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1.发明授权Tuning asymmetry of a differential digital interface to cancel magnetic coupling 有权调整差分数字接口的不对称性来消除磁耦合公开(公告)号：US09503155B2
公开(公告)日：2016-11-22
申请号：US14682904
申请日：2015-04-09
Applicant: NXP B.V.
Inventor： Niels Gabriel
CPC classification number: H04B3/32 , G01R27/2611 , G01R31/31708 , G01R31/31712
Abstract: An integrated circuit including: an RF input/output; an on-chip digital interface including a plurality of IC pin connections wherein an output current from the on-chip digital interface is split into first and second parallel paths among the plurality of IC pin connections; first and second current sources; and a controller, wherein the controller is configured to determine a plurality of mutual inductances between the plurality of IC pin connections and the RF input/output; calculate a current ratio n based upon the plurality of mutual inductances between a first current driven on the first parallel path and a second current driven on the second parallel path; drive the first current source to produce the first current and the second current source to produce the second current wherein the first and second current have the determined ratio n; and measure a voltage at the RF input/output.
Abstract translation: 一种集成电路，包括：RF输入/输出; 包括多个IC引脚连接的片上数字接口，其中来自片上数字接口的输出电流被分成多个IC引脚连接中的第一和第二并行路径; 第一和第二电流源; 以及控制器，其中所述控制器被配置为确定所述多个IC引脚连接和所述RF输入/输出之间的多个互感; 基于在所述第一并行路径上驱动的第一电流与在所述第二并行路径上驱动的第二电流之间的多个互感，计算电流比n; 驱动第一电流源以产生第一电流源和第二电流源以产生第二电流，其中第一和第二电流具有确定的比率n; 并测量RF输入/输出端的电压。
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公开(公告)号：US20200076671A1
公开(公告)日：2020-03-05
申请号：US16122132
申请日：2018-09-05
Applicant: NXP B.V.
Inventor： Juergen Richard Marschner , Robert Rutten , Niels Gabriel , Tjeu van Ansem , Francoise Jeannette Harmsze , Peter Blinzer , Frits Anthonie Steenhof
Abstract: Certain aspects of the disclosure are directed to in-phase/quadrature (IQ) mismatch detection and correction in radio frequency receivers. According to a specific example, a method of manufacture or use comprises, in a quadrature radio-frequency receiver configured to process signals using I and Q components, providing parameters indicative of IQ mismatches associated with circuitry of the quadrature radio-frequency receiver due to changes in signal gain. The method further includes, while using the quadrature radio-frequency receiver to receive and process a received radio signal, correcting for the IQ mismatches by using the parameters in response to actual signal gain change.
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3.发明申请TUNING ASYMMETRY OF A DIFFERENTIAL DIGITAL INTERFACE TO CANCEL MAGNETIC COUPLING 有权差分数字接口对消除磁耦合的不对称性公开(公告)号：US20160301446A1
公开(公告)日：2016-10-13
申请号：US14682904
申请日：2015-04-09
Applicant: NXP B.V.
Inventor： Niels Gabriel
CPC classification number: H04B3/32 , G01R27/2611 , G01R31/31708 , G01R31/31712
Abstract: An integrated circuit including: an RF input/output; an on-chip digital interface including a plurality of IC pin connections wherein an output current from the on-chip digital interface is split into first and second parallel paths among the plurality of IC pin connections; first and second current sources; and a controller, wherein the controller is configured to determine a plurality of mutual inductances between the plurality of IC pin connections and the RF input/output; calculate a current ratio n based upon the plurality of mutual inductances between a first current driven on the first parallel path and a second current driven on the second parallel path; drive the first current source to produce the first current and the second current source to produce the second current wherein the first and second current have the determined ratio n; and measure a voltage at the RF input/output.
Abstract translation: 一种集成电路，包括：RF输入/输出; 包括多个IC引脚连接的片上数字接口，其中来自片上数字接口的输出电流被分成多个IC引脚连接中的第一和第二并行路径; 第一和第二电流源; 以及控制器，其中所述控制器被配置为确定所述多个IC引脚连接和所述RF输入/输出之间的多个互感; 基于在所述第一并行路径上驱动的第一电流与在所述第二并行路径上驱动的第二电流之间的多个互感，计算电流比n; 驱动第一电流源以产生第一电流源和第二电流源以产生第二电流，其中第一和第二电流具有确定的比率n; 并测量RF输入/输出端的电压。
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公开(公告)号：US10708114B2
公开(公告)日：2020-07-07
申请号：US16122132
申请日：2018-09-05
Applicant: NXP B.V.
Inventor： Juergen Richard Marschner , Robert Rutten , Niels Gabriel , Tjeu van Ansem , Francoise Jeannette Harmsze , Peter Blinzer , Frits Anthonie Steenhof
Abstract: Certain aspects of the disclosure are directed to in-phase/quadrature (IQ) mismatch detection and correction in radio frequency receivers. According to a specific example, a method of manufacture or use comprises, in a quadrature radio-frequency receiver configured to process signals using I and Q components, providing parameters indicative of IQ mismatches associated with circuitry of the quadrature radio-frequency receiver due to changes in signal gain. The method further includes, while using the quadrature radio-frequency receiver to receive and process a received radio signal, correcting for the IQ mismatches by using the parameters in response to actual signal gain change.
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