Did you READ my previous reply?
Type: Posts; User: HenrikOlsson; Keyword(s):
Re: Calculate tuning value for the AD9850 DDS.
Did you READ my previous reply?
Re: Calculate tuning value for the AD9850 DDS.
Hi,
The AD9912 datasheet says: FTW = 2^48 * (fdds / 1GHz) where fdds is the desired frequency and 1GHz is the reference clock.
As per the Wiki example for the AD9850, but with these numbers...
Re: Calculate tuning value for the AD9850 DDS.
Hi Rob,
Yes, I remember the problem with your up/down counter not working properly....
You're still having that Counter variable declared as a WORD but treating it as a 4 byte array in your UP/DOWN...
Calculate tuning value for the AD9850 DDS.
Hi,
I've written an article in the Wiki which shows two possible ways to calculate the 32bit tuning value for the AD9850 DDS chip from Analog Devices.
This thread is intended for discussions and...