FieldFox Handheld Education Series Part 6: Correlating Microwave Measurements between Handheld and Benchtop Analyzers FieldFox Handheld Education Series • Interference Testing • Cable and Antenna Measurements • Calibration and Alignment • Time Domain Measurements • Precise Power Measurements • Precise Data Correlation www.agilent.com/find/FieldFoxWebcasts Tom Hoppin Business Development Manager Co-sponsored by: © 2012 Agilent Technologies July 24th, 2013 July 24 2013 Correlating Microwave Measurements between Handheld and Benchtop Analyzers For the purposes of this tutorial, we will use the term “correlation” to describe agreement of data measured on different instruments 2 July 24th, 2013 Outline • Laboratory and Field Measurements • Application Examples • Correlating Measurements • Handheld Technologies • Remote Operation • Conclusions 3 July 24th, 2013 Lifecycle for Microwave Product Testing Measurements required at • Research / Prototyping • Product Development • Manufacturing Laboratory Test • Installation Field Test • Maintenance • Troubleshooting Measurements must be • Accurate • Repeatable 4 Correlation between Lab and Field Production Testing Field Testing July 24th, 2013 Laboratory and Field Measurements R&D Setup Field Testing Data Correlation “All-in-one” Handheld FieldFox handhelds have comparable performance to benchtop instruments 5 July 24th, 2013 Application Example: Field Testing a Radar System Pack Ship Site Delivery AC Power System Test Benchtop Instruments Breakdown Pack Ship 6 July 24th, 2013 Application Example: Field Testing a Radar System Pack Ship Site Delivery AC Power System Test Benchtop Instruments • 1 month start to finish • Lock up >$150K equipment 7 Breakdown Pack Ship July 24th, 2013 “Combination” Handheld for Field Use Luggage Pack Carry System Test Luggage Pack Microwave FieldFox Combination Analyzer Combination Handheld includes • RF Power Meter • Spectrum Analyzer • Vector Network Analyzer • DC Source Voltage/Current Meter Carry 2 Days Benchtop Measurements = Handheld Measurements 8 July 24th, 2013 Handheld and Benchtop Correlation – S Parameters Overlay S11, S21 Measurements PNA-X Benchtop DUT is 10.24 GHz Passband Filter FieldFox Handheld Correlation Values 9 D Mkr (PNA-FF) S11 (dB) S21 (dB) Mkr 2 Passband 0.02 0.02 Mkr 1 Reject Left -0.02 -0.52 @ 78dB down Mkr 3 Reject Right 0.00 -0.12 @ 65dB down Benchtop and handheld measurements correlate very well. July 24th, 2013 Handheld and Benchtop Correlation – S Parameters Overlay S11, S21 Measurements PNA-X Benchtop DUT is 10.24 GHz Passband Filter FieldFox Handheld Correlation Values 10 D Mkr (PNA-FF) S11 (dB) S21 (dB) Mkr 2 Passband 0.02 0.02 Mkr 1 Reject Left -0.02 -0.52 @ 78dB down Mkr 3 Reject Right 0.00 -0.12 @ 65dB down Benchtop and handheld measurements correlate very well. July 24th, 2013 Application Example: Prototype Testing Test Requirements Prototype Limiting Amplifier 1. 2. 3. 4. 5. 6. 7. 8. Output RF Power Harmonics Spurs Bandwidth Gain VSWR Isolation DC Power Power Spectrum S-parameters 11 July 24th, 2013 Application Example: Prototype Testing Equipment Prototype Limiting Amplifier 1. 2. 3. 4. 5. 6. 7. 