[time-nuts] Power Supply for AD9852 / AD9854
time at patoka.org
Sat Mar 15 21:10:47 EDT 2014
By design, DDS "stones" like AD9852 from Analog Devices, required
separated power lines for AVDD, DVDD and VCC.
What will is simple solution for that ? I am planing to use following
approach: +5V from linear PS, then three LC filters, then three 3.3V
voltage regulators (Ex.: MC33269T) connected to each filter. Is it good
May be its better solution for this ? Or may be that could be simplified
to join AVDD and VCC (AVDD will be connected to VCC via 100 Ohm). Thanks
in advance !
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