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公开(公告)号：US20150063508A1
公开(公告)日：2015-03-05
申请号：US14319992
申请日：2014-06-30
Applicant: MaxLinear, Inc.
Inventor： Raja Pullela , Yu Su , Wenjian Chen
IPC: H04L25/08
Abstract: A circuit for down-converting an RF signal to a baseband signal includes a trans-admittance amplifier adapted to receive the RF signal and generate in response a pair of differential current signals. The circuit further includes a trans-impedance amplifier having at least four mixers and at least four linear amplifiers. The four mixers frequency down-convert the pair of differential current signals to generate four pairs of differential baseband current signals, wherein each pair of the differential baseband current signals has a different phase and is associated with each of the linear amplifiers. Additionally, the circuit includes a summing block that generates an in-phase signal using a first weighted sum of the four different baseband current signals and a quadrature signal using a second weighted sum of the four different baseband current signals. The circuit further includes an analog-to-digital converter for converting the in-phase and quadrature signals to respective digital representations.
Abstract translation: 用于将RF信号下变频为基带信号的电路包括适合于接收RF信号并且响应于一对差分电流信号而产生的反导纳放大器。 电路还包括具有至少四个混频器和至少四个线性放大器的跨阻抗放大器。 四个混频器对一对差分电流信号进行下变频以产生四对差分基带电流信号，其中每对差分基带电流信号具有不同的相位并且与每个线性放大器相关联。 此外，该电路包括一个求和块，其使用四个不同基带电流信号的第一加权和产生同相信号，并使用四个不同基带电流信号的第二加权和产生正交信号。 电路还包括用于将同相和正交信号转换为相应数字表示的模数转换器。
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公开(公告)号：US09941986B2
公开(公告)日：2018-04-10
申请号：US15297595
申请日：2016-10-19
Applicant: MaxLinear, Inc.
Inventor： Glenn Chang , Raja Pullela , Madhukar Reddy , Timothy Gallagher , Shanta Murthy Prem Swaroop , Curtis Ling , Vamsi Paidi , Wenjian Chen
CPC classification number: H04H40/90 , H04N21/6143
Abstract: A direct broadcast satellite (DBS) reception assembly may comprise an integrated circuit that is configurable between or among a plurality of configurations based on content requested by client devices served by the DBS reception assembly. In a first configuration, multiple satellite frequency bands may be digitized by the integrated circuit as a single wideband signal. In a second configuration, the satellite frequency bands may be digitized by the integrated circuit as a plurality of separate narrowband signals. The integrated circuit may comprise a plurality of receive paths, each of the receive chains comprising a respective one of a plurality of low noise amplifiers and a plurality of analog-to-digital converters.
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公开(公告)号：US20180019738A1
公开(公告)日：2018-01-18
申请号：US15651290
申请日：2017-07-17
Applicant: Maxlinear, Inc.
Inventor： Sangeetha Gopalakrishnan , Wenjian Chen , Vamsi Paidi
Abstract: Aspects of methods and systems for high frequency signal selection are provided. The system for high frequency signal selection comprises a first driver and a second driver. The first driver is able to receive a first high frequency input, and the second driver is able to receive a second high frequency input. The output of the first driver is operably coupled, via a first inductive element, to a first resistive load and a first buffer, and the second driver is operably coupled, via a second inductive element, to the output of the first driver. One or both of the first high frequency input and the second high frequency input may be transferred to the first buffer by selectively enabling a current to one or both of the first driver and the second driver, respectively.
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14.发明授权公开(公告)号：US09621117B2
公开(公告)日：2017-04-11
申请号：US15094658
申请日：2016-04-08
Applicant: Maxlinear, Inc.
Inventor： Raja Pullela , Wenjian Chen , Vamsi Paidi
CPC classification number: H04B1/16 , H03F1/565 , H03F3/195 , H03F2200/06 , H03F2200/165 , H03F2200/171 , H03F2200/294 , H03F2200/429 , H03F2200/451 , H03F2203/7209 , H03G5/28 , H03H7/0115 , H04B1/005
Abstract: Methods and systems for a configurable low-noise amplifier with programmable band-selection filters may comprise a receiver with a low-noise amplifier (LNA) with differential output terminals; a low pass filter operably coupled to the LNA; a high pass filter operably coupled to the second input terminal of the LNA; and a signal source input coupled to the low pass filter and the high pass filter. The LNA may be operable to receive signals in a pass band of the high pass filter and a pass band of the low pass filter. The receiver may be operable to amplify input signals in the pass band of a first filter but not signals in the pass band of the second filter by operably coupling the second to ground.