8. Output RF Power Harmonics Spurs Bandwidth Gain VSWR Isolation DC Power RF Source / RF Power Meter Spectrum Analyzer Vector Network Analyzer DC Supply / Multimeter Power Spectrum S-parameters 12 July 24th, 2013 Prototype Testing: Benchtop or Handheld ? Typical R&D Setup Combination Handheld Analyzer N9918A 26.5 GHz FieldFox Create elaborate test bench 13 • RF Power Meter • Spectrum Analyzer • Vector Network Analyzer • RF Signal Source • DC Source / Multimeter July 24th, 2013 Prototype Testing: Benchtop or Handheld ? Typical R&D Setup Combination Handheld Analyzer Correlation Create elaborate test bench 14 N9918A 26.5 GHz FieldFox • RF Power Meter • Spectrum Analyzer • Vector Network Analyzer • RF Signal Source • DC Source / Multimeter July 24th, 2013 Equipment Choices for RF Power Measurement Sensor Laptop with Software Meter USB Cable USB Sensor FieldFox FieldFox (CPM) USB Cable USB Sensor 15 RF Jumper Cable No sensor required July 24th, 2013 RF Power Measurement Power Width = 20msec PRI = 100msec Average Power U2000A USB Power Sensor DF = 20% 3 GHz Carrier FieldFox CPM No sensor required 16 July 24th, 2013 RF Power Over Frequency Benchtop Handheld PSG Signal Generator E4413A Cable Test Point N9918A 26.5 GHz FieldFox N1914A Freq (GHz) Sensor (dBm) CPM (dBm) 0.1 -0.07 -0.10 18 -2.90 -2.84 26.5 -3.75 -3.71 Average Power Measurement, CW Signal FieldFox InstAlign provides automatic internal alignment • Valid over the full frequency range and operating temperature of -10 to +55°C • No warm up required 17 July 24th, 2013 Spectrum Analyzer Correlation Benchtop MXA Handheld FieldFox MXA: Mkr Delta -40.37 dB 18 FieldFox: Mkr Delta -40.07 dB July 24th, 2013 Spectrum Analyzer Correlation Benchtop MXA Handheld FieldFox MXA: Mkr Delta -40.37 dB FieldFox: Mkr Delta -40.07 dB Reduced Dynamic Range and Longer Sweep Time 19 July 24th, 2013 VNA Correlation HP 8510C 20 S21 S11 S22 S12 8510 July 24th, 2013 VNA Correlation HP 8510C PNA-X S21 S11 S22 S12 8510 PNA-X 21 July 24th, 2013 VNA Correlation HP 8510C PNA-X FieldFox S21 S11 S22 S12 8510 PNA-X FieldFox 22 July 24th, 2013 FieldFox VNA Calibration Process Traditional Calibration 1 2 S O L Thru S O L Seven connections required S O Requires calibration kit T 23 L July 24th, 2013 FieldFox VNA Calibration Process Traditional SOLT Calibration 1 2 FieldFox QuickCal 1 2 Cal Plane S O L Open Thru S O L Connect Cal Plane Seven connections required S No cal kit required O Requires calibration kit T 24 L • Ideal for Field Testing • Also CalReady & Cal Wizard July 24th, 2013 Comparing QuickCal and Mechanical Calibrations Measurement of a Coaxial Cable Two-Port Cal QuickCal 25 July 24th, 2013 MMICs enable Performance, Power and Size Monolithic Microwave Integrated Circuits (MMIC) QFN HF Input Reflectometer Wilson LO's Simulating 1.08 GHz Input Signal 80 First LO VC O Model First LO Loop Model R&S Second LO VC O Model Second LO Loop Model Dif f erence 85 COTS - Hittite 90 95 R&S – FSH8 100 105 dBc/H z 110 WilsonMW 115 120 125 130 135 140 145 Source Phase Noise 150 100 110 3 110 4 110 5 110 6 110 7 Frequency MMICs provide the highest level of integration • High performance & correlation to benchtop instruments • Low power consumption, 14 watt (no fan or vents needed). RF Board • Lightweight, 3 kg (6.6 lbs) • High reliability, 3 year warranty • MMICs designed and manufactured by Agilent Microwave FieldFox 26 July 24th, 2013 Agilent’s High Frequency Technology Center • Complete MMIC wafer design and fabrication capability • Approx.150 wafers & 250,000 chips output per month • Differentiate Agilent products / most IP not for sale Agilent Santa Rosa, California Over 300 MMICs 13k sq. ft. clean room Spectrum Analyzers 27 Network Analyzers Handheld FieldFox July 24th, 2013 FieldFox has Benchtop Measurement Science FieldFox analyzers share the same measurement science from the best network and spectrum analyzers. “FieldFox’s result is almost identical to my PNA. I want one of these for all of my engineers.” -Senior calibration engineer from spacecraft research and development center. 