Title:
DELTA-SIGMA MODULATION SYSTEM AND DIGITAL SIGNAL PROCESSING DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/183528
Kind Code:
A1
Abstract:
A delta-sigma modulation system according to the present invention is provided with a delta-sigma modulator that outputs a n-level (where n is an integer greater than or equal to 3) quantized signal, a multi-bit output unit that converts the n-level quantized signal output from the delta-signal modulator into a multi-bit signal and then outputs the multi-bit signal, and a power combiner that performs power combining with the multi-bit signal and then generates a composite signal having n signal levels.
Inventors:
MAEHATA TAKASHI (JP)
Application Number:
PCT/JP2013/064989
Publication Date:
December 12, 2013
Filing Date:
May 30, 2013
Export Citation:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
H03M3/02
Domestic Patent References:
| WO2013051641A1 | 2013-04-11 |
Foreign References:
| JP2009522874A | 2009-06-11 | |||
| JPH03117034A | 1991-05-17 | |||
| JP2009065420A | 2009-03-26 | |||
| JP2005117431A | 2005-04-28 |
Attorney, Agent or Firm:
SunCrest Patent and Trademark Attorneys (JP)
Patent business corporation Sun Crest international patent firm (JP)
Patent business corporation Sun Crest international patent firm (JP)
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