1. High Speed Data Converter University
LAB Sessions
High Speed Data Converter University
Updated Q – Jim Seton 1

2. TI Confidential – NDA Restrictions
TSW TSW3085
- RF Transmitter Reference Design
- Pattern Generator
TSW TSW1400
- Dual Receiver Reference Design
- Data Capture
TI Confidential – NDA Restrictions

3. TI Confidential – NDA Restrictions
TSW1400 (Pattern Generator Mode)
TSW3085
TX RF Output
TSW1400 (Capture Mode)
TSW1265
TI Confidential – NDA Restrictions

4. TI Confidential – NDA Restrictions
TSW1400 & TSW3085 Setup Block Diagram 4
TI Confidential – NDA Restrictions

5. TI Confidential – NDA Restrictions
TSW TSW1265 Setup Block Diagram PC
USB
USB 5V
Clock Source
USB
CLKIN1
USB
5V in
REF In
ADC INTERFACE J1
RFIN-A
RF Source Input (TSW3085)
TSW1400
ADC
TSW1265
REF Out
6V in
LO2
TSW3065 6V 6V
6V in 5
TI Confidential – NDA Restrictions

6. TI Confidential – NDA Restrictions
Software Loading
The latest version of the GUI software files and User’s Guide manual can be found on
the TI website by entering “TSW1400EVM” in the search parameter as shown below.
TI Confidential – NDA Restrictions

7. TI Confidential – NDA Restrictions
TSW1400 Software Loading
Unzipping the software package will generate a folder called “slwc107b.zip.
Under the unzipped folder called SLWC107 will be a “setup.bat file, a folder called “EVM GUI”
and another folder called “FTDI”. The EVM GUI folder contains the GUI code and the other folder contains the drivers for the USB interface.
If running the software for the first time, run the file called “setup.bat”. This loads the FTDI drivers followed by installing the High Speed Data Converter Pro GUI software.
Follow the on-screen instructions during installation.
Once installed, the GUI executable will reside in the following directory:
C:\Program Files\Texas Instruments\High Speed Data Converter Pro
Click on “High Speed Data Converter Pro.exe to start the GUI.
TI Confidential – NDA Restrictions

8. TI Confidential – NDA Restrictions
TSW3085 Software Loading
Unzip the TSW308x software package.
Run the file called “setup.bat”.
Follow the on-screen instructions during installation.
Once installed, the GUI executable will reside in the following directory:
C:\Program Files\Texas Instruments\TSW308x
Click on “TSW308x.exe to start the GUI.
TI Confidential – NDA Restrictions

9. TI Confidential – NDA Restrictions
TSW TSW3085 Bring Up
Power up the TSW3085.
Power up the TSW1400 EVM.
Connect power to TSW3065 (USB cable).
Start up the TSW1400 GUI.
Connect the GUI to the TSW1400EVM.
“No Firmware. Please select a device to load firmware into the board” message will appear. Click “OK”.
Start up the TSW308x GUI.
TI Confidential – NDA Restrictions

10. TI Confidential – NDA Restrictions
Program TSW3085
Change the Device Selection setting at the top to be the “TSW3085 EVM Software Control”.
Click on “Load Regs” button at the top.
Select file called “LTE_INT2x_10MHz_614p4M.txt”.
Click on “Send All” button.
The LOCK LED on the TSW3085 will turn green confirming the TSW3085EVM is programmed.
TI Confidential – NDA Restrictions

11. TI Confidential – NDA Restrictions
Program TSW1400
On the TSW1400 GUI, select “DAC” (Top right of GUI) to change the mode of operation to pattern generation.
Select the DAC3482 in the drop down menu.
The following Firmware dialog message will show up. Click yes to load the firmware.
TI Confidential – NDA Restrictions

12. TI Confidential – NDA Restrictions
Program TSW1400
When the firmware is finished downloading, set the Data Rate to “307.2M” and the DAC Option to “2’s Complement”.
Click the “Load File to transfer” button.
Select the file called “LTE_Freq_30MHz_Amp_0dB_BW_20.003MHz_307.2MSPS.tsw.
Change the Window selection from Rectangular to Hanning.
Select the “Send” button to the left of Load File to transfer the data into TSW1400.
TI Confidential – NDA Restrictions

13. TI Confidential – NDA Restrictions
On the DAC GUI, click on the SIF Sync button twice to synchronize the DAC.
The TSW1400 should be loaded with the correct pattern and the TSW1400 GUI will look like the image on the next slide.
TI Confidential – NDA Restrictions

