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Does this mean, your power curves are simulation results rather than real measurements?
P.S.: I presume the design is clocked by 50 MHz?
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The measurements are from the DE0-nano at 50MHz.
The comment regarding the linear regulator shutdown could be a little clearer - it was meant to imply "If the DE0-nano 1.2V core was implemented using a
single regulator ... ", however, since Terasic used a cascade of two linear regulators, the power was distributed between the two, and the regulators did not shut off (though the die temperatures would have gone up by 80C each - so I didn't run the test for long).
The main point of the post is that switch-mode power supplies are significantly more efficient than linear regulators.
Cheers,
Dave
Honored Contributor
