ETS-Lindgren BiConiLog 3140B User Manual Download Page 1

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Model 3140B

BiConiLog™ Antenna

User Manual

Model 3140B mounted onto a 7-TR tripod (not included)

Summary of Contents for BiConiLog 3140B

Page 1: ...Model 3140B BiConiLog Antenna User Manual Model 3140B mounted onto a 7 TR tripod not included ...

Page 2: ...y any license under its patent rights or the rights of others Copyright 2000 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 MiniMast and BiConiLog are trademarks of ETS Lindgren L P Revision Record MANUAL MODEL 3140 Part 399258 Rev E Revision Des...

Page 3: ... Model 3140B 17 Attach Bow Tie Elements 17 Attach T Leg Elements 19 Attach Diagonal Struts 21 Attach V Elements 22 5 0 Mounting Instructions 23 Included Mounting Adapters 23 Using Included Adapters to Mount to an Offset Boom 24 Attach Included Mounting Adapters to Model 3140B 24 Attach Model 3140B to an ETS Lindgren Offset Boom 25 Mounting Illustrations 26 Model 3140B on 7 TR Tripod Positioner 26 ...

Page 4: ... Model 3140B Gain 35 Model 3140B Typical Forward Power FP 36 Typical 1 Meter FP Based on 1 Meter Antenna Factor 37 Typical 3 Meter FP Based on 3 Meter Antenna Factor 38 Typical 3 Meter FP Over Ferrite Tile 39 Typical 3 Meter FP Measured Over Conducting Ground 40 Appendix A Warranty 41 iv ...

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 ...

Page 6: ...vi This page intentionally left blank ...

Page 7: ...ned dipole would have to be approximately 5 3 meters long 4 6 meters long at 30 MHz and 2 8 meters long at 50 MHz This is unwieldy for many anechoic chambers and test sites The end plates of the Model 3140B T bow ties make the bow tie antenna segment look like an antenna twice as long as the actual 1 6 meter length The result is about a 10 dB improvement in low frequency transmit gain compared to ...

Page 8: ...ickup below 100 MHz and to improve matching to the bow tie elements the Model 3140B contains a balun transformer which acts as a common mode choke to keep unbalanced current off the coaxial feed cable outer shield as well as adding some additional inductance to improve impedance matching to the bow ties Even though the Model 3140B is highly balanced symmetry 0 5 dB in vertically polarized measurem...

Page 9: ... 7 TR TRIPOD POSITIONER ETS Lindgren offers the non metallic non reflective Model 7 TR for use at both indoor and outdoor EMC test sites 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 pneumat...

Page 10: ...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 10 Introduction ...

Page 11: ... designed for immunity testing so the generated field is measured with a calibrated field probe not the Model 3140B For that reason it is not required that the Model 3140B be recalibrated regularly If you would like to have your Model 3140B antenna verified or serviced please contact ETS Lindgren Calibration See the Product Information Bulletin included with your shipment for information on ETS Li...

Page 12: ...This page intentionally left blank 12 Maintenance ...

Page 13: ...2 1 CW Power Average 26 MHz to 150 MHz 750 W 150 MHz to 600 MHz 500 W 600 MHz to 1 GHz 365 W 1 GHz to 3 GHz 200 W Symmetry 0 5 dB Connector Type N female Physical Specifications Height T Bow Tie 76 65 cm 30 18 in Width T Bow Tie 161 5 cm 63 60 in Depth Length 151 3 cm 59 6 in Weight 10 kg 22 lb Specifications 13 ...

Page 14: ...This page intentionally left blank 14 Specifications ...

Page 15: ...ent Model 3140B Components The Model 3140B BiConiLog Antenna consists of the following Antenna Bow tie elements 2 Long T leg elements 2 Diagonal struts 4 V elements 2 Boom assembly Mount knobs 2 one 7 8 in 104169 and one 1 4 in 104136 Polarizing adapters 100989 for booms with 7 8 in mount holes 2 Thread inserts 105861B 7 8 in to 1 4 in 2 Assembly Instructions 15 ...

Page 16: ...Model 3140B Assembled 16 Assembly Instructions ...

Page 17: ...Place the bow tie vertically on the floor and hold the antenna horizontally See illustration on next page 2 Fit the bow tie into one side of the balun 3 Insert and tighten the knob 4 Carefully place the antenna in a vertical position with the feet of the balun box level and on a flat surface 5 Repeat steps 2 and 3 to attach the second bow tie element to the balun box Assembly Instructions 17 ...

Page 18: ...18 Assembly Instructions ...

Page 19: ...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 second T leg element Assembly Instructions 19 ...

Page 20: ...20 Assembly Instructions ...

