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    LOW VOLTAGE TRANSMITTER
    1.
    发明申请
    LOW VOLTAGE TRANSMITTER 审中-公开

    公开(公告)号：US20160043700A1

    公开(公告)日：2016-02-11

    申请号：US14919401

    申请日：2015-10-21

    Applicant: BROADCOM CORPORATION

    Inventor： Behnam Mohammadi ,  Masoud Kahrizi ,  Ahmad Mirzaei ,  Bernd Pregardier ,  John Cumming Leete

    IPC: H03G3/30

    CPC classification number: H03G3/3036 ,  H03G3/3042

    Abstract: A wireless communications transmitter is divided into N binary weighted communication signal processing paths including both fixed and variable gain communication signal processing chains. Specific bit sequences are used to select a combination of fixed and variable gain signal processing paths to adjust to a desired transmitter output power. Alternately, high and low power communication signal processing paths are chosen as needed with the high power communication signal processing path including an odd order harmonic notch filter.

    Transmitter diversity with a passive mixer network
    2.
    发明授权
    Transmitter diversity with a passive mixer network 有权
    无源混频器网络的发射机分集

    公开(公告)号：US09054762B2

    公开(公告)日：2015-06-09

    申请号：US13897326

    申请日：2013-05-17

    Applicant: Broadcom Corporation

    Inventor： Ahmad Mirzaei ,  Mohyee Salahelden Mikhemar ,  Meng-An Pan ,  Rahul Magoon

    IPC: H04L27/00 ,  H04B7/06

    CPC classification number: H04B7/0682 ,  H04B1/0483

    Abstract: A transmitter circuit with a passive mixer network includes a first outbound signal path configured to carry a first outbound signal. The transmitter circuit includes a second outbound signal path configured to carry a second outbound signal. The transmitter circuit includes N passive mixers coupled to the first and second outbound signal paths and configured to up-convert the first and second outbound signals from a first frequency to a second frequency based on a clock cycle, where N is a positive even integer. The first and second outbound signals are passed through the N passive mixers during each phase of 2*N phases in the clock cycle. The transmitter circuit also includes N radio frequency signal paths coupled to an output of respective ones of the N passive mixers and configured to receive the first and second outbound signals in the second frequency during each phase of the clock cycle.

    Abstract translation: 具有无源混频器网络的发射机电路包括被配置为携带第一出站信号的第一出站信号路径。 发射机电路包括被配置为携带第二出站信号的第二出站信号路径。 发射机电路包括耦合到第一和第二出站信号路径的N个无源混频器，并且被配置为基于时钟周期将第一和第二出站信号从第一频率上升到第二频率，其中N是正均匀整数。 第一和第二出站信号在时钟周期的2 * N个相位的每个阶段通过N个无源混频器。 发射机电路还包括N个无线电频率信号路径，其耦合到N个无源混频器中的相应的无源混频器的输出，并被配置为在时钟周期的每个阶段期间以第二频率接收第一和第二出站信号。

    LOW VOLTAGE TRANSMITTER
    4.
    发明申请
    LOW VOLTAGE TRANSMITTER 有权
    低电压变送器

    公开(公告)号：US20150065072A1

    公开(公告)日：2015-03-05

    申请号：US14040388

    申请日：2013-09-27

    Applicant: BROADCOM CORPORATION

    Inventor： Behnam Mohammadi ,  Masoud Kahrizi ,  Ahmad Mirzaei ,  Bernd Pregardier ,  John Cumming Leete

    IPC: H03G3/20

    CPC classification number: H03G3/3036 ,  H03G3/3042

    Abstract: A wireless communications transmitter is divided into N binary weighted communication signal processing paths including both fixed and variable gain communication signal processing chains. Specific bit sequences are used to select a combination of fixed and variable gain signal processing paths to adjust to a desired transmitter output power. Alternately, high and low power communication signal processing paths are chosen as needed with the high power communication signal processing path including an odd order harmonic notch filter.

