PSoC 5, 3 & 1 MCU

[Anonymous]

Hi to all,     

   

Can anybody  help     

   

How to design a simple waveform generator which can generate a sine, triangular or square waveform with a frequency of 400Hz based on the user function input e.g a switch.

   

Regards

   

Rajendra

   

[JoMe_264151]

The WaveDAC - component can do exactly what you want. Have a look at this thread: http://www.cypress.com/?app=forum&id=2233&rID=63587 

       

Happy coding

   

Bob

[ETRO_SSN583]

Link to project files and ap note -

       

http://www.cypress.com/?rID=54728

       

Regards, Dana.

[HeLi_263931]

You also might look here: http://www.cypress.com/?rID=50106&cache=0 (but this does more than you seem to need).

[Anonymous]

@hli so basic unit of function generator in PSoC is WaveDAC?

   

WaveDAC is building block for DDS?

[HeLi_263931]

WaveDAC8 is one way (the easier one), using a NCO+DMA+VDAC8 is another one. WaveDAC is much simpler, but doesn't allow good frequency control. Using a NCO is a little bit more complicated, but allows better frequency control and has better quality of the generated waveforms.

[JoMe_264151]

The WaveDAC we recommended does exactly what you requested at the begin of your post: Generating sine, triangular, sawtooth or squarewave output. Implementation, programming and test can be done within less than half an hour. I suggest you to start with that and see if it is sufficent.

       

Happy coding

   

Bob

[Anonymous]

Thanks @Bob and @hli  i ll try waveDAC and ask u for help if needed

   

@hli have u recieved your imso oscillioscope and how much points we need for imso?

[HeLi_263931]

@sachinbvp no, the scope did not arrive yet. I think USPS sends this by ship, so it takes a while. But maybe I should ask for a tracking number...

   

As for the points needed - you can check this by yourself: http://www.four51.com/UI/Customer.aspx?p=Catalog&CatID=QZ7UHwdh1OZ2q24Hi89SO6G39-s0enncaquEpKM0eOQQg... shows that you need 300 reward dollars for it. And you need 10 points for one dollar, so you need 3000 points for it.

[HeLi_263931]

@sachinbvp: I need to correct this. Today I got the shipping confirmation - I got send out via Fedex, and should arive on monday.

[MarkH_61]

To get the most speed and over sample rate with the WaveDac8, use current mode (iDAC).  Then you can run the sample rate 4 MSPS or faster.

   

I agree DDS would be better.  WaveDAC8 Version 2.0 will have a DDS option.

       

Mark

[Anonymous · Accepted solution]

 Any idea the DDS version of wave8 would be release?

[HeLi_263931]

Wow, a WaveDAC8 with DDS? Cool. I cannot wait...

[Anonymous]

when wavedac8 with DDS is releasing?