Volume Manufacturing Trends for Automotive Radar Devices€¦ · Automotive Radar Devices Jake...
Transcript of Volume Manufacturing Trends for Automotive Radar Devices€¦ · Automotive Radar Devices Jake...
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IMS2011 in Baltimore: A Perfect Match
IMS2011
Volume Manufacturing Trends for Automotive Radar Devices
Jake SandersonAgilent Technologies, Santa Rosa, CA, USA
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IMS2011 in Baltimore: A Perfect Match
Agenda
•Automotive Radar Technology Overview•Test Requirements•Evolution of Test Solutions
Slide 2
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IMS2011 in Baltimore: A Perfect Match
Automotive Radar Technology
•Applications- Adaptive Cruise Control System (ACCS)- Collision Avoidance- Collision Warning- Parking Aid- etc
Slide 3
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IMS2011 in Baltimore: A Perfect Match
Automotive Radar Technology
•Moving from luxury to mainstream- Mercedes, Jaguar, Audi, Lexus- Toyota, VW, Volvo, Honda, Nissan
•Move from comfort(i.e. cruise control) to safety (i.e. active braking)
Slide 4
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IMS2011 in Baltimore: A Perfect Match
Automotive Radar Technology
•Frequency Bands- 24-26 GHz- 22-29 GHz- 77-81 GHz
•Bandwidths- Move toward UWB (100 MHz -> 1 GHz or
more)
Slide 5
TRW 77 GHz sensor module
Tyco/M/A-Com 24 GHz sensor module
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IMS2011 in Baltimore: A Perfect Match
Test Requirements
•Antenna Pattern
•Target Simulation
•Spectrum Emissions
•FCC, ETSI, ITU standards- Maximum radiated power specifications
Slide 6
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IMS2011 in Baltimore: A Perfect Match
Evolution of Test Solutions
Slide 7
Spectrum Analyzers and Signal Generators
Less expensive
More flexible Speed lower
High-volumeATE Systems
Mostexpensive
Less flexible Speed high
PXIe-based Instrumentation
Less expensive
More flexible Speed high
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IMS2011 in Baltimore: A Perfect Match
Evolution of Test Solutions
Slide 8
Swept SA Wideband PXIe VSA
…
0 1 2 3 … NN Acquisitions * 100 ms
Single Acquisition at 100 ms sweep time (N times faster!)
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IMS2011 in Baltimore: A Perfect Match
Evolution of Test Solutions
Slide 9
DSP or FPGA
WaveformRAM
PCHost
Measurement Results
WaveformRAM
PCHost
Measurement Results- OR -
Processing data captured with wideband VSA
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IMS2011 in Baltimore: A Perfect Match
Evolution of Test Solutions
Slide 10
• Agilent M9392A 26.5 GHz VSA
• 250 MHz Instantaneous Bandwidth
• 2 GSa/s, 12-bit digitizer
• PCIe interface from digitizer
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IMS2011 in Baltimore: A Perfect Match
Evolution of Test Solutions•Example Results
- Swept SA: 12.5 sec- PXIe VSA: 2.8 sec- Theoretical Minimum: 100 msec
Slide 11
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IMS2011 in Baltimore: A Perfect Match
Summary
• Automotive Radar Deployment on the Rise
• Test Solutions Evolving to Meet New Requirements
Slide 12