differency frequency

[simpson67]

How can I make difference frequency on NI USB-6259?



I wanna get difference frequency between 100kHz sine wave and 90kHz sine wave.(=10kHz)

But I encounterred some error masages.. If I can get the difference frequency, I hope to send any analog output.

I will attach my project. plz find the errors if you can..
plz help me TT

[Hooovahh]

You never took my advice in your Duplicate Post.