    Abstract translation: 无线通信发射机被分为包括固定和可变增益通信信号处理链的N个二进制加权通信信号处理路径。 特定比特序列用于选择固定和可变增益信号处理路径的组合，以调整到期望的发射机输出功率。 或者，根据需要选择高功率和低功率通信信号处理路径，其中高功率通信信号处理路径包括奇数阶谐波陷波滤波器。

    Power reduction and linearizing techniques of transmitters
    5.
    发明授权
    Power reduction and linearizing techniques of transmitters 有权
    发射机的功率降低和线性化技术

    公开(公告)号：US08913968B2

    公开(公告)日：2014-12-16

    申请号：US13672450

    申请日：2012-11-08

    Applicant: Broadcom Corporation

    Inventor： Ahmad Mirzaei ,  Hooman Darabi

    IPC: H04B1/04 ,  H03B19/00

    CPC classification number: H04B1/04 ,  H03B19/00 ,  H03D7/1433 ,  H03D7/1458 ,  H03D7/1466 ,  H03D7/1491 ,  H03D7/165 ,  H04B1/0475

    Abstract: A transmitter includes a power amplifier driver to amplify a communication signal and a mixer connected with the power amplifier driver, the mixer to output the communication signal to the power amplifier driver. A capacitor and an inductor connect with the mixer and the power amplifier driver. The capacitor and the inductor create a resonant frequency to attenuate frequency components around a determined order of a local oscillator signal.

    Abstract translation: 发射机包括用于放大通信信号的功率放大器驱动器和与功率放大器驱动器连接的混频器，混频器将通信信号输出到功率放大器驱动器。 电容器和电感器与混频器和功率放大器驱动器连接。 电容器和电感器产生谐振频率以衰减围绕本地振荡器信号的确定阶数的频率分量。

    SAW-less receiver including an if frequency translated BPF
    7.
    发明授权
    SAW-less receiver including an if frequency translated BPF 有权
    无SAW接收机，包括频率转换BPF

    公开(公告)号：US09002295B2

    公开(公告)日：2015-04-07

    申请号：US14028161

    申请日：2013-09-16

    Applicant: Broadcom Corporation

    Inventor： Ahmad Mirzaei ,  Hooman Darabi

    IPC: H04B1/38 ,  H04L27/06 ,  H04L27/34

    CPC classification number: H04L27/06 ,  H04L27/34

    Abstract: A SAW-less receiver includes an FEM interface module, an RF to IF receiver section, and a receiver IF to baseband section. The RF to IF receiver section includes a mixing module, a mixed buffer section, and a frequency translated BPF (FTBPF) circuit module. The mixing module converts an inbound RF signal into an in-phase (I) mixed signal and a quadrature (Q) mixed signal. The mixed buffer section filters and buffers the I mixed signal and filter and buffer the Q mixed signal. The FTBPF circuit module frequency translates a baseband filter response to an IF filter response such that the FTBPF circuit module filters undesired signal components of the IF I signal and the IF Q signal to produce an inbound IF signal. The receiver IF to baseband section converts the inbound IF signal into one or more inbound symbol streams.

    Abstract translation: 无SAW接收机包括FEM接口模块，RF至IF接收机部分和接收机IF到基带部分。 RF至IF接收器部分包括混合模块，混合缓冲器部分和频率转换BPF（FTBPF）电路模块。 混合模块将入站RF信号转换为同相（I）混合信号和正交（Q）混合信号。 混合缓冲区对I混合信号进行滤波和缓冲，并对Q混合信号进行滤波和缓冲。 FTBPF电路模块频率将基带滤波器响应转换为IF滤波器响应，使得FTBPF电路模块滤除IF I信号和IF Q信号的不期望的信号分量以产生入站IF信号。 接收机IF到基带部分将入站IF信号转换成一个或多个入站符号流。

    REPARTITIONED TRANSCEIVER USING SILICON-ON-INSULATOR
    8.
    发明申请
    REPARTITIONED TRANSCEIVER USING SILICON-ON-INSULATOR 有权
    使用绝缘体绝缘体的分散收发器

    公开(公告)号：US20140153619A1

    公开(公告)日：2014-06-05

    申请号：US13718378

    申请日：2012-12-18

    Applicant: BROADCOM CORPORATION

    Inventor： Rahul Magoon ,  Michael (Meng-An) Pan ,  Ahmad Mirzaei ,  Mohyee Mikhemar

