Phase controlling apparatus, frequency controlling...

Details Phase controlling apparatus, frequency controlling... Phase controlling apparatus, frequency controlling...

2006-08-24

2009-08-18

Lee, Benny (Department: 2817)

Oscillators

Polyphase output

C331S056000, C327S106000, C375S369000, C708S271000

Reexamination Certificate

active

07576616

ABSTRACT:
A phase controlling apparatus is disclosed. The phase controlling apparatus controls phases of signals which are output from a plurality of signal sources corresponding to first phase information which indicates a phase of a predetermined signal. The phase controlling apparatus includes a phase information storing section and a phase controlling section. The phase information storing section stores second phase information which indicates a phase of a signal which is output from each of the plurality of signal sources. The phase controlling section changes a phase of a signal which is output from at least one of the plurality of signal sources corresponding to the second phase information stored in the phase information storing means to control the difference of phases of signals which are output from the plurality of signal sources.

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“A Technical Tutorial on Digital Signal Synthesis”. Analog Devices. Copyright © 1999 Analog Devices, Inc.
Brandon, David. “Synchronizing Multiple AD9852 DDS-Based Synthesizers”. © 2003 Analog Devices, Inc.

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