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AD9832 "+" CN0156 = Amp. Control?

Question asked by Pepo12 on Aug 31, 2017
Latest reply on Sep 4, 2017 by Pepo12

Hi!

 


I am working on the design of a circuit where some DDS are needed. They will work on the same frequency (range 100 - 600 kHz) and at different phases.

 

The amplitude must be adjustable. The changes in aplitude would be at low frequency.

 

The DDS I have chose is the AD9832.

 

The question is: Can "FULL SCALE CURRENT" of the AD9832 be adjusted using the technique of Circuit Note CN-0156?

 

NOTE: Never exceeding nominal current (1.21 [V] / 3900 [Ohm] = 0.3 mA).

 

 

Thanks for the support!

 

 

 

 

Aldo.

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