Question Pool -- Category E7E
What are the main blocks of a direct digital frequency synthesizer?
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A.
- A variable-frequency crystal oscillator, phase accumulator,
digital to analog converter and a loop filter
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B.
- A stable voltage-controlled oscillator, programmable divider,
phase detector, loop filter and a digital to analog converter
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C.
- A variable-frequency oscillator, programmable divider, phase
detector and a low-pass antialias filter
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D.
- A phase accumulator, lookup table, digital to analog converter and
a low-pass antialias filter
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