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Model 3147 

Log Periodic 

Dipole Antenna 

User Manual 

 

Summary of Contents for 3147

Page 1: ...Model 3147 Log Periodic Dipole Antenna User Manual ...

Page 2: ...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 ii ...

Page 3: ...tes 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 35 iii ...

Page 4: ...Appendix A Typical Antenna Patterns 41 ...

Page 5: ...Notes Cautions and Warnings Note Caution Warning v ...

Page 6: ...vi ...

Page 7: ...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 7 ...

Page 8: ...Regarding Calibration of Log Periodic Dipole Antennas ...

Page 9: ...ETS Lindgren Product Information Bulletin 9 ...

Page 10: ...10 ...

Page 11: ...nce 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 11 ...

Page 12: ...12 ...

Page 13: ...pecifications Electrical Specifications Frequency Range VSWR Average Maximum Impedance Ω Maximum Continuous Input Power Maximum Peak Input Power Connector Physical Specifications Height Width Depth Weight 13 ...

Page 14: ...14 ...

Page 15: ...formation 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 105861 1 4 20 Thread Insert 15 ...

Page 16: ...1 2 3 16 ...

Page 17: ...4 5 6 Additional Mounting Options 4 TR MOUNTING OPTIONS 17 ...

Page 18: ...7 TR AND MAST MOUNTING OPTIONS 18 ...

Page 19: ...2X2 BOOM MOUNTING OPTIONS 19 ...

Page 20: ...20 ...

Page 21: ...ration Before connecting any components follow the safety information in the ETS Lindgren Product Information Bulletin included with your shipment Model 3147 Assembly Instructions 1 2 3 4 5 6 Model 3147 Use 21 ...

Page 22: ...22 ...

Page 23: ...6 0 Typical Data Typical VSWR for Model 3147 23 ...

Page 24: ...Typical Antenna Factor and Gain for Model 3147 24 ...

Page 25: ...25 ...

Page 26: ...Beamwidth for Horizontally and Vertically Polarized Model 3147 26 ...

Page 27: ...27 ...

Page 28: ...Front to Back Ratio for Model 3147 28 ...

Page 29: ...Cable Attenuation dB at 20 C for 6 M Cable 29 ...

Page 30: ...Typical Antenna Pattern for 200 MHz and 300 MHz 30 ...

Page 31: ...7 0 Radiated Emissions Measurement Before connecting any components follow the safety information in the ETS Lindgren Product Information Bulletin included with your shipment 1 2 3 Ω 4 5 6 31 ...

Page 32: ...Conversion Factors 32 ...

Page 33: ...Ω η η π Ω π π B H π π 33 ...

Page 34: ...34 ...

Page 35: ...8 0 Power Requirements R 3 meters 35 ...

Page 36: ...Power Requirements Table 80 WATTS CONTINUOUS POWER Field Strength E Freq MHz AF Gain dB Gain num 1 V m 10 V m 20 V m 36 ...

Page 37: ...Field Strength E Freq MHz AF Gain dB Gain num 1 V m 10 V m 20 V m 37 ...

Page 38: ...40 WATTS CONTINUOUS POWER Field Strength E Freq MHz AF Gain dB Gain num 1 V m 10 V m 20 V m 38 ...

Page 39: ...Field Strength E Freq MHz AF Gain dB Gain num 1 V m 10 V m 20 V m 39 ...

Page 40: ...40 ...

Page 41: ...Appendix A Typical Antenna Patterns 400 MHZ 500 MHZ 41 ...

Page 42: ...600 MHZ 700 MHZ 42 ...

Page 43: ...800 MHZ 900 MHZ 43 ...

Page 44: ...1 0 GHZ 1 5 GHZ 44 ...

Page 45: ...2 0 GHZ 2 5 GHZ 45 ...

Page 46: ...3 0 GHZ 3 5 GHZ 46 ...

Page 47: ...4 0 GHZ 4 5 GHZ 47 ...

Page 48: ...5 0 GHZ 48 ...

Page 49: ...49 Appendix B Warranty DURATION OF WARRANTIES FOR MODEL 3147 Product Warranted Duration of Warranty Period ...

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