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I generated two different Signals using DDS and now I want to add them and convert output signal to current signal without any distortion in it? what is the best and accurate part I can use ?

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  • \$\begingroup\$ Without any distortion is impossible. What does "best" mean? \$\endgroup\$
    – Andy aka
    Mar 12 '18 at 9:26
  • \$\begingroup\$ I mean the frequency of generated signals remain constant \$\endgroup\$ Mar 12 '18 at 9:31
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You can use opamp summer circuit for adding two signals.See the link below for detailed explanation. https://www.electronics-tutorials.ws/opamp/opamp_4.html

Then again use opamp at the ouput stage to convert V(voltage) to I(current).(V to I converter) .see the link below https://wiki.analog.com/university/courses/electronics/text/chapter-4

Ask if you have any doubt regarding this explanation

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