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公开(公告)号：US09509422B2
公开(公告)日：2016-11-29
申请号：US14948436
申请日：2015-11-23
Applicant: MaxLinear, Inc.
Inventor： Glenn Chang , Raja Pullela , Madhukar Reddy , Timothy Gallagher , Shanta Murthy Prem Swaroop , Curtis Ling , Vamsi Paidi , Wenjian Chen
CPC classification number: H04H40/90 , H04N21/6143
Abstract: A direct broadcast satellite (DBS) reception assembly may comprise an integrated circuit that is configurable between or among a plurality of configurations based on content requested by client devices served by the DBS reception assembly. In a first configuration, multiple satellite frequency bands may be digitized by the integrated circuit as a single wideband signal. In a second configuration, the satellite frequency bands may be digitized by the integrated circuit as a plurality of separate narrowband signals. The integrated circuit may comprise a plurality of receive paths, each of the receive chains comprising a respective one of a plurality of low noise amplifiers and a plurality of analog-to-digital converters.
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Patent Agency Ranking
16.发明申请Method And System For A Configurable Low-Noise Amplifier With Programmable Band-Selection Filters 有权具有可编程频带选择滤波器的可配置低噪声放大器的方法和系统公开(公告)号：US20160226460A1
公开(公告)日：2016-08-04
申请号：US15094658
申请日：2016-04-08
Applicant: Maxlinear, Inc.
Inventor： Raja Pullela , Wenjian Chen , Vamsi Paidi
CPC classification number: H04B1/16 , H03F1/565 , H03F3/195 , H03F2200/06 , H03F2200/165 , H03F2200/171 , H03F2200/294 , H03F2200/429 , H03F2200/451 , H03F2203/7209 , H03G5/28 , H03H7/0115 , H04B1/005
Abstract: Methods and systems for a configurable low-noise amplifier with programmable band-selection filters may comprise a receiver with a low-noise amplifier (LNA) with differential output terminals; a low pass filter operably coupled to the LNA; a high pass filter operably coupled to the second input terminal of the LNA; and a signal source input coupled to the low pass filter and the high pass filter. The LNA may be operable to receive signals in a pass band of the high pass filter and a pass band of the low pass filter. The receiver may be operable to amplify input signals in the pass band of a first filter but not signals in the pass band of the second filter by operably coupling the second to ground.
Abstract translation: 具有可编程频带选择滤波器的可配置低噪声放大器的方法和系统可以包括具有差分输出端的低噪声放大器（LNA）的接收机; 可操作地耦合到LNA的低通滤波器; 可操作地耦合到LNA的第二输入端的高通滤波器; 以及耦合到低通滤波器和高通滤波器的信号源输入。 LNA可以用于在高通滤波器的通带和低通滤波器的通带中接收信号。 接收器可以可操作地通过可操作地耦合第二到地来放大第一滤波器的通带中的输入信号而不是第二滤波器的通带中的信号。
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17.发明申请METHOD AND SYSTEM FOR A CONFIGURABLE LOW-NOISE AMPLIFIER WITH PROGRAMMABLE BAND-SELECTION FILTERS 有权具有可编程带选择滤波器的可配置低噪声放大器的方法和系统公开(公告)号：US20140335808A1
公开(公告)日：2014-11-13
申请号：US14272331
申请日：2014-05-07
Applicant: Maxlinear, Inc.