Page 21: ...ach the four diagonal struts Loosen the thumbscrew at each strut mount on the T leg element and at the boom Place the pocket of the straight end facing the raised face of each mount Tighten the thumbscrew Assembly Instructions 21 ...

Page 22: ...CH 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 mast See Mounting Instructions on page 23 22 Assembly Instructions ...

Page 23: ...Handle with care Do not mount the Model 3140B onto an ETS Lindgren 4 TR Tripod Included Mounting Adapters The Model 3140B BiConiLog ships with these mounting adapters 100989 Polarizing Mounting Adapter with 7 8 14 thread receptacle 2 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 2 Mounti...

Page 24: ...rve facing the opposite direction from the other 1 Place one 100989 polarizing adapter between the shoulders of one of the mounting brackets on the antenna Do not cross thread or permanent damage to the adapter and thread insert could occur 2 Thread a bracket knob through the mounting bracket then through the polarizing adapter and finally through the hex nut 3 Tighten the mounting knob to secure ...

Page 25: ...h the attached polarizing adapters flat against the top surface of the boom 2 Holding the Model 3140B securely insert one 105861B 1 4 20 thread insert into the underside of the offset boom 3 Attach the two mount knobs and tighten to secure the Model 3140B to the offset boom Mounting Instructions 25 ...

Page 26: ...Mounting Illustrations MODEL 3140B ON 7 TR TRIPOD POSITIONER 26 Mounting Instructions ...

Page 27: ...MODEL 3140B ON MODEL 2075 MINIMAST Mounting Instructions 27 ...

Page 28: ...MODEL 3140B ON MODEL 2070 2071 ANTENNA POSITIONING MAST 28 Mounting Instructions ...

Page 29: ...on on ordering optional mounting hardware Mast refers to 2070 Series 2075 and 2175 Antenna Towers 7 TR refers to 109042 106328 and 108197 booms 109042 boom Straight boom for general antenna mounting on a 7 TR 106328 boom Offset boom for general antenna mounting on a 7 TR with pneumatic or manual polarization 108197 boom Center rotate boom for rear mount stinger type antennas only Mounting Instruct...

Page 30: ...ing are options for mounting the Model 3140B 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 30 Mounting Instructions ...

Page 31: ...ion option can provide automated polarization using a Model 2090 Multi Device Controller See Mounting Instructions on page 23 for mounting schemes for ETS Lindgren towers and the 7 TR Tripod For immunity testing the electric field strength generated at a distance d can be approximated by E Pg d V m 30 d distance in meters g numeric gain 10 G dB 10 P antenna net input power in watts An estimate of ...

Page 32: ...s for the lower frequencies at three meters based on measurements using a field probe on an Open Area Test Site OATS over both conducting ground and a 2 4m 2 ferrite absorber field over conducting ground For IEC 61000 4 3 type testing the antenna tip can be placed at any distance between one and three meters from the Equipment Under Test EUT as long as the front face plane is illuminated according...

Page 33: ...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 Typical Data 33 ...

Page 34: ...00 MHz The separation distance for the ANSI C63 5 three and 10 meter calibrations is measured from the antenna midpoint while for SAE ARP 958 one meter calibrations the distance is measured from the antenna tip Midpoint is defined as half the distance between the small elements and the bow ties which is about 65 cm from the small end tip 34 Typical Data ...

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

Page 36: ...ree meters based on measurements using a field probe on an Open Area Test Site OATS over both conducting ground and a 2 4m 2 ferrite absorber field over conducting ground The power shown was measured with 1 5 meter transmit antenna and probe height and horizontal polarization Horizontal polarization represents the worst case power requirement typically less power is required for vertical polarizat...

Page 37: ...TYPICAL 1 METER FP BASED ON 1 METER ANTENNA FACTOR Typical Data 37 ...

Page 38: ...TYPICAL 3 METER FP BASED ON 3 METER ANTENNA FACTOR 38 Typical Data ...

Page 39: ...TYPICAL 3 METER FP OVER FERRITE TILE 20 0 01 0 1 1 10 100 1000 26 100 300 10 V m 80 AM 10 V m 1 V m 80 AM 3 V m 1 V m 80 AM 1 V m Forward Power W Frequency MHz Typical Data 39 ...

Page 40: ...40 Typical Data TYPICAL 3 METER FP MEASURED OVER CONDUCTING GROUND 20 0 01 0 1 1 10 100 1000 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 m Forward Power W Frequency MHz ...

Page 41: ...omplete ETS Lindgren warranty for your Model 3140B DURATION OF WARRANTIES FOR MODEL 3140B 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 3140B BiConiLog TM 2 Years Warranty 41 ...

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