ETS-Lindgren 3109 Manual de usuario

Model 3109

Biconical Antenna

User Manual

ii |

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.

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 3109 | Part #399038, Rev. F

Revision

Description

Date

A—C

Initial Release; updates / edits

1989—2002

Added P/XP options

October, 2002

Updated PX branding; updated

Mounting Instructions;rebrand

February, 2009

Updated Physical Specifications

October, 2011

| iii

Table of Contents

Notes, Cautions, and Warnings................................................v

1.0 Introduction..........................................................................7

Optional Items ............................................................................................ 8

Model 3109P—Portable Elements ...................................................... 8

Model 3109PX—Extended Portable Elements.................................... 8

Carrying Cases................................................................................... 8

Tripod Options.................................................................................... 9

ETS-Lindgren Product Information Bulletin ............................................... 10

2.0 Maintenance .......................................................................11

Annual Calibration .................................................................................... 11

Replacement and Optional Parts .............................................................. 12

Service Procedures .................................................................................. 12

3.0 Specifications.....................................................................13

Electrical Specifications............................................................................ 13

Physical Specifications ............................................................................. 14

Model 3109....................................................................................... 14

Model 3109P (With Portable Elements)............................................. 15

Model 3109PX (With Extended Portable Elements) .......................... 16

4.0 Assembly Instructions ......................................................17

5.0 Mounting Instructions .......................................................19

Additional Mounting Options..................................................................... 20

4-TR Mounting Options..................................................................... 20

7-TR and Mast Mounting Options...................................................... 21

2x2 Boom Mounting Options............................................................. 22

6.0 Application .........................................................................23

7.0 Typical Data........................................................................25

Model 3109 Typical Data.......................................................................... 25

Model 3109 Antenna Factor.............................................................. 25

Model 3109 Gain .............................................................................. 26

Model 3109 VSWR ........................................................................... 27

Model 3109 Half-Power Beamwidth.................................................. 28

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Model 3109 Forward Power @ 1 M–Derived from AF....................... 29

Model 3109 Forward Power @ 3 M–Derived from AF....................... 30

Model 3109 Forward Power @ 3 M–Measured over

Conducting Ground........................................................................... 31

Model 3109 Forward Power @ 3 M–Measured over Ferrite Ground.. 32

Model 3109P Typical Data........................................................................ 33

Model 3109P VSWR......................................................................... 33

Model 3109PX Typical Data...................................................................... 34

Model 3109PX Antenna Factor......................................................... 34

Model 3109PX Gain.......................................................................... 35

Model 3109PX VSWR....................................................................... 36

Model 3109PX Forward Power @ 3 M—Derived from AF................. 37

Model 3109PX Forward Power @ 3 M—Measured over Conducting

Ground.............................................................................................. 38

Appendix A: Warranty .............................................................39

| v

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. 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.

vi |

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Introduction | 7

1.0 Introduction

The ETS-Lindgren Model 3109 Biconical Antenna is designed to operate over

the 20 MHz to 300 MHz frequency range for generating high levels of

electromagnetic (EM) fields. The ability to handle high power levels over a

broadband makes the Model 3109 excellent for use in radiated susceptibility

testing.

The assembly design of the Model 3109 provides for easy storage and

portability. The standard biconical elements are made from welded aluminum.

The 4-to-1 ratio balun network is fabricated from TFE thermoplastics and

specially machined brass and aluminum support and contact parts. The bifilar

inductors of the balun are wound in precision machined cuts to provide high

barrier insulation between windings while simultaneously giving good coupling

between bifilar windings.

The balun acts as base on the Model 3109 and is configured to accept an

ETS-Lindgren tripod or most other tripods. For information on tripods, see

Tripod Options on page 9. For the variety of mounting options available for the

Model 3109, see Mounting Instructions on page 19.

The Model 3109 is individually calibrated at 1 m per SAE ARP 958 and 3 m and

10 m per ANSI C63.5. Actual factors and a signed Certificate of Calibration

Conformance are included.

Because slight variations in testing environments can affect the field

characteristics around an antenna, it is recommended that a field probe be used

to accurately determine the field strength in the region under test.

8 | Introduction

Optional Items

MODEL 3109P—PORTABLE ELEMENTS

Collapsible folding elements are available, making the Model 3109 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.

MODEL 3109PX—EXTENDED PORTABLE ELEMENTS

An extended version of the portable element is available. These folding elements

are twice as long as the standard elements. The longer elements enable you to

generate high fields at low frequencies with reduced applied power.

CARRYING CASES

Carrying cases for biconical antennas and portable elements are available.

Introduction | 9

TRIPOD OPTIONS

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. Maximum height is 2.0 m

(80.0 in), and minimum height is 94 cm

(37.0 in). This tripod can support up to

an 11.8 kg (26.0 lb) load.

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 0.8 m

(31.8 in). This tripod can support a

13.5 kg (30 lb) load.

10 | Introduction

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

ETS-Lindgren calibration service

ETS-Lindgren contact information

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