• State
  • Locked Locked
  • Replies 1 reply
  • Subscribers 46 subscribers
  • Views 578 views
  • Users 0 members are here
Support feedback
Options
Options
Related

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

TSW14J56 with DAC38J82 external trigger hardware modification

Sascha Krause
Prodigy 10 points


Morning,


I have created with matlab a signal (chirp) and program this to the FPGA. Config the FPGA and DAC and see at the outputs a continous repeated output signal. But I need to control this signal with an external trigger. I want only a single shot of the data.

Can you give me a solution for this problem?


Kind regards

Sascha

  • 0
    TI__Genius 12965 points
    Hi Sascha,
    The HSDC Pro and TSW14J56 have a preamble mode that can be used to specify a start and loop point in the pattern file. In this mode you could place the chirp in the preamble portion of the file, and then 0s in the loop portion of the signal. When the pattern starts it would play the signal once then loop the 0 portion of the file. Please try this to see if this meets your needs.

    We also have a DAC trigger mode, but it only triggers the start of the infinite loop - this is a new feature and needs some further validation and documentation. There are some plans to include a single shot trigger mode, but that is not yet implemented.

    Ken