Test Plans & Test Results
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1 Table of contents P09343 Microwave Devices II Test Plans & Test Results By: Mia Mujezinovic, Michael Pecoraro, Amanda Kristoff, and Joel Barry 1. MSD I: PRELIMINARY TEST PLAN Introduction and Overview Systems and Critical Components Being Tested Approval; Guide, Sponsor Test Strategy Definitions; Important Terminology; Key Words References MSD II WKS 2-4: - FINAL TEST PLAN Data Collection Plan; Sampling Plan Measurement Capability, Equipment Test Conditions, Setup Instructions Sponsor/Customer, Site Related, Requests / Considerations Test Procedure, Work Breakdown Structure, Schedule Assumptions MSD II WKS 3-10 DESIGN TEST VERIFICATION Test Results Logistics and Documentation Definition of a Successful Test, Pass / Fail Criteria Contingencies/ Mitigation for Preliminary or Insufficient Results Analysis of Data Design Summary Conclusion or Design Summary Function/ Performance Reviews References Appendices RIT KGCOE MSD Program Page 1
2 P09343 Microwave Devices II Test Plans & Test Results 1. MSD I: PRELIMINARY TEST PLAN 1.1. Introduction and Overview Project Background. This project is the second project with Anaren Microwave Inc. The previous project during the school year designed, simulated, built and tested a modified Wilkinson power divider. This project will design two 4x4 X-Band Butler Matrices used for antenna beamforming Project Testing Overview. There will be two different layouts explored through this project incorporating four subsystems. The subsystems are a 180 hybrid coupler (Knöchel model), a 90 hybrid coupler (Branchline), a 45 phase shifter (Schiffman) and a connector launch. Each system as well as the individual components will be tested, and their performance evaluated based on the expected results from simulations Systems and Critical Components Being Tested System A. OUTPUTS degree Schiffman Phase Shifter degree Hybrid Coupler INPUTS RIT KGCOE MSD Program Page 2
3 System B. OUTPUTS degree Hybrid Coupler S D S D 90 degree Hybrid Coupler S D 1.3. Approval; Guide, Sponsor Approved by: Team Members Guide Sponsor INPUTS Mia Mujezinovic Michael Pecoraro Amanda Kristoff Joel Barry Prof. George Slack Dr. Jayanti Venkataraman Anaren, Michael Enders RIT KGCOE MSD Program Page 3
4 1.4. Test Strategy Product Specifications and Pass/ Fail Criteria Crit. # Description Nominal Pass/Fail Units 1 Characteristic Impedance 50 +/- 0.2 Ohms 2 Frequency Bandwidth /- 0 GHz 3 Individual Component Return Loss < -15 N/A db Degree Coupler output Magnitude -3 +/- 0.2 db Degree Coupler Output Phase (Port 1 - Input) 0 +/- 2 Degrees Degree Coupler Output Phase (Port 4 - Input) 180 +/- 2 Degrees 7 90 Degree Coupler output Magnitude -3 +/- 0.2 db 8 90 Degree Coupler Output Phase (Port 1 - Input) 90 +/- 2 Degrees 9 90 Degree Coupler Output Phase (Port 4 - Input) 90 +/- 2 Degrees Degree Phase Shifter Phase Difference between Ports 1 and /- 2 Degrees Degree Phase Shifter Magnitude Difference between Ports 1 and 2 0 +/- 0.2 db 12 System A Return Loss < -15 N/A db 13 System A Transmission Error 0 +/- 1.0 db 14 System A output magnitude /- 0.4 db 15 System A output phase error (Port 1 - Input) 0 +/- 3.5 Degrees 16 System A output phase error (Port 2 - Input) 0 +/- 3.5 Degrees 17 System A output phase error (Port 3 - Input) 0 +/- 3.5 Degrees 18 System A output phase error (Port 4 - Input) 0 +/- 3.5 Degrees 19 System B Return Loss < -15 N/A db 20 System B Transmission Error 0 +/- 1.0 db 21 System B output magnitude /- 0.4 db 22 System B output phase error (Port 1 - Input) 0 +/- 1.0 Degrees 23 System B output phase error (Port 2 - Input) 0 +/- 1.0 Degrees 24 System B output phase error (Port 3 - Input) 0 +/- 1.0 Degrees 25 System B output phase error (Port 4 - Input) 0 +/- 1.0 Degrees Required Test Equipment Network Analyzer 0-20GHz minimum, time domain analysis capability Network Analyzer calibration equipment SMA connector test cables SMA adapters SMA 50Ω loads RIT KGCOE MSD Program Page 4
5 Phases of Testing Components 90 Degree Coupler Test output magnitude, phase, return loss 180 Degree Coupler Test output magnitude, phase, return loss 45 Degree Schiffman Phase Shifter Test output magnitude, phase, return loss Integration of System A and System B System A Test return loss, transmission magnitude, transmission error, and output phase when each input it excited. System B - Test return loss, transmission magnitude, transmission error, and output phase when each input it excited Customer Acceptance - Preliminary Test Procedure 1. Calibrate the network analyzer for a frequency range of 9GHz to 14GHz. 2. For each system, connect Port 1 as an input and Port 2 as an output on the network analyzer. 3. Collect the N-port data in magnitude/phase format, making sure that magnitude is in db and the phase is in degrees, for that particular input/output combination. 4. Repeat the procedure for all input/output combinations (16 total combinations). 5. For each component, connect Port 1 as an input and Port 2 as an output on the network analyzer. 6. Collect N-port data in magnitude/phase format for each possible input/output combination, where possible. 7. Using MATLAB, extract the collected N-port data and plot the desired results. o Plot output magnitude of each input and all output combinations. o Plot phase error for all combinations. o Plot transmission error. o Plot return loss. o Plot phase progression. 8. Analyze the results, and determine if the components and system fall within pass/fail criteria. 9. Using HFSS and Designer, determine possible improvements to the components and systems, and show using simulations that observed errors may be corrected Definitions; Important Terminology; Key Words Return loss reflection of signal power resulting from the insertion of a device in a transmission line, and is usually expressed as a ratio in db relative to the transmitted signal power. Transmission error the amount of error in output level, in db, relative to a reference output Phase error amount of error in phase, in degrees, relative to a reference output RIT KGCOE MSD Program Page 5
