ETS-Lindgren 3104C User Manual

ETS-Lindgren 3104C User Manual

Biconical antenna

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Model 3104C
Biconical Antenna
User Manual

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Summary of Contents for ETS-Lindgren 3104C

  • Page 1 Model 3104C Biconical Antenna User Manual...
  • Page 2 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.
  • Page 3: Table Of Contents

    2x2 Boom Mounting Options ............... 21   6.0 Operation ................23   7.0 Typical Data ................ 25   Model 3104C Antenna Factor ..............25   Model 3104C Gain ..................26   Model 3104C VSWR ..................27   Model 3104C Half-Power Beamwidth ............28  ...
  • Page 4   Appendix A: Warranty ............. 33...
  • Page 5: Notes, Cautions, And Warnings

    Included text gives proper procedures. Warning: Denotes a hazard. Failure to follow 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.
  • Page 6 This page intentionally left blank.
  • Page 7: Introduction

    LEMENTS ODEL Collapsible folding elements are available, making the Model 3104C portable and ideal for field use. Both the standard rigid and optional folding elements attach to the balun using screw mounts. This makes changing between the two types of elements quick and easy.
  • Page 8: Extended Portable Elements (Model 3104Cpx)

    Carrying cases for biconical antennas and portable elements are available. RIPOD PTIONS ETS-Lindgren offers the following nonmetallic, non-reflective tripods for use at both indoor and outdoor EMC test sites. • 4-TR Tripod—Constructed of linen phenolic and delrin, designed with an adjustable center post for precise height adjustments.
  • Page 9: Ets-Lindgren Product Information Bulletin

    (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: • Warranty information •...
  • Page 10 This page intentionally left blank. Introduction...
  • Page 11: Maintenance

    See the Product Information Bulletin included with your shipment for information on ETS-Lindgren calibration services. 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. Maintenance...
  • Page 12 This page intentionally left blank. Maintenance...
  • Page 13: Specifications

    3.0 Specifications Electrical Specifications 20 MHz–200 MHz Frequency Range: Matched to 50 Ω Impedance: 2.8:1 VSWR Ratio (Average): Power Input Capability: • 50 Watts continuous power • 100 Watts short-term peak power Type N Connector: Physical Specifications 143.5 cm (56.5 in) Length: 81.3 cm (32 in) Depth:...
  • Page 14 This page intentionally left blank. Specifications...
  • Page 15: Assembly Instructions

    4.0 Assembly Instructions Before connecting any components, follow the safety information in the ETS-Lindgren Product Information Bulletin included with your shipment. The Model 3104C Biconical Antenna is shipped unassembled, and includes these parts: • Balun • Biconical element (2) •...
  • Page 16 To assemble the Model 3104C: Slide a belleville washer onto the threaded screw end of one of the biconical elements. Line up the screw threads with the receptacle hole on the balun and turn the biconical element until it is firmly secured in the balun.
  • Page 17: Mounting Instructions

    Product Information Bulletin included with your shipment. Using Included Mounting Adapters on a 4-TR The Model 3104C ships with the following adapters, used to mount the antenna to a 4-TR tripod: • 102108 Clamp Block—Uses standard 7/8–14 threads and comes with a 1/4–20 thread adapter for...
  • Page 18 To use these adapters to mount the Model 3104C to a 4-TR tripod: Assemble the clamp block, support base, and support rod. Attach the support base to the 4-TR tripod. Unscrew the clamp block latch and open the top. Insert the shaft of the balun into the clamp block and close the top.
  • Page 19: Additional Mounting Options

    Additional Mounting Options 4-TR M OUNTING PTIONS Following are additional options for mounting the Model 3104C onto an ETS-Lindgren 4-TR Tripod. Contact the ETS-Lindgren Sales Department for information on ordering optional mounting hardware. Mounting Instructions...
  • Page 20: 7-Tr And Mast Mounting Options

    7-TR OUNTING PTIONS Following are options for mounting the Model 3104C onto an ETS-Lindgren 7-TR Tripod or mast. Contact the ETS-Lindgren Sales Department for information on ordering optional mounting hardware. Mast refers to 2070 Series, 2075, and 2175 Antenna Towers.
  • Page 21: 2X2 Boom Mounting Options

    OUNTING PTIONS Following are additional options for mounting the Model 3104C onto a 2x2 boom. Contact the ETS-Lindgren Sales Department for information on ordering optional mounting hardware. 2x2 boom refers to a typical 2-inch by 2-inch boom. Mounting Instructions...
  • Page 22 This page intentionally left blank. Mounting Instructions...
  • Page 23: Operation

    6.0 Operation The Model 3104C Biconical Antenna has a traditional coaxial wound balun that provides a broad frequency range and moderate gain for both transmitting and receiving. This antenna may be used for radiated immunity measurements provided that the peak input power is limited to no more than 100 W.
  • Page 24 This page intentionally left blank. Operation...
  • Page 25: Typical Data

    7.0 Typical Data Model 3104C Antenna Factor Typical Data...
  • Page 26: Model 3104C Gain

    Model 3104C Gain Typical Data...
  • Page 27: Model 3104C Vswr

    Model 3104C VSWR Typical Data...
  • Page 28: Model 3104C Half-Power Beamwidth

    Model 3104C Half-Power Beamwidth Typical Data...
  • Page 29: Model 3104C Forward Power

    Model 3104C Forward Power @ 1 M–D ERIVED FROM Typical Data...
  • Page 30: Derived From Af

    @ 3 M–D ERIVED FROM Typical Data...
  • Page 31: Measured Over Conducting Ground

    @ 3M–M EASURED OVER ONDUCTING ROUND Typical Data...
  • Page 32 This page intentionally left blank. Typical Data...
  • Page 33 Appendix A: Warranty See the Product Information Bulletin included with your shipment for the complete ETS-Lindgren warranty for your Model 3104C. 3104C URATION OF ARRANTIES FOR ODEL All product warranties, except the warranty of title, and all remedies for warranty failures are limited to two years.

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