Hello,
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 enough ?
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 !
-- WBW, V.P.
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