28 July 24th, 2013 Application Example: Microwave Backhaul • Critical to 3G/4G Networks • 200 Mbps to over 1 Gbps • Challenging test conditions • Numerous measurements • Minimize system downtime • Factory and field correlation 29 July 24th, 2013 Application Example: Microwave Backhaul Test 30 CAT: Line sweep SA: Antenna alignment CPM: Transmit Power SA: Frequency Verification SA: Path Loss Verification VNA: Combiner tuning July 24th, 2013 Remote Control via iOS devices Apple® iPAD ® Interface • Remote Viewer iOS App (Apple® Store) • Remote Control Capability 31 July 24th, 2013 FieldFox Rugged to MIL-PRF-28800F Class 2 MIL-spec durability Meets MIL-PRF-28800F Class 2 requirements Type tested and meets MIL-STD-810G, Method 511.5 Procedure I requirements for operation in explosive environments Field-proof Type tested to IP53: completely sealed instrument enclosure provides measurement stability in dusty and wet environments 3-year warranty ensures field confidence (standard on all FieldFox analyzers) Low emissions, meets CISPR Pub 11, class B Water-resistant chassis, keypad, and case withstand wide temperature ranges, and salty, humid environments • Case withstands shock and vibrations • Wide operating temperature -10 to +55 °C (+14 to +131 °F) • Wide storage temperature -51 to +71 °C (-60 to +160 °F) 32 July 24th, 2013 Agilent FieldFox Combination Analyzers Combination Analyzers can be configured with the following capabilities • Cable and Antenna Test (CAT) • Vector Network Analyzer (VNA) • Spectrum Analyzer • Independent Source • Vector Voltmeter (VVM) • Power Meter • Models include frequencies up to 26.5 GHz • 6.6 pounds (3 kg) • Built-in GPS • 3.5 hour battery life Carry precision with you - Agilent-quality measurements 33 July 24th, 2013 Conclusions Data correlation makes FieldFox ideal for accurate performance validation of complex systems in the field Data correlation means that FieldFox is an useful companion (not a replacement) for benchtop instruments in the lab MMIC technology and Agilent measurement science provides the outstanding performance of FieldFox Remote control using iOS devices provides value to field and educational users 34 July 24th, 2013 For More Information Web: www.agilent.com/find/FieldFox Email: [email protected] Literature: - Techniques for Precise Interference Measurements in the Field, application note, literature number 5991-0418EN - Techniques for Precise Cable and Antenna Measurements in the Field, application note, literature number 5991-0419EN - FieldFox Handheld Analyzers, brochure, literature number 5990-9779EN 6th in a series of application webcasts • Sept 26, 2012: Interference Testing • Oct 24, 2012: Cable and Antenna Measurements • Nov 28 2012: Calibration and Alignment • Jan 23 2013: Time Domain Measurements • Mar 27 2013: Precise Power Measurements • Jul 24 2013: Precise Data Correlation Registration: www.agilent.com/find/FieldFoxWebcasts Co-sponsored by Thank you for your time Questions? © 2012 Agilent Technologies References • Agilent Application Note, Techniques for Precise Interference Measurements in the Field Using FieldFox handheld analyzers, Literature Number 5991-0418EN, February 2013 • Agilent Application Note, Techniques for Precise Cable and Antenna Measurements in the Field Using FieldFox handheld analyzers, Literature Number 5991-0419EN, June 2013 • Agilent Application Note, Techniques for Time Domain Measurements Using FieldFox handheld analyzers, Literature Number 5991-0420EN, March 2013 • Agilent Application Note, Techniques for Precise Calibrations in the Field Using FieldFox handheld analyzers, Literature Number 5991-0421EN, February 2013 • Agilent Application Note, Techniques for Precise Power Measurements in the Field Using FieldFox handheld analyzers, Literature Number 5991-0423EN 36 July 24th, 2013