14. TI Confidential – NDA Restrictions
TSW1400 GUI with loaded data
TI Confidential – NDA Restrictions

15. TI Confidential – NDA Restrictions
TSW3085 Output
The TSW3085 output will look as shown in the next slide if connected to a Spectrum Analyzer, centered around 2.13 GHz.
TI Confidential – NDA Restrictions

16. TI Confidential – NDA Restrictions
TSW3085 Output
TI Confidential – NDA Restrictions

17. TI Confidential – NDA Restrictions
Powering TSW1400, TSW1265, TSW3065
Power up TSW1400 EVM (5V wall plug)
Power up TSW1265 EVM (6V wall plug)
Power up TSW3065 EVM (USB cable)
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18. TSW1265 Software

19. TI Confidential – NDA Restrictions
TSW1265 Software Loading
Unzipping the software package will generate a folder called “slwc105b.zip.
Under the unzipped folder called SLWC105 run the “setup.exe” file.
Follow the on-screen instructions during installation.
Once installed, the GUI executable will reside in the following directory:
C:\Program Files\Texas Instruments ADCs\TSW1265 GUI
Click on “TSW1265 GUI.exe to start the GUI.
TI Confidential – NDA Restrictions

20. TI Confidential – NDA Restrictions
Configure the TSW1265
Open the TSW1265 GUI located in Start Menu>Program Files>Texas Instruments ADCs
Verify that the GUI is connected to the USB port
Select “Load” and navigate to the “Configuration Files” folder in the TSW1265 GUI installation directory. Select “250MHz_onboard_clock.txt” and click “Ok”
Push the “Send All” button a couple of times to make sure all the registers are loaded. The LED labeled “LMK LOCK” (D3) on the TSW 1265 will light up when the clock is configured correctly.
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21. TI Confidential – NDA Restrictions
Configure TSW3065 for LO
Make sure both silver toggle switches are set to 6V and Internal
The DIP switches on the side can be set in the following configurations
Set the DIP switch settings so that only the D4 LED is lit (1960MHz). On the TSW3065, the DIP switch being UP turns the LED off, down turns the LED on.
Connect “LO Diff P Out” on the TSW3065 to the LO2 input on the TSW1265. This may be shared with the TSW3085 demo. 21
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22. TI Confidential – NDA Restrictions
High Speed Data Converter Pro Configuration
Open “High Speed Data Converter Pro” by going to Start>All Programs>Texas Instruments ADCs
The following prompt will ask you to select the serial number of the TSW1400 connected. This should be printed on the TSW1400 hardware. Select the correct serial number and click “ok”.
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23. TI Confidential – NDA Restrictions
High Speed Data Converter Pro Configuration
If a message shown below appears when connecting to the TSW1400 board, then proceed by clicking OK again.
Make sure the ADC tab is selected at the top, as shown on the next page.
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24. TI Confidential – NDA Restrictions
High Speed Data Converter Pro Configuration
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25. TI Confidential – NDA Restrictions
High Speed Data Converter Pro Configuration
Now select ADS4249 in the drop down menu highlighted by the red box in the image below. After doing so, the Firmware dialog message will show up. Click yes to load the firmware.
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26. TI Confidential – NDA Restrictions
TSW1400 GUI Configuration
When the firmware is finished downloading, select “Single Tone” from the test selection menu. Choose as your record length, set the sampling rate to “250M” and the input target frequency to “180M”. Hit enter after entering the target frequency to have the GUI calculate the coherent input frequency.
Select “Channel 2/2” from the drop down box above the plot window.
Select the “Hanning” window from the drop down box.
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27. TI Confidential – NDA Restrictions
TX/RX Loop Back
Now connect the TSW3085 transmitter demo to the TSW1265 receiver demo by connecting the TX OUT port of the TSW3085 to the RFIN A port on the TSW1265.
The TSW3085 should already be transmitting a 20-MHz wide LTE signal.
Go to the TSW1265 GUI and click on the “LMH6521 Gain” tab. Set the gain of Channel A to 3 dB. Be careful not to set the gain too high to avoid damaging the ADC.
Click “capture” on the TSW1400 GUI that is connected to the TSW1265.
The result is shown on the next page.
Use the draggable cursors to verify the signal is approximately 20 MHz wide.
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28. TI Confidential – NDA Restrictions
20-MHz LTE Result
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