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Programmable ultrasound transmit beamformer integrated circuit and method

  • US 8,013,640 B1
  • Filed: 06/12/2009
  • Issued: 09/06/2011
  • Est. Priority Date: 06/19/2008
  • Status: Active Grant
First Claim
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1. An electrical waveform generating circuit comprising:

  • a programmable current source-driver;

    a digital switched current source coupled to the programmable current source-driver and controlled by waveforms stored in the programmable current source-driver;

    a plurality of MOSFETs coupled to the programmable current source driver;

    a center-tapped RF transformer having a primary coupled to the plurality of high voltage MOSFETs;

    a transducer coupled to a secondary of the RF transformer.

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