mixed-signal option for the teradyne integra j750 test system
DESCRIPTION
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 - PowerPoint PPT PresentationTRANSCRIPT
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 INL – Integral Nonlinearity DNL – Differential Nonlinearity
Input Requirements & Specifications
Input Requirements Devices
ADC DAC Op-Amp
Input Specifications ADC
10 bit 12 bit
DAC 10 bit 12 bit
Op-Amp High Speed
Inputs
Detailed Design ADC
AD7892 AD7470
Op-Amp AD823
DAC AD5447 AD5440
Output
Requirements Test Results
Specifications Input Signals Output Signals Calculations
Outputs
ADC HLHLHL
DACHLHLHL
Op-Amp
Outputs
Detailed Design ADC and DAC
INL DNL
Op-Amp Bandwidth Offset Voltages Intermodulation Test
Outputs
Detailed Design Integral Nonlinearity
Digital Input 0x00 - 0xFF
Ana
log
Out
put 0
- 5
V •
INL = Actual Output - Expected Output
Actual Output
Expected Output
Outputs
Detailed Design DNL
Digital Input 0x00 - 0xFF
Ana
log
Out
put 0
- 5
V
•
DNL=Actual Step Size - Expected Step Size
Expected Step Size
Actual Step Size
Outputs
Detailed Design Intermodulation Test
100
-60dB
0dB
FREQUENCY
F2 150 200 250500
F2
+ F
1
F2
- F
1
F1
MA
GN
ITU
DE
User Interface
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
Software
Requirements IG-XL
Specifications Pin & Channel Maps AC & DC Specs Time Sets Levels Test Instances Procedures Flow Table
Software
Detailed Design Data for IG-XL worksheets is gathered from the
datasheets for the DUT
Software
AC specs
Time Sets
Hardware
Requirements Teradyne J750 Device Interface Computer
Specifications DIB Daughterboard Socket Converter
Hardware
Detailed Design Create mapping from DIB to DUT
Map DIB to Daughterboard Map Daughterboard to Socket Converter Map Socket Converter to DUT
Hardware
Hardware
Hardware
Testing
Requirements Cookbook use
Team Members Faculty Advisor Students
Specifications Ease of manipulation for
different models Ease of changing desired
calculations
Thank You
Questions?