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公开(公告)号:US20190222183A1
公开(公告)日:2019-07-18
申请号:US15872528
申请日:2018-01-16
发明人: Chi-Fung KWOK
CPC分类号: H03F3/2176 , H03F3/195 , H03F3/45071 , H03F2200/09 , H03F2200/171 , H03F2200/267 , H03F2200/378 , H03F2200/451 , H04B1/44
摘要: A radio frequency (RF) front-end (RFFE) may include a differential hard-switching RF power amplifier. The RFFE may also include a ground bounce circuit coupled to the differential hard-switching RF power amplifier.
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公开(公告)号:US20190113564A1
公开(公告)日:2019-04-18
申请号:US16206828
申请日:2018-11-30
申请人: pSemi Corporation
IPC分类号: G01R31/28 , H03F3/21 , H03F3/195 , H03F3/213 , H03F3/24 , H04B1/48 , H03F3/72 , H03F1/56 , H03F3/193 , H03F1/22 , H03F1/02 , H04B1/44 , H03H7/38
CPC分类号: G01R31/28 , G01R31/2836 , H03F1/0277 , H03F1/223 , H03F1/56 , H03F1/565 , H03F3/193 , H03F3/195 , H03F3/211 , H03F3/213 , H03F3/245 , H03F3/72 , H03F2200/102 , H03F2200/105 , H03F2200/222 , H03F2200/378 , H03F2200/387 , H03F2200/451 , H03F2200/453 , H03F2200/456 , H03F2200/471 , H03F2200/61 , H03F2203/21142 , H03F2203/7236 , H03H7/38 , H04B1/44 , H04B1/48 , H04B17/11
摘要: An apparatus for detecting difference in operating characteristics of a main circuit by using a replica circuit is presented. In one exemplary case, a sensed difference in operating characteristics of the two circuits is used to drive a tuning control loop to minimize the sensed difference. In another exemplary case, several replica circuits of the main circuit are used, where each is isolated from one or more operating variables that affect the operating characteristic of the main circuit. Each replica circuit can be used for sensing a different operating characteristic, or, two replica circuits can be combined to sense a same operating characteristic.
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公开(公告)号:US20180164366A1
公开(公告)日:2018-06-14
申请号:US15829761
申请日:2017-12-01
IPC分类号: G01R31/28 , H04B1/48 , H04B1/44 , H03F1/02 , H03F1/22 , H03F1/56 , H03F3/193 , H03F3/195 , H03F3/21 , H03F3/213 , H03H7/38 , H03F3/72 , H03F3/24 , H04B17/11
CPC分类号: G01R31/28 , G01R31/2836 , H03F1/0277 , H03F1/223 , H03F1/56 , H03F1/565 , H03F3/193 , H03F3/195 , H03F3/211 , H03F3/213 , H03F3/245 , H03F3/72 , H03F2200/102 , H03F2200/105 , H03F2200/222 , H03F2200/378 , H03F2200/387 , H03F2200/451 , H03F2200/453 , H03F2200/456 , H03F2200/471 , H03F2200/61 , H03F2203/21142 , H03F2203/7236 , H03H7/38 , H04B1/44 , H04B1/48 , H04B17/11
摘要: An apparatus for detecting difference in operating characteristics of a main circuit by using a replica circuit is presented. In one exemplary case, a sensed difference in operating characteristics of the two circuits is used to drive a tuning control loop to minimize the sensed difference. In another exemplary case, several replica circuits of the main circuit are used, where each is isolated from one or more operating variables that affect the operating characteristic of the main circuit. Each replica circuit can be used for sensing a different operating characteristic, or, two replica circuits can be combined to sense a same operating characteristic.
