发明名称 |
DELTA SIGMA MODULATOR |
摘要 |
A ΔΣ modulator converts an input analog quantity into a digital value quantized with a predetermined number of bits and outputs the digital value. The ΔΣ modulator includes an integrator that includes a capacitor and integrates a difference between the input analog quantity and an analog quantity acquired from D/A conversion of the output digital value by a D/A converter; a quantizer that quantizes an analog quantity acquired from integration by the integrator; and a digital integrator that carries out an integration operation on data acquired from quantization by the quantizer. |
申请公布号 |
US2016149585(A1) |
申请公布日期 |
2016.05.26 |
申请号 |
US201514943401 |
申请日期 |
2015.11.17 |
申请人 |
TOYOTA JIDOSHA KABUSHIKI KAISHA |
发明人 |
WATANABE Hikaru |
分类号 |
H03M3/00 |
主分类号 |
H03M3/00 |
代理机构 |
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代理人 |
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主权项 |
1. A ΔΣ modulator converting an input analog quantity into a digital value quantized with a predetermined number of bits and outputting the digital value, the ΔΣ modulator comprising:
an integrator that includes a capacitor and integrates a difference between the input analog quantity and an analog quantity acquired from D/A conversion of the output digital value by a D/A converter; a quantizer that quantizes an analog quantity acquired from integration by the integrator; and a digital integrator that carries out an integration operation on data acquired from quantization by the quantizer. |
地址 |
Toyota-shi JP |