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High-Density Small-Size RF Test Module for High Throughput Multiple Resource Testing

This paper discusses a compact RF module for ATE emphasizing high throughput RF function testing with full 4-channel resources integration. It compares new RF-SiP and board construction technologies to conventional methods, highlighting key performance metrics like dynamic range and settling time.

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High-Density Small-Size RF Test Module for High Throughput Multiple Resource Testing

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  1. A High Density Small Size RF Test Module for High ThroughputMultiple Resource Testing Masayuki Kimishima ADVANTEST Corporation

  2. Purpose • Trend of RF Test • Increasing Test Ports of Devices • Requirement for Low Test Cost • Requirements for RF ATE • A Number of Simultaneous Measurement • Higher Throughput of RF Function Test • -Our Target of RF Module for ATE- • Full 4-cHResources Integration with Compact Size • High Throughput of RF Function Test

  3. Outline • Comparison of New and Conventional RF Module • RF-SiP and RF board Construction • Core Technologies of RF-SiP - VNA Front-End SiP - High Speed SW Technology - RF Synthesizer SiP • Performance of New RF Module • Conclusion

  4. Conventional RF Module ConstructionBased on “RF-HBIC and Coaxial Cable” • Circuit Construction • RF-HBIC • RF Interconnection • Coaxial Cable • Frequency Synthesizer • YIG-Tuned Oscillator • Signal SW and Attenuator Circuits • PIN Diode, or Conventional HEMT • Facing Difficulties in realization of • Multiple Resource Integration • Higher Throughput

  5. New RF Module ConstructionBased on “RF-SiP and RF board” • Circuit Construction • RF-SiP • RF Interconnection • BGA & RF board • Frequency Synthesizer • SiP Integration by PLL-LSI • Signal SW and Attenuator Circuits • High Speed SW and ATT MMICs • Achievement of Compact RF Module with • Full 4-cH Multiple Resources • Higher Throughput per cH

  6. Structure of New RF Module Each Boards for 4-cH Volume Corresponds to“ 1/15 ” with Conventional Structure

  7. Can Operate Each of 4-cH Individually Resource Construction of RF Module New RF Module Conventional RF Module

  8. Outline • Comparison of New and Conventional RF Module • RF-SiP and RF board Construction • Core Technologies of RF-SiP - VNA Front-End SiP - High Speed SW Technology - RF Synthesizer SiP • Performance of New RF Module • Conclusion

  9. Structure of RF-SiP ALL SiPs are the same size of 20mm sq.

  10. RF Front-End Diagram for One Channel RF Front-End Board RF Synthesizer Board

  11. Outline • Comparison of New and Conventional RF Module • RF-SiP and RF board Construction • Core Technologies of RF-SiP - VNA Front-End SiP - High Speed SW Technology - RF Synthesizer SiP • Performance of New RF Module • Conclusion

  12. Block Diagram of VNA-FE SiP

  13. Measured Data of VNA-FE SiP Accuracy Conversion Gain and Noise Figure Dynamic range@1MHz BW, Freq-input : 2GHz = Pin_max - (Floor Noise + NF + Gain) - BW = + 10 - (-174 + 38 - 10) - 60 = 96 dB

  14. Outline • Comparison of New and Conventional RF Module • RF-SiP and RF board Construction • Core Technologies of RF-SiP - VNA Front-End SiP - High Speed SW Technology - RF Synthesizer SiP • Performance of New RF Module • Conclusion

  15. Settling Time of HEMT Device Definition of Settling Time Our Definition is 0 to 99.9% (0.01dB) Comparison of Settling Time for HEMTs

  16. This Work Conventional HEMT Measurement Great Improvement on Settling Time Simulation Measured Data of SP4T Switch MMIC Frequency Characteristics Settling Time

  17. Outline • Comparison of New and Conventional RF Module • RF-SiP and RF board Construction • Core Technologies of RF-SiP - VNA Front-End SiP - High Speed SW Technology - RF Synthesizer SiP • Performance of New RF Module • Conclusion

  18. Block Diagram of RF Synthesizer SiP(Fractional-N Frequency Synthesizer) 13 VCOs PLL-LSI

  19. Measured Data of Multi-Band VCOs(Frequency Response & Phase Noise) @ 1MHz off carrier

  20. Fraction Integer 48-bit, 4th-Order MASH Architecture - Step Size < 100 uHz - Quantization Noise Shaping Around 400kHz Loop BW Integer Fraction Block Diagram of Fractional-N Frequency Divider

  21. Outline • Comparison of New and Conventional RF Module • RF-SiP and RF board Construction • Core Technologies of RF-SiP - VNA Front-End SiP - High Speed SW Technology - RF Synthesizer SiP • Performance of New RF Module • Conclusion

  22. Performance of New RF Module Dynamic Range of VSG Frequency Settling Time of VSG < 150 usec Conventional : 800 usec

  23. Conclusion Compact Size RF Test Module with • Full 4-cH Resource Integration • Using RF-SiP and RF board Instead of Hybrid-IC and Coaxial Cable • Elimination of YIG Oscillator and PIN-Diode Switch • High Throughput of RF Function Test • High Speed Switch/Attenuator MMIC • VCO Base RF Synthesizer

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