Specifications VSWR Ratio (Average) <5:1 Typical Max. Continuous Power 1 Watt Impedance (Nominal) 50 Ohms Connector Note: All loops are tested to ensure the symmetry is less than 0.2 dB over a 10 MHz span from the center frequency. Physical Specifications (General) Diameter A 1.9 cm (0.75 in)

  • Page 14: Physical Specifications 3127-3600

    Physical Specifications 3127-3600 Diameter A 1.9 cm (0.75 in) Diameter B 3.69 cm (1.46 in) Length 16.2 cm (6.36 in) Physical Specifications 3127-5500 Diameter A 1.9 cm (0.76 in) Diameter B 3.3 cm (1.30 in) Length 16.8 cm (6.62 in)

  • Page 15: Operation

    OPERATION CAUTION: Before placing into operation, follow the safety information in the ETS-Lindgren Product Information Bulletin included with your shipment. Mounting Note: All mounting items mentioned in this section are options. Please contact ETS-Lindgren Customer Service for additional information. The Model 3127 Resonant Loop Antennas should be mounted to a support at the connector end of the antenna. An ETS Lindgren mounting kit is recommended to support the antenna.

  • Page 17: Appendix A: Warranty

    APPENDIX A: WARRANTY See the Product Information Bulletin included with your shipment for the complete ETS-Lindgren warranty for your Model 3127. All product warranties, except the warranty of title, and all remedies for warranty failures are limited to the duration specified in the table.

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