ESCO Technologies ETS-Lindgren 3147 Скачать руководство пользователя страница 17 | Manualshive

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ESCO Technologies ETS-Lindgren 3147 Скачать руководство пользователя страница 17

Mounting Instructions

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17

4.

Thread the mounting knob through the mounting bracket, then through
the polarizing adapter, and finally through the hex nut.

Do not cross thread or permanent damage to the adapter could occur.

5.

Tighten the mounting knob to secure the antenna.

6.

Attach the polarizing adapter and antenna to tripod or tower, as
required.

Additional Mounting Options

4-TR

M

OUNTING

O

PTIONS

Following are additional options for mounting the Model 3147 onto an
ETS-Lindgren 4-TR tripod. Contact the ETS-Lindgren Sales Department for
information on ordering optional mounting hardware.

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Содержание ETS-Lindgren 3147

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

Страница 2: ...en 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...

Страница 3: ...tional Mounting Options 17 4 TR Mounting Options 17 7 TR and Mast Mounting Options 18 2x2 Boom Mounting Options 19 5 0 Operation 21 Model 3147 Assembly Instructions 21 Model 3147 Use 21 6 0 Typical Da...

Страница 4: ...iv 400 MHz 41 500 MHz 41 600 MHz 42 700 MHz 42 800 MHz 43 900 MHz 43 1 0 GHz 44 1 5 GHz 44 2 0 GHz 45 2 5 GHz 45 3 0 GHz 46 3 5 GHz 46 4 0 GHz 47 4 5 GHz 47 5 0 GHz 48 Appendix B Warranty 49...

Страница 5: ...ions 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 a...

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

Страница 7: ...ge 24 The precise design of the feed and the positioning of the elements on the boom yield an optimum phase relationship This causes the active region at any given frequency to propagate RF energy tow...

Страница 8: ...f the log periodic antennas Optionally the log periodic antenna can be calibrated per SAE ARP 958 Society of Automotive Engineers Aerospace Recommended Practice The SAR APR 958 requires an antenna spa...

Страница 9: ...Introduction 9...

Страница 10: ...10 Introduction This page intentionally left blank...

Страница 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 a...

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

Страница 13: ...R Average 1 25 1 Maximum 1 7 1 Impedance 50 Maximum Continuous Input Power 80 W at 1 GHz 40 W at 5 GHz Maximum Peak Input Power 100 W at 1 GHz 50 W at 5 GHz Connector Precision N female Physical Speci...

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

Страница 15: ...Model 3147 is a precision measurement device Handle with care Using Included Mounting Adapters The Model 3147 Log Periodic Dipole Antenna ships with these mounting adapters 100989 Polarizing Mounting...

Страница 16: ...required insert 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 pla...

Страница 17: ...the adapter could occur 5 Tighten the mounting knob to secure the antenna 6 Attach the polarizing adapter and antenna to tripod or tower as required Additional Mounting Options 4 TR MOUNTING OPTIONS...

Страница 18: ...partment for information on ordering optional mounting hardware Mast refers to 2070 Series 2075 and 2175 Antenna Towers 7 TR refers to 109042 108983 and 108507 booms 109042 boom Straight boom for gene...

Страница 19: ...TING OPTIONS Following are additional options for mounting the Model 3147 onto a 2x2 boom Contact the ETS Lindgren Sales Department for information on ordering optional mounting hardware 2x2 boom refe...

Страница 20: ...20 Mounting Instructions This page intentionally left blank...

Страница 21: ...the support rod and base onto a tripod and then tighten the 1 4 20 screw in the bottom of the base 5 Remove the red connector cover from the precision N connector 6 Attach a cable to the precision N c...

Страница 22: ...22 Operation This page intentionally left blank...

Страница 23: ...Typical Data 23 6 0 Typical Data Following are typical measurements for the Model 3147 Log Periodic Dipole Antenna...

Страница 24: ...4 Typical Data Typical VSWR for Model 3147 This is a plot of the VSWR showing the antenna with and without a radome The effect of the radome on the electromagnetic performance of the antenna is minima...

Страница 25: ...Typical Data 25 Typical Antenna Factor and Gain for Model 3147...

Страница 26: ...26 Typical Data...

Страница 27: ...nnas is measured from the projection onto the ground plane of the midpoint of the longitudinal axis of each antenna This midpoint has been marked on the radome and labeled Reference Point Per ANSI C63...

Страница 28: ...Beamwidth for Horizontally and Vertically Polarized Model 3147 The beamwidth charts show the 3 dB and 10 dB power beamwidth as determined from the antenna patterns taken for both horizontal and vertic...

Страница 29: ...Typical Data 29...

Страница 30: ...30 Typical Data...

Страница 31: ...ade by first positioning two identical Model 3147 antennas face to face at a 2 meter height and a 3 meter distance A signal is transmitted through one antenna and received with the other The transmitt...

Страница 32: ...32 Typical Data...

Страница 33: ...Typical Data 33 Cable Attenuation dB at 20 C for 6 M Cable...

Страница 34: ...s are located in Appendix A on page 41 These patterns were measured indoors using a separation distance of 1 meter to 1 5 meters between the transmit antenna and the receive antenna The antenna patter...

Страница 35: ...receiving system input impedance will require correction for the differences in input impedance 4 Select the desired frequency of measurement on the receiving system 5 Measure the RF voltage Va refere...

Страница 36: ...Voltage dB V Cable Loss dB Antenna Factor dB m 1 Field Strength dB V m Ea Va AF Ae Conversion Factors Following are some useful conversion formulas dBm dB V 107 dB mW m2 dB V m 115 8 dB V m dB V AF V...

Страница 37: ...the appropriate conversion factors to convert dB W m2 to dB mW m2 for power density and dB V m to dB V m for the electric field the constant becomes 30 120 10 log10 120 115 8 For the constant in the...

Страница 38: ...38 Radiated Emissions Measurement This page intentionally left blank...

Страница 39: ...where E is the field strength in V m R is the distance from the transmit antenna g is the antenna gain in linear unit The power limitation is 80 Watts maximum continuous power for frequencies below 1...

Страница 40: ...40 Power Requirements This page intentionally left blank...

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

Страница 42: ...42 Typical Antenna Patterns 600 MHZ 700 MHZ...

Страница 43: ...Typical Antenna Patterns 43 800 MHZ 900 MHZ...

Страница 44: ...44 Typical Antenna Patterns 1 0 GHZ 1 5 GHZ...

Страница 45: ...Typical Antenna Patterns 45 2 0 GHZ 2 5 GHZ...

Страница 46: ...46 Typical Antenna Patterns 3 0 GHZ 3 5 GHZ...

Страница 47: ...Typical Antenna Patterns 47 4 0 GHZ 4 5 GHZ...

Страница 48: ...48 Typical Antenna Patterns 5 0 GHZ...

Страница 49: ...TS Lindgren warranty for your Model 3147 Log Periodic Dipole Antenna DURATION OF WARRANTIES FOR MODEL 3147 All product warranties except the warranty of title and all remedies for warranty failures ar...

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