Invention Application
US20030189505A1 Signal processing device having a D/A converter with a reduced circuit area without sacificing the resolution
失效
信号处理装置具有D / A转换器，其电路面积减小而不使分辨率下降
- Patent Title: Signal processing device having a D/A converter with a reduced circuit area without sacificing the resolution
- Patent Title (中): 信号处理装置具有D / A转换器，其电路面积减小而不使分辨率下降
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Application No.: US10341428Application Date: 2003-01-14
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Publication No.: US20030189505A1Publication Date: 2003-10-09
- Inventor: Kouji Okamoto
- Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Applicant Address: null
- Assignee: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Current Assignee: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Current Assignee Address: null
- Priority: JP2002-104269 20020405
- Main IPC: H03M001/66
- IPC: H03M001/66
Abstract:
A D/A converter in an analog-digital mixed loop is realized with a reduced circuit area without sacrificing the resolution. A bit modulation section modulates an m-bit digital control signal, which is output from a digital section, into an n-bit (n
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