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Looking for resources on Digital Direct Synthesizer

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alongsh

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dds

hi,all
who can upload sth resource about digital direct synthesier?
thanx a lot.
 

you can download the data sheet from the AD's website.you can also get some samples such as AD9854...
 

i once used ad9854 to generate a chirp
signal and found it easy to control,but
the shortcoming is that the power dissipation about 1w.
anyone can recommend a lower power
dissipation one?
 

do not forget, that exist two variants of this chip regarding on dissipation
.
It is depend on reference frequency and internal multiply factor too.

pool_77
 

try with AD9954

David
 

alongsh
what do U want ?

the circuit or the thory ?
 

yellowtooth
hi,what i want is the theory,
could you upload some?
 

When I use the Qualcomm 2334 several yeasr ago, I had some.

Now , U can go to Qualcomm web site to see if it is still there.

The datasheet of 2334 and 2220 both have the thoery of DDS.
 

**broken link removed**


Digital Frequency Synthesis Demystified

By Bar-Giora Goldberg.

Contents:

Chapter 1. Introduction to Frequency Synthesis 1
Chapter 2. Frequency Synthesizer System Analysis 39
Chapter 3. Measurement Techniques 57
Chapter 4. DDS General Architecture 73
Chapter 5. Phase-Locked Loop Synthesizers 163
Chapter 6. Accumulators 237
Chapter 7. Lookup Table and Sine ROM Compression 251
Chapter 8. Digital-to-Analog Converters 281
Chapter 9. Synthesizers in Use and Reference Generators 305
Chapter 10. Original Paper and Software 321
 

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