发明授权
US08085088B2 Quadrature signal demodulator circuitry suitable for doppler ultrasound
有权
适用于多普勒超声的正交信号解调电路
- 专利标题: Quadrature signal demodulator circuitry suitable for doppler ultrasound
- 专利标题(中): 适用于多普勒超声的正交信号解调电路
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申请号: US12397938申请日: 2009-03-04
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公开(公告)号: US08085088B2公开(公告)日: 2011-12-27
- 发明人: Ronald F. Bax
- 申请人: Ronald F. Bax
- 申请人地址: US CA Santa Clara
- 专利权人: National Semiconductor Corporation
- 当前专利权人: National Semiconductor Corporation
- 当前专利权人地址: US CA Santa Clara
- 主分类号: H03D3/00
- IPC分类号: H03D3/00
摘要:
Quadrature signal demodulator circuitry for demodulating multiple related input signals into respective pairs of quadrature signals for selective combining to provide a composite pair of quadrature signals with a maximized signal-to-noise ratio (SNR).
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