Invention Grant
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
- Patent Title: Quadrature signal demodulator circuitry suitable for doppler ultrasound
- Patent Title (中): 适用于多普勒超声的正交信号解调电路
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Application No.: US12397938Application Date: 2009-03-04
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Publication No.: US08085088B2Publication Date: 2011-12-27
- Inventor: Ronald F. Bax
- Applicant: Ronald F. Bax
- Applicant Address: US CA Santa Clara
- Assignee: National Semiconductor Corporation
- Current Assignee: National Semiconductor Corporation
- Current Assignee Address: US CA Santa Clara
- Main IPC: H03D3/00
- IPC: H03D3/00
Abstract:
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).
Public/Granted literature
- US20100225386A1 QUADRATURE SIGNAL DEMODULATOR CIRCUITRY SUITABLE FOR DOPPLER ULTRASOUND Public/Granted day:2010-09-09
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