Inventor： Raja Pullela , Wenjian Chen , Vamsi Paidi
CPC classification number: H04B1/16 , H03F1/565 , H03F3/195 , H03F2200/06 , H03F2200/165 , H03F2200/171 , H03F2200/294 , H03F2200/429 , H03F2200/451 , H03F2203/7209 , H03G5/28 , H03H7/0115 , H04B1/005
Abstract: Methods and systems for a configurable low-noise amplifier with programmable band-selection filters may comprise a low-noise amplifier (LNA) with a low pass filter coupled to a first input of the LNA and a high pass filter coupled to a second input of the LNA. The low pass filter and the high pass filter may also be coupled to a signal source input. Signals may be received in a pass band of the high pass filter and a pass band of the low pass filter. Input signals in the pass band of the one filter (but not signals in the pass band of the other filter) may be amplified by coupling the one input of the LNA to ground and coupling the other filter to ground utilizing a shunt resistor. The filters may be configurable and may each comprise at least one inductor and at least one capacitor.
Abstract translation: 具有可编程频带选择滤波器的可配置低噪声放大器的方法和系统可以包括具有耦合到LNA的第一输入的低通滤波器的低噪声放大器（LNA）和耦合到LNA的第二输入的高通滤波器 LNA。 低通滤波器和高通滤波器也可以耦合到信号源输入。 信号可以在高通滤波器的通带和低通滤波器的通带中被接收。 一个滤波器的通带中的输入信号（但不是另一个滤波器的通带中的信号）可以通过将LNA的一个输入耦合到地并且使用分流电阻将另一个滤波器耦合到地来放大。 滤波器可以是可配置的，并且每个滤波器可以包括至少一个电感器和至少一个电容器。
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18.发明授权公开(公告)号：US10181869B2
公开(公告)日：2019-01-15
申请号：US15887618
申请日：2018-02-02
Applicant: Maxlinear, Inc.
Inventor： Raja Pullela , Wenjian Chen , Vamsi Paidi
Abstract: Methods and systems for a configurable low-noise amplifier with programmable band-selection filters may comprise a receiver with a low-noise amplifier (LNA) with first and second input terminals and differential output terminals; a low pass filter operably coupled to the LNA; a high pass filter operably coupled to the second input terminal of the LNA; and a signal source input coupled to the low pass filter and the high pass filter. The LNA may be operable to receive signals in a pass band of the high pass filter and a pass band of the low pass filter. The receiver may be operable to amplify input signals in the pass band of a first filter but not signals in the pass band of the second filter by operably coupling the second to ground.
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公开(公告)号：US20180191452A1
公开(公告)日：2018-07-05
申请号：US15907404
申请日：2018-02-28
Applicant: Maxlinear, Inc.
Inventor： Glenn Chang , Raja Pullela , Madhukar Reddy , Timothy Gallagher , Shantha Murthy Prem Swaroop , Curtis Ling , Vamsi Paidi , Wenjian Chen
CPC classification number: H04H40/90 , H04N21/6143
Abstract: A direct broadcast satellite (DBS) reception assembly may comprise an integrated circuit that is configurable between or among a plurality of configurations based on content requested by client devices served by the DBS reception assembly. In a first configuration, multiple satellite frequency bands may be digitized by the integrated circuit as a single wideband signal. In a second configuration, the satellite frequency bands may be digitized by the integrated circuit as a plurality of separate narrowband signals. The integrated circuit may comprise a plurality of receive paths, each of the receive chains comprising a respective one of a plurality of low noise amplifiers and a plurality of analog-to-digital converters.
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20.发明申请公开(公告)号：US20180159573A1
公开(公告)日：2018-06-07
申请号：US15887618
申请日：2018-02-02
Applicant: Maxlinear, Inc.
Inventor： Raja Pullela , Wenjian Chen , Vamsi Paidi
CPC classification number: H04B1/16 , H03F1/565 , H03F3/195 , H03F2200/06 , H03F2200/165 , H03F2200/171 , H03F2200/294 , H03F2200/429 , H03F2200/451 , H03F2203/7209 , H03G5/28 , H03H7/0115 , H04B1/005
Abstract: Methods and systems for a configurable low-noise amplifier with programmable band-selection filters may comprise a receiver with a low-noise amplifier (LNA) with first and second input terminals and differential output terminals; a low pass filter operably coupled to the LNA; a high pass filter operably coupled to the second input terminal of the LNA; and a signal source input coupled to the low pass filter and the high pass filter. The LNA may be operable to receive signals in a pass band of the high pass filter and a pass band of the low pass filter. The receiver may be operable to amplify input signals in the pass band of a first filter but not signals in the pass band of the second filter by operably coupling the second to ground.
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