发明授权
US07046177B2 Servo system, apparatus comprising a servo system, sigma delta modulator, and integrated circuit comprising a sigma delta modulator
失效
伺服系统,包括伺服系统,Σ-Δ调制器和包括Σ-Δ调制器的集成电路的装置
- 专利标题: Servo system, apparatus comprising a servo system, sigma delta modulator, and integrated circuit comprising a sigma delta modulator
- 专利标题(中): 伺服系统,包括伺服系统,Σ-Δ调制器和包括Σ-Δ调制器的集成电路的装置
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申请号: US10544199申请日: 2004-02-06
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公开(公告)号: US07046177B2公开(公告)日: 2006-05-16
- 发明人: Albert Hendrik Jan Immink , Johannes Aldegonda Theodora Maria Van Den Homberg , Aalbert Stek
- 申请人: Albert Hendrik Jan Immink , Johannes Aldegonda Theodora Maria Van Den Homberg , Aalbert Stek
- 申请人地址: NL Eindhoven
- 专利权人: Koninklijke Philips Electronics, N.V.
- 当前专利权人: Koninklijke Philips Electronics, N.V.
- 当前专利权人地址: NL Eindhoven
- 优先权: EP03100250 20030206
- 国际申请: PCT/IB2004/050082 WO 20040206
- 国际公布: WO2004/070951 WO 20040819
- 主分类号: H03M1/48
- IPC分类号: H03M1/48
摘要:
A servo system comprising an analog sigma delta modulator for generating a normalized digital error correction signal from first and second analog control signals. The sigma delta modulator comprises an analog low-pass filter, a quantizer delivering the digital error correction signal and a multiplying DA-converter in feedback arrangement between the output of the quantizer and the input of the low-pass filter for multiplying the feedback signals with the sum of the analog control signals.
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