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公开(公告)号:US20180097480A1
公开(公告)日:2018-04-05
申请号:US15286481
申请日:2016-10-05
发明人: Simon Hamparian
CPC分类号: H03F1/56 , H03F3/19 , H03F3/245 , H03F3/68 , H03F2200/378 , H03F2200/387 , H03F2200/451 , H04B1/0458 , H04B1/0475 , H04B7/0617 , H04B2001/0408
摘要: A radio frequency (RF) transmitter apparatus and method are provided with dual variable impedance components. Included is at least one RF transmitter with a power amplifier and a filter. Further, a first variable impedance component is in electrical communication between the filter and an antenna port. Also included is a second variable impedance component in electrical communication between the power amplifier and the filter.
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公开(公告)号:US09864000B2
公开(公告)日:2018-01-09
申请号:US15341955
申请日:2016-11-02
IPC分类号: G01R31/02 , G01R31/28 , H03F1/56 , H03F3/213 , H03F3/195 , H03F1/02 , H03F1/22 , H03F3/193 , H03F3/21 , H03F3/24 , H03F3/72 , H03H7/38 , H04B1/44 , H04B17/11
CPC分类号: G01R31/28 , G01R31/2836 , H03F1/0277 , H03F1/223 , H03F1/56 , H03F1/565 , H03F3/193 , H03F3/195 , H03F3/211 , H03F3/213 , H03F3/245 , H03F3/72 , H03F2200/102 , H03F2200/105 , H03F2200/378 , H03F2200/387 , H03F2200/451 , H03F2200/456 , H03F2200/471 , H03F2203/21142 , H03F2203/7236 , H03H7/38 , H04B1/44 , H04B1/48 , H04B17/11
摘要: An apparatus for detecting difference in operating characteristics of a main circuit by using a replica circuit is presented. In one exemplary case, a sensed difference in operating characteristics of the two circuits is used to drive a tuning control loop to minimize the sensed difference. In another exemplary case, several replica circuits of the main circuit are used, where each is isolated from one or more operating variables that affect the operating characteristic of the main circuit. Each replica circuit can be used for sensing a different operating characteristic, or, two replica circuits can be combined to sense a same operating characteristic.
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公开(公告)号:US20170237448A1
公开(公告)日:2017-08-17
申请号:US15422934
申请日:2017-02-02
发明人: Sung-Hwan KO , Man Seob KIM
CPC分类号: H04B1/006 , H01Q1/50 , H03F1/565 , H03F3/191 , H03F3/24 , H03F3/245 , H03F2200/111 , H03F2200/321 , H03F2200/378 , H03F2200/387 , H03F2200/451 , H03H7/38 , H03H7/40 , H04B1/0458 , H04B1/18 , H04B2001/0408
摘要: An electronic device is provided. The electronic device includes a communication module and a processor electrically connected to the communication module, wherein the communication module includes an antenna configured to transmit and receive a communication signal, a sensor configured to measure an impedance of the antenna, and a first matching circuit and a second matching circuit electrically connected to the antenna, and the processor is configured to receive information on the impedance of the antenna from the sensor, check control information on at least one of the first matching circuit and second matching circuit corresponding to the impedance of the antenna at least partially based on the received information on the impedance of the antenna, and transmit control information generated at least partially based on the checked control information to at least one of the first matching circuit and the second matching circuit corresponding to the control information.
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公开(公告)号:US20170146591A1
公开(公告)日:2017-05-25
申请号:US15341955
申请日:2016-11-02
CPC分类号: G01R31/28 , G01R31/2836 , H03F1/0277 , H03F1/223 , H03F1/56 , H03F1/565 , H03F3/193 , H03F3/195 , H03F3/211 , H03F3/213 , H03F3/245 , H03F3/72 , H03F2200/102 , H03F2200/105 , H03F2200/378 , H03F2200/387 , H03F2200/451 , H03F2200/456 , H03F2200/471 , H03F2203/21142 , H03F2203/7236 , H03H7/38 , H04B1/44 , H04B1/48 , H04B17/11
摘要: An apparatus for detecting difference in operating characteristics of a main circuit by using a replica circuit is presented. In one exemplary case, a sensed difference in operating characteristics of the two circuits is used to drive a tuning control loop to minimize the sensed difference. In another exemplary case, several replica circuits of the main circuit are used, where each is isolated from one or more operating variables that affect the operating characteristic of the main circuit. Each replica circuit can be used for sensing a different operating characteristic, or, two replica circuits can be combined to sense a same operating characteristic.
