公开(公告)号：US11747440B2

公开(公告)日：2023-09-05

申请号：US17338407

申请日：2021-06-03

申请人： Ay Dee Kay LLC

发明人： Danny Elad ,  Ofer Markish ,  Benny Sheinman

IPC分类号： G01S7/41 ,  G01S13/89 ,  G01S7/42 ,  G01S13/931 ,  G01S7/285 ,  G01S7/35 ,  G01S7/292 ,  G01S7/52 ,  H04B7/0413

CPC分类号： G01S7/411 ,  G01S7/285 ,  G01S7/292 ,  G01S7/352 ,  G01S7/42 ,  G01S13/89 ,  G01S13/931 ,  G01S7/52017 ,  H04B7/0413

摘要： Automotive radar systems may employ a reconfigurable connection of antennas to radar transmitters and/or receivers. An illustrative embodiment of an automotive radar system includes: a radar transmitter; a radar receiver; and a digital signal processor coupled to the radar receiver to detect reflections of a signal transmitted by the radar transmitter and to derive signal measurements therefrom. At least one of the radar transmitter and the radar receiver are switchable to provide the digital signal processor with signals from each of multiple combinations of transmit antenna and receive antenna.

公开(公告)号：US11726170B2

公开(公告)日：2023-08-15

申请号：US17410746

申请日：2021-08-24

申请人： Ay Dee Kay LLC

发明人： Benny Sheinman

IPC分类号： G01S7/03 ,  H01Q1/32 ,  H03D7/12 ,  G01S7/00

CPC分类号： G01S7/036 ,  H01Q1/3233 ,  H03D7/125

摘要： Multi-input downconversion mixers, systems, and methods are provided with input switching in the intermediate frequency or baseband domain. One illustrative mixer embodiment includes: multiple differential pairs of transistors and multiple pairs of switches. Each differential transistor pair has their bases or gates driven by a differential reference signal, their emitters or sources connected to a common node having a current or voltage driven based on a respective one of multiple receive signals, and their collectors or drains providing a product of the differential reference signal with the respective one of the multiple receive signals. Each of the switch pairs selectively couples differential output nodes to the collectors or drains of a respective one of the multiple differential pairs, enabling the differential output nodes to convey an output signal that is a sum of products from selected ones of the multiple differential pairs.

公开(公告)号：US20220229166A1

公开(公告)日：2022-07-21

申请号：US17549643

申请日：2021-12-13

申请人： Ay Dee Kay LLC dba Indie Semiconductor

发明人： Tom Heller ,  Oded Katz ,  Danny Elad ,  Benny Sheinman

IPC分类号： G01S13/36 ,  G01S13/524 ,  G01S13/931 ,  H01Q3/26

摘要： An improved circuit configuration is disclosed for calibrating and/or verifying the operation of phase shifters in a phased array radar system. In one illustrative embodiment, a method includes: (i) programming a set of phase shifters to convert a radio frequency signal into a set of channel signals; (ii) splitting off a monitor signal from each channel signal while coupling the set of channel signals to a set of antenna feeds; and (iii) while taking the monitor signals in pairs associated with adjacent channels, measuring a relative phase between each pair of monitor signals.

公开(公告)号：US11879961B2

公开(公告)日：2024-01-23

申请号：US17549643

申请日：2021-12-13

申请人： Ay Dee Kay LLC

发明人： Tom Heller ,  Oded Katz ,  Danny Elad ,  Benny Sheinman

IPC分类号： G01S13/36 ,  G01S13/524 ,  G01S13/931 ,  H01Q3/26 ,  G01S13/02

CPC分类号： G01S13/36 ,  G01S13/524 ,  G01S13/931 ,  H01Q3/267 ,  G01S2013/0245

摘要： An improved circuit configuration is disclosed for calibrating and/or verifying the operation of phase shifters in a phased array radar system. In one illustrative embodiment, a method includes: (i) programming a set of phase shifters to convert a radio frequency signal into a set of channel signals; (ii) splitting off a monitor signal from each channel signal while coupling the set of channel signals to a set of antenna feeds; and (iii) while taking the monitor signals in pairs associated with adjacent channels, measuring a relative phase between each pair of monitor signals.