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DAC3XJ8X EVM Test Procedure–. New: January 7, 2014 Revised: November 6, 2014 – Added DAC39J82, DAC39J84. Required Hardware. DAC3XJ8X EVM TSW14J56 USB Cables (2) 5-V Power Supplies (2) Altera JTAG Programming Pod (USB Blaster) Signal generator (optional)
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DAC3XJ8X EVM Test Procedure– New: January 7, 2014 Revised: November 6, 2014 – Added DAC39J82, DAC39J84
Required Hardware • DAC3XJ8X EVM • TSW14J56 • USB Cables (2) • 5-V Power Supplies (2) • Altera JTAG Programming Pod (USB Blaster) • Signal generator (optional) • Spectrum Analyzer (capable of ACLR testing)
Required Software • HSDCPro v2.5 (or newer)http://www.ti.com/tool/dataconverterpro-sw • DAC3XJ8X GUI v1.1 (or newer)http://www.ti.com/tool/dac38j84evm • FT_Prog (v2.8 or newer) – there are problems with v2.4http://www.ftdichip.com/Support/Utilities.htm#FT_Prog • Altera Quartus II Programmerhttp://dl.altera.com/13.0/?edition=subscription&platform=windows&download_manager=direct
1. Connect Boards 5-V Power Supply Programming Pod (J15 – Prog CPLD) USB 10 MHz Not Required Spectrum Analyzer 5-V Power Supply Switch to “On” USB
2. Program USB Chip 1. Scan for devices 2. Right click and choose: Apply Template -> From File 5. Cycle Ports 3. Load template for the correct DAC 4. Program device
3. Program CPLD 2. Check “Program/Configure” and “Verify” 1. Add File: “DAC38J84_CPLD_Firmware.pof” 5. Make sure “Successful” 3. Select USB Blaster 4. Start
4. Open HSDCPro (See next slide for screenshot) • Select the correct TSW14J56 and click “Okay” • Select DAC tab • Choose DAC (see table) from “Select DAC” drop down menu • Download firmware when popup comes up • Enter “737.28M” for Data Rate and choose “2’s complement” • Click “Load File and Transfer into TSW1400” and select “WCDMA_TM1_complexIF30MHz_Fdata737.28MHz_1000.tsw” • Do not click “Send” yet
HSDCPro Screenshot DAC3XJ82_LMF_421 for DAC37J82, DAC38J82, and DAC39J82 DAC3XJ84_LMF_841 for DAC37J84, DAC38J84, and DAC39J84
5. Open DAC3XJ8X GUI See next two slides for configuration depending on which EVM is used
GUI Config – DAC37J82, DAC38J82, DAC39J82 1. Configure as shown here 2. Program EVM
GUI Config – DAC37J84, DAC38J84, DAC39J84 1. Configure as shown here 2. Program EVM
Test Limits • Contact TI for support if any adjacent channel is below 77 dBc or any alternate channel is below 80 dBc • Trouble shooting: • For Agilent PSA: • Enable “Noise Correction” by going to “Meas Setup” then select the “More” option then enable noise correction • Use the spectrum analyzer’s “Optimize Ref Level” feature in the “Meas Setup” menu • For Rhode and Schwarz FSQ: • Enable “Noise Correction” in “MEAS” menu then select “CHAN PWR ACPR” and enable noise correction • Use “ADJUST REF LVL” in the same menu