6 1.6. References Output magnitude amount of power transferred to the output in db Characteristic impedance the ratio of the amplitudes of a single pair of voltage and current waves propagating along the line in the absence of reflections, in ohms. Frequency bandwidth the difference between the upper and lower frequencies at which the components and systems are designed Hybrid coupler a type of directional coupler where the input power is equally divided between two output ports (3dB power split) Phase Shifter used to change the transmission phase angle (phase of S21) of a network Beamforming a signal processing technique used in sensor arrays for directional signal transmission or reception Component and System Design Knochel, R. and B. Mayer, Broadband printed circuit 0 /180 couplers and high power inphase power dividers, IEEE MTT-S Microwave Symposium Digest, vol, 1, May 1990, pp He, J. and B.-Z. Wang, Q.-Q. He, Y.-X. Xing, and Z.-L. Yin, "Wideband X-Band Microstrip Butler Matrix", 2007 Progress in Electromagnetics Research, PIER 74, pp Kumar, S., "A Multisection Broadband Impedance Transforming Branch-Line Hybrid", 1995 IEEE Transactions of Microwave Theory and Techniques, Vol. 43, No. 11, pp Khan, O. U., "Design of X-band 4x4 Butler Matrix for Microstrip Patch Antenna Array", 2006 IEEE Region 10 Conference. Schiffman, B. M., A New Class of Broad-Band Microwave 90-Degree Phase Shifters, IRE Trans. Michrowave Thoery Tech., vol. 6, no. 2, April 1958, pp RIT KGCOE MSD Program Page 6
7 2. MSD II WKS 2-4: - FINAL TEST PLAN Introduction: A brief description that states the purpose of the team s testing needs. Note to Teams: The Final Test Plan is due in Week 5 of Senior Design 2 and details the specific methodologies to support both the overall systems specifications and detailed sub-system specifications. This portion of the test plan need to be revisited periodically to ensure your test strategy is in agreement with the team members and project mission Data Collection Plan; Sampling Plan Test Templates/ Tables/ File Locations Tests (list or table): test # and name; test description Traceability or verification matrix (table): specification # and brief description; system component embodying the spec (optional); test # (name optional if contained elsewhere); test date field (start/stop dates may be needed), pass/fail or test result field (verification); remarks or actions needed if test failed; signoff. Several specifications may utilize the same test routine, so duplicate entries should point to one entry which contains more detailed information. EDGE team website structure (i.e. document names, file types, and header location) Phases of Testing Component Subsystem Integration Reliability Customer Acceptance Sampling Techniques Sample Size Reporting Problems; Corrective Action Add here or remove any other critical needs, as applicable Measurement Capability, Equipment If there are measurement issues or techniques over and beyond RITs equipment, then either a, specific test devices test stands need to be designed for the purpose of testing or test waiver Add here Test Conditions, Setup Instructions RIT KGCOE MSD Program Page 7
8 Add here or remove as applicable Sponsor/Customer, Site Related, Requests / Considerations Add here or remove as applicable Test Procedure, Work Breakdown Structure, Schedule Note to Team: Who is testing what? Why are you testing what you are testing? Are there interdependencies between subsystems (Block Diagram)? Can test equipment enable preliminary simulation of needed signals prior to integrating into the next level of completion? Add here or remove as applicable Assumptions List here including reasons why or remove as applicable Add here or remove as applicable. RIT KGCOE MSD Program Page 8
9 3. MSD II WKS 3-10 DESIGN TEST VERIFICATION Note to Teams: Populate the templates and test processes established in Final Test Plan. These elements can be integrated or rearranged to match project characteristics or personal/team preferences Test Results Component Subsystem Integration Reliability Customer Acceptance 3.2. Logistics and Documentation Where are the test results being performed, logged (i.e. project notebook) and documented (i.e. excel spreadsheet)? EDGE team website structure (i.e. document names, file types, and header location) Definition of a Successful Test, Pass / Fail Criteria 3.4. Contingencies/ Mitigation for Preliminary or Insufficient Results 3.5. Analysis of Data Design Summary 3.6. Conclusion or Design Summary Can you explain why a particular function doesn t work? Add here or remove how the conclusions are to be reported or summarized (i.e. significance with confidence, pass/fail, etc.) as applicable Function/ Performance Reviews Note: Some teams organize reviews on a weekly bases starting in week 4 or 5 and other may wish to wait until week 10 or 11. Discuss with your Guide Debriefing your Guide and Faculty Consultants Share test results, conclusions, any follow-on recommendations, design summary Lab Demo with your Guide and Faculty Consultants Perform each of the specifications and features Meeting with Sponsor RIT KGCOE MSD Program Page 9
10 3.8. References See Customer Acceptance above. Field Demonstration. Deliver the project. Demonstrate to the Sponsor. Customer needs met / not met. Add here or remove as applicable Add here or remove as applicable Appendices Add or remove as applicable Add here or remove as applicable. RIT KGCOE MSD Program Page 10 Revision:
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