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公开(公告)号：US11979123B2
公开(公告)日：2024-05-07
申请号：US18171270
申请日：2023-02-17
发明人： Mohamed Abouzied , Vinod Panikkath , Li Liu , Chuan Wang
CPC分类号： H03F3/45475 , H04B1/40 , H03F2200/294 , H03F2200/451
摘要： An aspect relates to an apparatus including a radio frequency (RF) signal power detector. The RF signal power detector includes a first current source configured to generate a first current based on a power level of a first RF signal; a transimpedance amplifier (TIA) configured to generate a first voltage based on the first current, wherein the TIA is coupled between a first upper voltage rail and a lower voltage rail; and a second current source configured to generate a second current related to the first current, wherein the first and second current sources are coupled in series between a second upper voltage rail and the lower voltage rail.
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公开(公告)号：US20200099144A1
公开(公告)日：2020-03-26
申请号：US16140127
申请日：2018-09-24
发明人： Li Liu , Kevin Hsi Huai Wang , Yunfei Feng , Chuan Wang , Gurkanwal Sahota
摘要： An apparatus is disclosed for a hybrid wireless transceiver architecture that supports multiple antenna arrays. In an example aspect, the apparatus includes a first antenna array, a second antenna array, and a wireless transceiver. The wireless transceiver includes first dedicated circuitry dedicated to the first antenna array and second dedicated circuitry dedicated to the second antenna array. The wireless transceiver also includes shared circuitry that is shared with both the first antenna array and the second antenna array.
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公开(公告)号：US20160087587A1
公开(公告)日：2016-03-24
申请号：US14491833
申请日：2014-09-19
CPC分类号： H03F3/195 , H03F1/0205 , H03F1/26 , H03F1/56 , H03F3/19 , H03F3/211 , H03F2200/294 , H03F2200/451 , H03F2200/541 , H03F2203/21109 , H04B1/005
摘要： A dual stage LNA for use in multiband receivers is disclosed. In an exemplary embodiment, an apparatus includes a plurality of first stage amplifiers having a plurality of first stage output ports, respectively, to output first stage amplified voltage mode signals. The apparatus also includes a plurality of second stage amplifiers having a plurality of second stage input ports, respectively, and second stage output ports to output amplified current mode signals. The apparatus also includes a switch apparatus having input terminals connected to the first stage output ports and output terminals connected to the second stage input ports, the switch apparatus to connect selected second stage input ports to selected first stage output ports.
摘要翻译： 公开了一种用于多频带接收机的双级LNA。 在示例性实施例中，装置包括分别具有多个第一级输出端口的多个第一级放大器，用于输出第一级放大的电压模式信号。 该装置还包括分别具有多个第二级输入端口的多个第二级放大器和用于输出放大的电流模式信号的第二级输出端口。 该装置还包括具有连接到第一级输出端口的输入端子和连接到第二级输入端口的输出端子的开关装置，该开关装置将所选择的第二级输入端口连接到所选择的第一级输出端口。
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4.发明申请DISTORTION CANCELLATION FOR DUAL STAGE CARRIER-AGGREGATION (CA) LOW NOISE AMPLIFIER (LNA) NON-LINEAR SECOND ORDER PRODUCTS 有权双级放大器（CA）低噪声放大器（LNA）非线性第二订单产品的失败消除公开(公告)号：US20150349724A1
公开(公告)日：2015-12-03
申请号：US14292330
申请日：2014-05-30
发明人： Chuan Wang , Dongling Pan , Yiwu Tang , Klaas van Zalinge , Muhammad Hassan
CPC分类号： H03F1/32 , H03F1/223 , H03F1/26 , H03F1/3205 , H03F3/19 , H03F3/193 , H03F3/245 , H03F2200/111 , H03F2200/165 , H03F2200/171 , H03F2200/294 , H03F2200/405 , H03F2200/408 , H03F2200/411 , H03F2200/451 , H03F2201/3215 , H04L25/03006
摘要： A device includes a main two-stage low noise amplifier (LNA) configured to amplify a carrier aggregation (CA) communication signal, the main two-stage LNA comprising a first LNA stage and a second LNA stage, an output of the first LNA stage having a first stage second order intermodulation product, the second LNA stage comprising a phase-inverter configured to phase-invert the output of the first LNA stage to generate a second stage phase-inverted output, and an auxiliary LNA stage coupled to the main two-stage LNA, the auxiliary LNA stage configured to cancel the first stage second order intermodulation product.
摘要翻译： 一种装置包括被配置为放大载波聚合（CA）通信信号的主要两级低噪声放大器（LNA），所述主要两级LNA包括第一LNA级和第二LNA级，所述第一LNA级的输出 具有第一级二阶互调产物，所述第二LNA级包括被配置为相位反转所述第一LNA级的输出以产生第二级相位反相输出的相位反相器，以及耦合到所述主二极管的辅助LNA级 级LNA，辅助LNA级配置为取消第一级二阶互调产物。
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公开(公告)号：US11942971B2
公开(公告)日：2024-03-26
申请号：US17686794
申请日：2022-03-04
发明人： Chuan Wang , Li Liu , Wu-Hsin Chen , Vinod Panikkath , Yunfei Feng , Muhammad Hassan
CPC分类号： H04B1/0057 , H04B1/0035 , H04B1/0483 , H04B2001/0408
摘要： Aspects described herein include devices and methods with chain routing of signals for massive antenna arrays. In some aspects, an apparatus is provided that includes a first millimeter wave (mmW) transceiver having a first port, a second port, one or more antenna elements, a plurality of chain mmW transceiver ports, and switching circuitry. The switching circuitry is controllable by control data to route portions of a merged clock and data signal and a merged control and data signal between a first route between the one or more antenna elements and the first port and a second route between the one or more antenna elements and the second port and a third route between the first port and the plurality of chain mmW transceiver ports and a fourth route between the second port and the plurality of chain mmW transceiver ports.
