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公开(公告)号：US20180122360A1
公开(公告)日：2018-05-03
申请号：US15793537
申请日：2017-10-25
IPC分类号： G10K11/34 , H03K17/687 , H03K19/003 , H03K3/356 , G11C11/413 , G06F1/32 , H03K17/08 , H03K17/56 , G10K11/04
CPC分类号： G10K11/341 , B06B1/0207 , G06F1/3203 , G10K11/04 , G11C11/413 , H03K3/356113 , H03K17/08 , H03K17/56 , H03K17/687 , H03K17/6871 , H03K19/00361 , H03K19/018507 , H03K2217/0063
摘要： The disclosure provides a level shifter. The level shifter includes a first logic block that receives an input signal and generates a primary pulsed input. A first transistor is coupled to the first logic block and a first node. A gate terminal of the first transistor receives the primary pulsed input. A latch is coupled to the first node and a second node. A second logic block receives the input signal and generates a secondary pulsed input. A second transistor is coupled between the second logic block and the second node. A gate terminal of the second transistor receives the secondary pulsed input.
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公开(公告)号：US09716474B2
公开(公告)日：2017-07-25
申请号：US14863204
申请日：2015-09-23
CPC分类号： H03F1/3211 , H03F3/45085 , H03F3/45502 , H03F2200/144 , H03F2201/3218 , H03F2203/45074 , H03F2203/45418 , H03F2203/45424
摘要： The disclosure provides a circuit. The circuit includes a primary amplifier. A first common mode detector is coupled to the primary amplifier. A second common mode detector is coupled to the primary amplifier. An error correction circuit is coupled between the second common mode detector and the primary amplifier.
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公开(公告)号：US10677903B2
公开(公告)日：2020-06-09
申请号：US15367982
申请日：2016-12-02
发明人： Ravikumar Pattipaka , Raja Sekhar Kanakamedala , Aravind Miriyala , Vajeed Nimran P A , Sandeep Kesrimal Oswal
摘要： Methods and apparatus for reducing a transient glitch in ultrasound applications are disclosed. An example apparatus includes a transducer to (A) output a signal during a transmit phase and (B) receive a reflected signal corresponding to the signal during a receive phase; a receiver switch coupled to the transducer at a first node, the receiver switch to (A) open during the transmit phase and (B) close during the receive phase; and a clamp coupled to the transducer at the first node, the clamp to provide a high impedance during the transmit phase and the receive phase and provide a low impedance during a transient phase.
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公开(公告)号：US10319362B2
公开(公告)日：2019-06-11
申请号：US15793537
申请日：2017-10-25
IPC分类号： G10K11/34 , H03K17/687 , H03K19/003 , H03K3/356 , G10K11/04 , G06F1/3203 , H03K17/08 , G11C11/413 , H03K19/0185 , B06B1/02 , H03K17/56
摘要： The disclosure provides a level shifter. The level shifter includes a first logic block that receives an input signal and generates a primary pulsed input. A first transistor is coupled to the first logic block and a first node. A gate terminal of the first transistor receives the primary pulsed input. A latch is coupled to the first node and a second node. A second logic block receives the input signal and generates a secondary pulsed input. A second transistor is coupled between the second logic block and the second node. A gate terminal of the second transistor receives the secondary pulsed input.
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5.发明授权公开(公告)号：US11888509B2
公开(公告)日：2024-01-30
申请号：US16234672
申请日：2018-12-28
CPC分类号： H04B1/44 , B06B1/023 , H03K17/00 , H03K17/002 , H04B11/00 , A61B8/14 , A61B8/54 , B06B2201/76
摘要： An ultrasound system includes a transmit-receive switch. The transmit-receive switch includes a combined transmit-receive and return-to-zero (RTZ) path. The combined transmit-receive and RTZ path includes a transistor with a first current terminal, a second current terminal, and a control terminal. The second current terminal of the transistor is coupled to a ground node via a first switch and is coupled to a receive node via a second switch. The ultrasound system also includes a receiver front-end circuit coupled to the receive node.
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公开(公告)号：US11662448B2
公开(公告)日：2023-05-30
申请号：US17487259
申请日：2021-09-28
发明人： Ravikumar Pattipaka , Raja Sekhar Kanakamedala , Aravind Miriyala , Vajeed Nimran P A , Sandeep Kesrimal Oswal
CPC分类号： G01S7/52077 , A61B8/4483 , A61B8/5269
摘要： Methods and apparatus for reducing a transient glitch in ultrasound applications are disclosed. An example apparatus includes a transducer to (A) output a signal during a transmit phase and (B) receive a reflected signal corresponding to the signal during a receive phase; a receiver switch coupled to the transducer at a first node, the receiver switch to (A) open during the transmit phase and (B) close during the receive phase; and a clamp coupled to the transducer at the first node, the clamp to provide a high impedance during the transmit phase and the receive phase and provide a low impedance during a transient phase.
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公开(公告)号：US11163046B2
公开(公告)日：2021-11-02
申请号：US16859440
申请日：2020-04-27
发明人： Ravikumar Pattipaka , Raja Sekhar Kanakamedala , Aravind Miriyala , Vajeed Nimran P A , Sandeep Kesrimal Oswal
摘要： Methods and apparatus for reducing a transient glitch in ultrasound applications are disclosed. An example apparatus includes a transducer to (A) output a signal during a transmit phase and (B) receive a reflected signal corresponding to the signal during a receive phase; a receiver switch coupled to the transducer at a first node, the receiver switch to (A) open during the transmit phase and (B) close during the receive phase; and a clamp coupled to the transducer at the first node, the clamp to provide a high impedance during the transmit phase and the receive phase and provide a low impedance during a transient phase.
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