ETS-Lindgren 3144 User Manual Download | Manualshive

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Model 3144

Log Periodic

Dipole Array Antenna

User Manual

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Summary of Contents for 3144

Page 1: ...Model 3144 Log Periodic Dipole Array Antenna User Manual ...

Page 2: ...oes not convey any license under its patent rights or the rights of others Copyright 1997 2010 by ETS 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 Trademarks used in this document The ETS Lindgren logo is a trademark of ETS Lindgren L P Revision Record MANUAL 3144 LOG PERIODIC ANTENNA Part 399171 Rev E Revisio...

Page 3: ...s 13 Physical Specifications 13 4 0 Mounting Assembly 15 Mounting Instructions 15 Using Included Mounting Adapters 15 Additional 4 TR Mounting Options 17 Additional 7 TR and Mast Mounting Options 18 Additional 2x2 Boom Mounting Options 19 Assembly Instructions 20 5 0 Application 21 6 0 Typical Data 23 Model 3144 Antenna Factor 23 Model 3144 Gain 23 Model 3144 VSWR 24 Model 3144 Half Power Beamwidt...

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Page 5: ...ons 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 v ...

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Page 7: ...rgy towards the smaller elements leaving the elements behind it electrically dead The constant gain of the antenna yields an antenna factor which varies linearly with frequency The variation is smooth therefore accurate interpolation of performance between specified frequency points is simple The Model 3144 is provided with an integral mount and the necessary attachments to mount the antenna to ei...

Page 8: ...ffers the following non metallic 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 8 ...

Page 9: ... 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 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 ...

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Page 11: ...periodic removal of the antenna cable connection and cleaning of any corrosion may be needed to maintain accuracy of the measurements An inspection to determine the need for cleaning should be made at least every six months More frequent inspection may be needed depending on the atmosphere and the environment in which the antenna is used Annual Calibration See the Product Information Bulletin incl...

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Page 13: ...ency Range 80 MHz 2 GHz Input Impedance 50 Ohms VSWR Average 1 2 1 Maximum 2 0 1 CW Power 1000 W Symmetry 0 5 dB Connector Type N Female Physical Specifications Height 6 4 cm 2 5 in Width 213 4 cm 84 0 in Depth 167 6 cm 66 0 in Weight 4 3 kg 9 5 lb 13 ...

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Page 15: ...nd then attach the elements to the antenna Mounting Instructions USING INCLUDED MOUNTING ADAPTERS The Model 3144 ships with these mounting adapters 100989 Polarizing Mounting Adapter with 7 8 14 thread receptacle If you need to convert the polarizing adapter to a 1 4 20 receptacle insert the 1 4 20 thread insert into the polarizing adapter 105861B 1 4 20 Thread Insert 15 ...

Page 16: ...rt the 1 4 20 thread insert into the polarizing adapter 2 Remove the mounting knob from the mounting bracket on the antenna 3 Slide the polarizing adapter into the mounting bracket by placing the polarizing adapter placed between the shoulders of the mounting bracket 16 ...

Page 17: ... through the hex nut 5 Tighten the mounting knob to secure the antenna 6 Attach the polarizing adapter and antenna to tripod or tower as required ADDITIONAL 4 TR MOUNTING OPTIONS Following are additional options for mounting the Model 3144 onto an ETS Lindgren 4 TR tripod Contact the ETS Lindgren Sales Department for information on ordering optional mounting hardware 17 ...

Page 18: ...ment for information on ordering optional mounting hardware Mast refers to 2070 Series 2075 and 2175 Antenna Towers 7 TR refers to 109042 and 108983 booms 109042 boom Straight boom for general antenna mounting on a 7 TR 108983 boom Offset boom for general antenna mounting on a 7 TR with pneumatic or manual polarization can also be used to mount stinger type antennas 18 ...

Page 19: ...TIONS Following are additional options for mounting the Model 3144 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 19 ...

Page 20: ...not cross thread or permanent damage to the antenna and element could occur Do not overtighten or use excessive force or permanent damage to the antenna and element could occur 1 Carefully thread one of the numbered elements into the corresponding numbered receptacle 2 Thread the element until it is finger tight 3 Repeat these steps until all of the numbered elements are mounted 20 ...

Page 21: ...uency elements verify element clearance prior to switching the antenna to vertical polarization Contact with any metallic or non metallic structure can capacitively load the antenna which may cause inconsistent results Therefore care must be taken to ensure that no part of the dipole elements is in contact with the tripod or tower particularly in vertically polarized tests Where possible run the f...

Page 22: ...ld strength not shown multiply the power in watts by the desired E field squared or P E V m E 2 P 1 V m Actual transmitted field strength should be verified using an ETS Lindgren electric field probe or equivalent For IEC EN 31000 4 3 type testing the antenna tip can be placed at any distance between one and three meters from the EUT as long as the front face plane is illuminated according to the ...

Page 23: ...6 0 Typical Data Model 3144 Antenna Factor Model 3144 Gain 23 ...

Page 24: ...Model 3144 VSWR Model 3144 Half Power Beamwidth 24 ...

Page 25: ...Model 3144 Forward Power 1M Model 3144 Forward Power 3M 25 ...

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Page 27: ...te ETS Lindgren warranty for your Model 3144 DURATION OF WARRANTIES FOR MODEL 3144 All product warranties except the warranty of title and all remedies for warranty failures are limited to two years Product Warranted Duration of Warranty Period Model 3144 Log Periodic Dipole Array Antenna 2 Years 27 ...

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