Ets-lindgren 3140B Hybrid Log Periodic and Bowtie (BiConiLog) Manuel d'utilisateur

Model 3140B BiConiLog™ Antenna User Manual Model 3140B mounted onto a 7-TR tripod (not included)

ETS-Lindgren Product Information Bulletin See the ETS-Lindgren Product Information Bulletin included with your shipment for the following: • Warranty

2.0 Maintenance Before performing any maintenance, follow the safety information in the ETS-Lindgren Product Information Bulletin included with yo

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3.0 Specifications Electrical Specifications Frequency Range: 26 MHz–3000 MHz Input Impedance: 50 Ω VSWR (Average): 2:1 CW Power (Average): • 2

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4.0 Assembly Instructions Before connecting any components, follow the safety information in the ETS-Lindgren Product Information Bulletin include

Model 3140B Assembled 16 | Assembly Instructions

Steps to Assemble the Model 3140B To eliminate stress and prevent damage to the balun box connection, you must support the antenna while attaching t

18 | Assembly Instructions

ATTACH T LEG ELEMENTS 6. Insert one long T leg element into the clamp and tighten the clamp screws. See illustration on next page. 7. Repeat for se

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. No

20 | Assembly Instructions

ATTACH DIAGONAL STRUTS 8. Attach the four diagonal struts. • Loosen the thumbscrew at each strut mount on the T leg element and at the boom. • Pla

ATTACH V ELEMENTS 9. Attach the V elements and tighten the thumbscrews through the boom The Model 3140B is now ready for mounting to a tripod or

5.0 Mounting Instructions Before connecting any components, follow the safety information in the ETS-Lindgren Product Information Bulletin include

Using Included Adapters to Mount to an Offset Boom ATTACH INCLUDED MOUNTING ADAPTERS TO MODEL 3140B To allow manual polarization of the Model 3140B,

ATTACH MODEL 3140B TO AN ETS-LINDGREN OFFSET BOOM 1. Place the Model 3140B onto the offset boom with the attached polarizing adapters flat against t

Mounting Illustrations MODEL 3140B ON 7-TR TRIPOD POSITIONER 26 | Mounting Instructions

MODEL 3140B ON MODEL 2075 MINIMAST Mounting Instructions | 27

MODEL 3140B ON MODEL 2070/2071 ANTENNA POSITIONING MAST 28 | Mounting Instructions

Additional Mounting Options 7-TR AND MAST MOUNTING OPTIONS Following are options for mounting the Model 3140B onto an ETS-Lindgren 7-TR Tripod or mas

Table of Contents Notes, Cautions, and Warnings ... v1.0 Introduction ...

2X2 BOOM MOUNTING OPTIONS Following are options for mounting the Model 3140B onto a 2x2 boom. Contact the ETS-Lindgren Sales Department for informati

6.0 Application After mounting the Model 3140B BiConiLogTM, connect an N-type coaxial cable from the antenna connector to a signal generator or amp

()()PE E PV/m V/m=21 To determine the additional amplifier overhead required to handle 80% amplitude modulation, multiply the result by 3.24 (1.82).

7.0 Typical Data Model 3140B Typical VSWR This graph illustrates the typical VSWR for Model 3140B in the frequency range 26 MHz to 3000 MHz. Typi

Model 3140B Typical Antenna Factors This graph illustrates the typical horizontal antenna factors for the Model 3140B in the frequency range 26 MHz

Model 3140B Gain This graph illustrates one and three meter gain. Typical Data | 35

Model 3140B Typical Forward Power (FP) The forward power graphs illustrate the typical forward power required for one, three, and 10 V/m (with and wi

TYPICAL 1 METER FP BASED ON 1 METER ANTENNA FACTOR Typical Data | 37

TYPICAL 3 METER FP BASED ON 3 METER ANTENNA FACTOR 38 | Typical Data

TYPICAL 3 METER FP OVER FERRITE TILE 200.010.1110100100026 100 300 10 V/m 80% AM 10 V/m 1 V/m 80% AM 3 V/m 1 V/m 80% AM 1 V/mForward Power (W)Freq

7.0 Typical Data ... 33Model 3140B Typical VSWR ...

40 | Typical Data TYPICAL 3 METER FP MEASURED OVER CONDUCTING GROUND 200.010.11101001000100 300 10 V/m 80% AM 10 V/m 1 V/m 80% AM 3 V/m 1 V/m

Appendix A: Warranty See the Product Information Bulletin included with your shipment for the complete ETS-Lindgren warranty for your Model 3140B.

Notes, Cautions, and Warnings Note: Denotes helpful information intended to provide tips for better use of the product. Caution: Denotes a hazard. F

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1.0 Introduction The ETS-Lindgren Model 3140B BiConiLogTM is a high-field antenna in the bow tie/log periodic family, providing the highest field-t

The unique feature of the Model 3140B is the T bow tie elements. A T bow tie increases the equivalent dipole electrical length, thereby decreasing re

About Mounting the Model 3140B The Model 3140B can be mounted on the 2-in square booms of these ETS-Lindgren products: • Model 7-TR Tripod Positione