Dream Catcher ME1310 Manual

Antenna and propagation (3d) lab 1 introduction to 3d radiation pattern measurement
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ME1310 Antenna and Propagation (3D)
Introduction to 3D Radiation Pattern
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Sdn. Bhd. are subject to the applicable License Agreement.
For further information, see the Courseware Product License Agreement.
Objective
i)
To understand the operating fundamentals of 3D radiation pattern measurements
ii)
To measure and plot antenna radiation patterns
Equipment Required
i)
ME1310 training kit
ii)
Keysight N9912A FieldFox RF analyzer
iii)
Keysight 85033E standard mechanical calibration kit (optional)
iv)
A pair of 2400 MHz dipole antennas
Accessories Required
i)
1 × 5 V power adapter
ii)
1 × Type A-to-Type B USB cable
iii)
2 × SMA(m)-to-SMA(m) RF coaxial cable
iv)
1 × LAN cable
v)
2 x N(m)-to-SMA(f) adapter
vi)
A PC running Microsoft
with setup prerequisites and the RadPat v4 software (Refer to the ME1310 Quick Start Guide for
the installation procedures)
ME1310 Antenna and
Propagation (3D)
Lab 1
Measurement
Rev 1.03
®
®
Windows XP/Vista
/7/10 with a minimum of 1 GB RAM, pre-installed
http://dreamcatcher.asia/cw
Lab 1 - 1/18

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Summary of Contents for Dream Catcher ME1310

  • Page 1 A PC running Microsoft Windows XP/Vista /7/10 with a minimum of 1 GB RAM, pre-installed with setup prerequisites and the RadPat v4 software (Refer to the ME1310 Quick Start Guide for the installation procedures) ME1310 Antenna and Lab 1 - 1/18...
  • Page 2: Table Of Contents

    Polarize) ..............................13 Appendix B: Tips on How to Calibrate the Keysight N9912A FieldFox RF Analyzer ......... 15 Calibration ............................15 Calibration ............................16 Revision History ............................17 Contact Us..............................18 ME1310 Antenna and Lab 1 - 2/18 Propagation (3D)
  • Page 3: Introduction

    H-plane and E-plane has become an imperative requirement. For path loss measurement and antenna efficiency measurement, it is essential to measure and build a 3D radiation pattern. ME1310 Antenna and Lab 1 - 3/18 Propagation (3D)
  • Page 4   = wavelength, and  D = largest dimension of the antenna under test (AUT) ME1310 Antenna and Lab 1 - 4/18 Propagation (3D)
  • Page 5: Antenna Radiation Pattern Measurement

    Figure 4. 3. Use an RF coaxial cable to connect the RF OUT connector of the N9912A FieldFox RF analyzer to the RF IN connector of the transmitter module (Tx). ME1310 Antenna and Lab 1 - 5/18 Propagation (3D)
  • Page 6 6. Orientate the receiving antenna broadside to the transmitting antenna as shown in Figure for vertical polarization and maximum reception. 50 cm (Rx) Figure 4 – Orientation of receiving and transmitting antennas for vertical polarization ME1310 Antenna and Lab 1 - 6/18 Propagation (3D)
  • Page 7 24. Save the radiation pattern plot by clicking the Save button. A dialog box showing the file path of saved plot should appear. 25. You may open the saved file (.csv file) using Microsoft Excel for further analysis. ME1310 Antenna and Lab 1 - 7/18 Propagation (3D)
  • Page 8: 2400 Mhz Dipole Antenna 3D Radiation Pattern Measurement

    Figure 6 – Antenna orientation for 3D radiation pattern measurement 2. In the RadPat v4 software, select 3D Radiation Pattern and then configure the Step Size under the Rotator Control panel to 10 Deg/Step. ME1310 Antenna and Lab 1 - 8/18 Propagation (3D)
  • Page 9 Figure 8 – AUT Angle rotated to 10 degrees 5. Click Next (in the pop-up window shown in Figure 9) and the ME1310 Rx unit will first rotate to 90 degrees, and the AUT radiation pattern measurement at 10 degrees will then begin.
  • Page 10 9. Repeat step 3 to step 7. 10. In the RadPat v4 software, select 3D Plot as shown in Figure 11. Figure 11 – 3D Plot function for plotting 3D radiation pattern ME1310 Antenna and Lab 1 - 10/18 Propagation (3D)
  • Page 11 V-Plane 3D radiation patterns measurement data are located. Set a suitable dB Range for the 3D plot (for example 30 dB) and then click OK. Figure 12 – 3D Radiation pattern plot menu 12. Record the plotted 3D radiation pattern in Appendix A. ME1310 Antenna and Lab 1 - 11/18 Propagation (3D)
  • Page 12: Discussions

    3. Antenna radiation pattern measurements are to be measured in an anechoic chamber to achieve high accuracy. Discuss what could be the source errors if antenna radiation pattern is not measured in an anechoic chamber. ME1310 Antenna and Lab 1 - 12/18 Propagation (3D)
  • Page 13: Appendix A: Antenna Pattern For 2400 Mhz Dipole Antenna Vs 2400 Mhz Dipole Antenna (Vertical Polarize)

    Appendix A: Antenna Pattern for 2400 MHz Dipole Antenna vs 2400 MHz Dipole Antenna (Vertical Polarize) ME1310 Antenna and Lab 1 - 13/18 Propagation (3D)
  • Page 14 3D Antenna Radiation Pattern for 2400 MHz Dipole Antenna vs 2400 MHz Dipole Antenna Sample 3D Record Data: 3D Record 2400 MHz.zip ME1310 Antenna and Lab 1 - 14/18 Propagation (3D)
  • Page 15: Appendix B: Tips On How To Calibrate The Keysight N9912A Fieldfox Rf Analyzer

    10. Upon completing the measurement, press Finish to complete the O,S,L calibration. The calibration can be repeated again at any time in the event that the calibration kit was not properly connected during the calibration process. ME1310 Antenna and Lab 1 - 15/18 Propagation (3D)
  • Page 16: S 21 Calibration

    6. Upon the completion of Step 5, press Finish to complete the Norminal calibration. The calibration can be repeated again at any time in the event that the calibration kit was not properly connected during the calibration process. ME1310 Antenna and Lab 1 - 16/18 Propagation (3D)
  • Page 17: Revision History

    Revised Section 2.1, 2.2 figures and procedures. Changed antenna to 2400 MHz dipole antenna. 1.03 1. Changed equipment setup diagram (Figure 2) for more clarity. 2. Change the setup photo for Figure 4, 6 and 10 for more clarity. ME1310 Antenna and Lab 1 - 17/18 Propagation (3D)
  • Page 18: Contact Us

    Microsoft and Windows are trademarks of Microsoft Corporation in the United States and/or other countries. All other copyrights and trademarks belong to their respective owners. © 2018 Acehub Vista Sdn. Bhd. ME1310 Antenna and Lab 1 - 18/18 Propagation (3D)

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