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公开(公告)号：US11271328B2
公开(公告)日：2022-03-08
申请号：US16140127
申请日：2018-09-24
发明人： Li Liu , Kevin Hsi Huai Wang , Yunfei Feng , Chuan Wang , Gurkanwal Sahota
摘要： An apparatus is disclosed for a hybrid wireless transceiver architecture that supports multiple antenna arrays. In an example aspect, the apparatus includes a first antenna array, a second antenna array, and a wireless transceiver. The wireless transceiver includes first dedicated circuitry dedicated to the first antenna array and second dedicated circuitry dedicated to the second antenna array. The wireless transceiver also includes shared circuitry that is shared with both the first antenna array and the second antenna array.
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公开(公告)号：US10566937B2
公开(公告)日：2020-02-18
申请号：US15583636
申请日：2017-05-01
摘要： A low noise amplifier may include a post distortion cancellation block coupled to the low noise amplifier. The post distortion cancellation block may include a diode, and phase-shift logic. The phase-shift logic may be coupled in series with the diode.
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公开(公告)号：US09755591B2
公开(公告)日：2017-09-05
申请号：US15250642
申请日：2016-08-29
CPC分类号： H03F3/195 , H03F1/0205 , H03F1/26 , H03F1/56 , H03F3/19 , H03F3/211 , H03F2200/294 , H03F2200/451 , H03F2200/541 , H03F2203/21109 , H04B1/005
摘要： An apparatus including: a plurality of amplifiers having a plurality of output ports, respectively, the plurality of amplifiers configured to amplify radio frequency (RF) signals received from at least one antenna; a plurality of demodulators configured to receive the amplified RF signals at a plurality of input ports, respectively, the plurality of demodulators configured to downconvert the received RF signals; and a plurality of switches configured to couple selected output ports of the plurality of amplifiers to selected input ports of the plurality of demodulators, wherein each switch of the plurality of switches is configured such that at least one of the plurality of output ports of the plurality of amplifiers is selectively coupled to any of multiple input ports of the plurality of input ports of the plurality of demodulators.
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9.发明授权Distortion cancellation for dual stage carrier-aggregation (CA) low noise amplifier (LNA) non-linear second order products 有权双级载波聚合（CA）低噪声放大器（LNA）非线性二阶产品的失真消除公开(公告)号：US09379673B2
公开(公告)日：2016-06-28
申请号：US14292330
申请日：2014-05-30
发明人： Chuan Wang , Dongling Pan , Yiwu Tang , Klaas van Zalinge , Muhammad Hassan
CPC分类号： H03F1/32 , H03F1/223 , H03F1/26 , H03F1/3205 , H03F3/19 , H03F3/193 , H03F3/245 , H03F2200/111 , H03F2200/165 , H03F2200/171 , H03F2200/294 , H03F2200/405 , H03F2200/408 , H03F2200/411 , H03F2200/451 , H03F2201/3215 , H04L25/03006
摘要： A device includes a main two-stage low noise amplifier (LNA) configured to amplify a carrier aggregation (CA) communication signal, the main two-stage LNA comprising a first LNA stage and a second LNA stage, an output of the first LNA stage having a first stage second order intermodulation product, the second LNA stage comprising a phase-inverter configured to phase-invert the output of the first LNA stage to generate a second stage phase-inverted output, and an auxiliary LNA stage coupled to the main two-stage LNA, the auxiliary LNA stage configured to cancel the first stage second order intermodulation product.
摘要翻译： 一种装置包括被配置为放大载波聚合（CA）通信信号的主要两级低噪声放大器（LNA），所述主要两级LNA包括第一LNA级和第二LNA级，所述第一LNA级的输出 具有第一级二阶互调产物，所述第二LNA级包括被配置为相位反转所述第一LNA级的输出以产生第二级相位反相输出的相位反相器，以及耦合到所述主二极管的辅助LNA级 级LNA，辅助LNA级配置为取消第一级二阶互调产物。
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公开(公告)号：US20150381112A1
公开(公告)日：2015-12-31
申请号：US14317894
申请日：2014-06-27
发明人： Chuan Wang , Wu-Hsin Chen , Aleksandar Miodrag Tasic , Jusung Kim
CPC分类号： H03D7/1466 , H03H7/38 , H03H2007/0192 , H04B1/1036 , H04B1/109 , H04B1/40 , H04B2001/1063
摘要： An apparatus includes an auxiliary mixing path configured to receive a differential signal. The apparatus also includes a filter having an input coupled to the auxiliary mixing path.
摘要翻译： 一种装置包括配置成接收差分信号的辅助混合路径。 该装置还包括具有耦合到辅助混合路径的输入的滤波器。
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