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PRIME Antenna Inc. Antenna Test Team Adam Straubinger Alan Condino Thanh Hong Ronnie Berg Sam Gregorio.

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Presentation on theme: "PRIME Antenna Inc. Antenna Test Team Adam Straubinger Alan Condino Thanh Hong Ronnie Berg Sam Gregorio."— Presentation transcript:

1 PRIME Antenna Inc. Antenna Test Team Adam Straubinger Alan Condino Thanh Hong Ronnie Berg Sam Gregorio

2 Background Information Antennas Serves as a “transducer”

3 Requirements Test: Test: Power vs radiation angle Power vs frequency patterns Compare results with established data Compare results with established data

4 Major Tasks/System Components Design and build an anechoic test chamber Design and build an anechoic test chamber Power Supply Power Supply Motor and Motor Driver Motor and Motor Driver Integrate test equipment into the anechoic test chamber Integrate test equipment into the anechoic test chamber Test, gather, analyze and interpret data Test, gather, analyze and interpret data

5 SYSTEM COMPONENTS Anechoic Test Chamber Motor and Motor Driver Power Supply Power Supply Computer/Hardware Interface Testing Program Test Equipment and Interface

6 Antenna Range Block diagram

7 Anechoic Wooden Box TEST CHAMBER

8 ROTARY TURNTABLE Height adjustable from 12”–24” 4” machinist’s rotary table

9 Motor Drive Stepper Motor

10 Block Diagram of Motor Drive

11 Manual Motor Control

12 Power Supply The Power supply converts 115V 60 Hz input from a wall socket and is connected to a step down transformer module, rectified and filtered to +10V and +5V. The Power supply converts 115V 60 Hz input from a wall socket and is connected to a step down transformer module, rectified and filtered to +10V and +5V.

13 Block Diagram of Power Supply

14 Block Diagram of Optical Sensor

15 Graphic User Interface Automated antenna testing through LabVIEW graphic user interface (GUI). Automated antenna testing through LabVIEW graphic user interface (GUI). Antenna position and GPIB control for data acquisition. Antenna position and GPIB control for data acquisition. Test data collected is processed and displayed graphically. Test data collected is processed and displayed graphically. Laboratory Virtual Instrument Engineering Workbench. http://www.ni.com Laboratory Virtual Instrument Engineering Workbench. http://www.ni.com

16 Graphic User Interface

17 Automated Antenna Testing Start by selecting test frequency and power. Start by selecting test frequency and power. Select azimuth test parameters. Select azimuth test parameters. Ready to Test Ready to Test

18 Automated Antenna Testing Select desired instrumentation. Select desired instrumentation. Select data achieving options. Select data achieving options.

19 Automated Antenna Testing Begin Auto Test Begin Auto Test Measured Power and testing progress is displayed. Measured Power and testing progress is displayed.

20 Automated Antenna Testing End of Test End of Test

21 Single Step Mode Press STEP for each step. Press STEP for each step. Test equipment is controlled manually Test equipment is controlled manually

22 Error Checking Press STEP for each step. Press STEP for each step. Test equipment is controlled manually Test equipment is controlled manually

23 Test Signal Reference Signal generation to 3.2 GHz Signal generation to 3.2 GHz Power output from -136 to +10 dBm. Power output from -136 to +10 dBm.

24 Power Measurement Signal measurement to 6.2 GHz Signal measurement to 6.2 GHz -166 dBm sensitivity. -166 dBm sensitivity.

25 Review of Expenses Chamber/Contruction$380 Rotary Table $129 Stepper Control $40 RF Cables/Connectors $50 Total Costs $599 Subsidized Costs $349 Final Expenses$250

26 Conclusions Accomplishments A viable automated RF testing chamber A viable automated RF testing chamber Accurate automated testing system Accurate automated testing system

27 Questions?


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