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who have implement digital sin waveform generator ?

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how to impliment the new geneter with location

use lookup table or cordic algorithm
 

avr waveform generator

:p thank you ,my goal is implement a function a*sin(wt+&)+b*sin3*(wt+&)
& is initial phase, so i think i should known how to implement sin function at first, do you thinck is it right?

welcome any suggestion!
 

sin waveform generator

first you must know the frequency, accordingly choose a micro. save about 100 values in micro (use D/A conversion). at output use a simple RC filter
 

digital sinus waveform generator

You can use DDS (Direct Digital Synthesis).
It's a very usefull technology.
All you need is a microcontroller with a PWM output and a simple RC filter.
 

ad9833 dds waveform generator frequency word

Check out this link for a very simple to understand and easy to build DDS synthesizer that can output many types of digital waves (including sine):

hxxp://www.myplace.nu/avr/minidds/index.htm
 

ad9833 generator wave form

details of creating sine wave using DDS could be found in video demustified ebook, or direct digital synthesis demustified , both posted in ebooks section @ elektroda
 

digital sine generation

check AD9833 at 4$ from @nalog device.
 

direct digital synthesis implementation avr

hi,
anybody wrote code for AD9833?

thanks
 

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