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Mixed-Signal Option for the Teradyne Integra J750 Test System

Mixed-Signal Option for the Teradyne Integra J750 Test System. May08-12 Emily Evers Vincent Tai. Definitions. ADC – Analog-to-Digital Converter DAC – Digital-to-Analog Converter DIB – Device Interface Board DUT – Device under Test IG-XL – Software used by Teradyne for the J750 tester

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Mixed-Signal Option for the Teradyne Integra J750 Test System

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  1. Mixed-Signal Option for the Teradyne Integra J750 Test System May08-12 Emily Evers Vincent Tai

  2. Definitions • ADC – Analog-to-Digital Converter • DAC – Digital-to-Analog Converter • DIB – Device Interface Board • DUT – Device under Test • IG-XL – Software used by Teradyne for the J750 tester • INL – Integral Nonlinearity • DNL – Differential Nonlinearity

  3. Input Requirements Devices ADC DAC Op-Amp Input Specifications ADC 10 bit 12 bit DAC 10 bit 12 bit Op-Amp High Speed Input Requirements & Specifications

  4. Inputs • Detailed Design • ADC • AD7892 • AD7470 • Op-Amp • AD823 • DAC • AD5447 • AD5440

  5. Requirements Test Results Specifications Input Signals Output Signals Calculations Output

  6. ADC HLHLHL HLHLHL DAC Op-Amp Outputs

  7. Outputs • Detailed Design • ADC and DAC • INL • DNL • Op-Amp • Bandwidth • Offset Voltages • Intermodulation Test

  8. INL = Actual Output - Expected Output l l l Actual Output l l Expected Output l Analog Output 0 - 5V l Digital Input 0x00 - 0xFF l Outputs • Detailed Design • Integral Nonlinearity

  9. Analog Output 0 - 5V Digital Input 0x00 - 0xFF l l Actual Step Size l l Expected Step Size l l DNL=Actual Step Size - Expected Step Size l Outputs • Detailed Design • DNL

  10. 0dB MAGNITUDE -60dB 0 50 100 150 200 250 F2 F1 F2 - F1 F2 + F1 FREQUENCY Outputs • Detailed Design • Intermodulation Test

  11. Requirements Mixed-Signal Cookbook IG-XL Specifications Mixed-Signal Cookbook Written in English Easy-to-use IG-XL Program Create test programs with adequate commenting User Interface

  12. User Interface

  13. Requirements IG-XL Specifications Pin & Channel Maps AC & DC Specs Time Sets Levels Test Instances Procedures Flow Table Software

  14. Software • Detailed Design • Data for IG-XL worksheets is gathered from the datasheets for the DUT

  15. AC specs Time Sets Software

  16. Requirements Teradyne J750 Device Interface Computer Specifications DIB Daughterboard Socket Converter Hardware

  17. Hardware • Detailed Design • Create mapping from DIB to DUT • Map DIB to Daughterboard • Map Daughterboard to Socket Converter • Map Socket Converter to DUT

  18. Hardware

  19. Hardware

  20. Hardware

  21. Requirements Cookbook use Team Members Faculty Advisor Students Specifications Ease of manipulation for different models Ease of changing desired calculations Testing

  22. Thank You • Questions?

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