    IPC: H04B1/40 ,  H04B1/04

    CPC classification number: H04B1/0458 ,  H03F3/195 ,  H03F3/245 ,  H03F3/45475 ,  H03F2203/45548

    Abstract: A transceiver circuit including a digital-to-analog converter, a filter coupled to the digital-to-analog converter, a passive mixer coupled to the filter, via a buffer and a multi-stage power amplifier coupled to the passive mixer via a passive amplifier. A transmitter and method for amplifying a RF signal for transmission are also provided.

    Abstract translation: 包括数模转换器，耦合到数模转换器的滤波器，经由缓冲器耦合到滤波器的无源混频器和经无源器件耦合到无源混频器的多级功率放大器的收发器电路 放大器 还提供了用于放大用于传输的RF信号的发射机和方法。

    Power Reduction and Linearizing Techniques of Transmitters
    9.
    发明申请
    Power Reduction and Linearizing Techniques of Transmitters 有权
    发射机的功率降低和线性化技术

    公开(公告)号：US20140128014A1

    公开(公告)日：2014-05-08

    申请号：US13672450

    申请日：2012-11-08

    Applicant: BROADCOM CORPORATION

    Inventor： Ahmad Mirzaei ,  Hooman Darabi

    IPC: H04B1/04 ,  H03B19/00

    CPC classification number: H04B1/04 ,  H03B19/00 ,  H03D7/1433 ,  H03D7/1458 ,  H03D7/1466 ,  H03D7/1491 ,  H03D7/165 ,  H04B1/0475

    Abstract: A transmitter includes a power amplifier driver to amplify a communication signal and a mixer connected with the power amplifier driver, the mixer to output the communication signal to the power amplifier driver. A capacitor and an inductor connect with the mixer and the power amplifier driver. The capacitor and the inductor create a resonant frequency to attenuate frequency components around a determined order of a local oscillator signal.

    Abstract translation: 发射机包括用于放大通信信号的功率放大器驱动器和与功率放大器驱动器连接的混频器，混频器将通信信号输出到功率放大器驱动器。 电容器和电感器与混频器和功率放大器驱动器连接。 电容器和电感器产生谐振频率以衰减围绕本地振荡器信号的确定阶数的频率分量。

    Method and System for Low-Noise, Highly-Linear Receiver Front-End
    10.
    发明申请
    Method and System for Low-Noise, Highly-Linear Receiver Front-End 有权
    低噪声，高线性接收机前端的方法和系统

    公开(公告)号：US20140057584A1

    公开(公告)日：2014-02-27

    申请号：US13863057

    申请日：2013-04-15

    Applicant: Broadcom Corporation

    Inventor： David Murphy ,  Ahmad Mirzaei ,  Mohyee Mikhemar ,  Hooman Darabi

    IPC: H04B1/16

    CPC classification number: H04B1/16 ,  H04B1/30

    Abstract: Aspects of a method and system for a low-noise, highly-linear receiver front-end are provided. In this regard, a received signal may be processed via one or more transconductances, one or more transimpedance amplifiers (TIAs), and one or more mixers to generate a first baseband signal corresponding to a voltage at a node of the receiver, and a second baseband signal corresponding to a current at the node of the receiver. The first signal and the second signal may be processed to recover information from the received signal. The first signal may be generated via a first one or more signal paths of the receiver and the second signal may be generated via a second one or more signal paths of the receiver.

    Abstract translation: 提供了一种用于低噪声，高线性接收机前端的方法和系统。 在这方面，可以经由一个或多个跨导，一个或多个跨阻抗放大器（TIAs）和一个或多个混频器来处理接收的信号，以产生对应于接收机的节点处的电压的第一基带信号，以及第二 对应于接收机节点处的电流的基带信号。 可以处理第一信号和第二信号以从接收的信号中恢复信息。 可以经由接收机的第一个或多个信号路径生成第一信号，并且可以经由接收机的第二个一个或多个信号路径来生成第二信号。

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