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公开(公告)号:US09614564B2
公开(公告)日:2017-04-04
申请号:US15073943
申请日:2016-03-18
申请人: Intel Corporation
发明人: Kevin Chang , Stefano Giaconi
CPC分类号: H04B1/16 , H03F3/4521 , H03F2200/378 , H03F2200/408 , H03F2203/45081 , H03F2203/45212 , H04B3/16 , H04L7/0087 , H04L25/02 , H04L25/03019 , H04L25/03878 , H04L27/01
摘要: The present invention provides GPA embodiments. In some embodiments, a GPA stage with a negative capacitance unit is provided.
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公开(公告)号:US20170063314A1
公开(公告)日:2017-03-02
申请号:US15352477
申请日:2016-11-15
发明人: Dan William Nobbe
CPC分类号: H03F1/56 , G01R31/2836 , H03F1/0277 , H03F1/223 , H03F1/565 , H03F3/19 , H03F3/193 , H03F3/195 , H03F3/21 , H03F3/211 , H03F3/72 , H03F2200/378 , H03F2200/387 , H03F2200/451 , H03F2203/21142 , H03F2203/7236 , H03H7/38 , H03H11/28 , H04B1/0458 , H04B1/44 , H04B17/00
摘要: An apparatus for detecting an operating characteristic mismatch at an output of an amplifier by using a replica circuit is presented. In one exemplary case, a detected voltage difference at the output of the two circuits is used to drive a tuning control loop to minimize an impedance mismatch at the output of the amplifier. In another exemplary case, the replica circuit is used to detect a fault in operation in a corresponding main circuit. A method for detecting a load mismatch in a main RF circuit using the replica circuit is also presented.
摘要翻译: 提出了一种用于通过使用复制电路来检测放大器的输出端的工作特性失配的装置。 在一个示例性情况下,在两个电路的输出处检测到的电压差用于驱动调谐控制回路,以使放大器的输出处的阻抗失配最小化。 在另一示例性情况下,复制电路用于检测相应主电路中的操作故障。 还提出了使用复制电路检测主RF电路中的负载失配的方法。
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公开(公告)号:US09564860B2
公开(公告)日:2017-02-07
申请号:US14751495
申请日:2015-06-26
申请人: ACCO
发明人: Hervé Cam , Pascal Reynier , Emmanuel Picard
CPC分类号: H03F1/56 , H03F3/19 , H03F3/195 , H03F3/211 , H03F3/213 , H03F3/24 , H03F3/245 , H03F3/45076 , H03F3/45475 , H03F2200/09 , H03F2200/297 , H03F2200/315 , H03F2200/378 , H03F2200/387 , H03F2200/451 , H03F2200/541 , H03F2203/21142 , H03F2203/45138 , H03F2203/45228 , H03F2203/45662 , H03F2203/45731 , H03H7/422 , H04B1/0475 , H04B2001/0408 , H04L5/14
摘要: An RF circuit for wireless devices comprises a single differential power amplifier and an impedance balancing circuit for each frequency band. The impedance balancing circuit serves both to provide an appropriate impedance at the output of the amplifier as the operating mode of the device changes, and also transforms the differential output of the amplifier to a single-ended output. The impedance balancing circuit optionally comprises a BALUN circuit and a variable capacitor that is varied as the operating mode changes in order to vary the impedance at the output of the amplifier.
摘要翻译: 用于无线设备的RF电路包括用于每个频带的单个差分功率放大器和阻抗平衡电路。 阻抗平衡电路用于在器件的工作模式改变时在放大器的输出端提供适当的阻抗,并且还将放大器的差分输出转换为单端输出。 阻抗平衡电路可选地包括BALUN电路和可变电容器,其随着操作模式改变而改变,以便改变放大器的输出处的阻抗。
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