Dual-band voltage-controlled oscillator using bias switching and output-buffer multiplexing
    1.
    发明授权
    Dual-band voltage-controlled oscillator using bias switching and output-buffer multiplexing 有权
    双频压控振荡器采用偏置开关和输出缓冲复用

    公开(公告)号:US07414490B2

    公开(公告)日:2008-08-19

    申请号:US11288212

    申请日:2005-11-29

    IPC分类号: H03B5/12

    摘要: Disclosed is a dual-band voltage-controlled oscillator using bias switching and output-buffer multiplexing. The dual-band voltage-controlled oscillator includes a power supply unit for supplying a source voltage; plural voltage-controlled oscillation units for outputting different oscillation frequencies according to controls of a certain tuning voltage; plural bias units for generating driving voltages for driving the voltage-controlled oscillation units and supplying the driving voltages to the voltage-controlled oscillation units; and plural buffers for selectively outputting oscillation frequencies of the plural voltage-controlled oscillation units. The present invention implements the dual-band voltage-controlled oscillator through bias switching and output-buffer multiplexing, which brings an advantage of elimination of interference between output frequencies to enhance phase noise characteristics.

    摘要翻译: 公开了一种使用偏置开关和输出缓冲器复用的双频带压控振荡器。 双频带压控振荡器包括用于提供源电压的电源单元; 多个电压控制振荡单元,用于根据某个调谐电压的控制输出不同的振荡频率; 多个偏压单元,用于产生用于驱动压控振荡单元的驱动电压并将驱动电压提供给压控振荡单元; 以及用于选择性地输出多个压控振荡单元的振荡频率的多个缓冲器。 本发明通过偏置开关和输出缓冲多路复用来实现双频压控振荡器,其具有消除输出频率之间的干扰以增强相位噪声特性的优点。

    Dual-band voltage-controlled oscillator using bias switching and output-buffer multiplexing
    2.
    发明申请
    Dual-band voltage-controlled oscillator using bias switching and output-buffer multiplexing 有权
    双频压控振荡器采用偏置开关和输出缓冲复用

    公开(公告)号:US20060170512A1

    公开(公告)日:2006-08-03

    申请号:US11288212

    申请日:2005-11-29

    IPC分类号: H03B5/12

    摘要: Disclosed is a dual-band voltage-controlled oscillator using bias switching and output-buffer multiplexing. The dual-band voltage-controlled oscillator includes a power supply unit for supplying a source voltage; plural voltage-controlled oscillation units for outputting different oscillation frequencies according to controls of a certain tuning voltage; plural bias units for generating driving voltages for driving the voltage-controlled oscillation units and supplying the driving voltages to the voltage-controlled oscillation units; and plural buffers for selectively outputting oscillation frequencies of the plural voltage-controlled oscillation units. The present invention implements the dual-band voltage-controlled oscillator through bias switching and output-buffer multiplexing, which brings an advantage of elimination of interference between output frequencies to enhance phase noise characteristics.

    摘要翻译: 公开了一种使用偏置开关和输出缓冲器复用的双频带压控振荡器。 双频带压控振荡器包括用于提供源电压的电源单元; 多个电压控制振荡单元,用于根据某个调谐电压的控制输出不同的振荡频率; 多个偏压单元,用于产生用于驱动压控振荡单元的驱动电压并将驱动电压提供给压控振荡单元; 以及用于选择性地输出多个压控振荡单元的振荡频率的多个缓冲器。 本发明通过偏置开关和输出缓冲多路复用来实现双频压控振荡器,其具有消除输出频率之间的干扰以增强相位噪声特性的优点。

    RF receiver and method to receive, amplify, sample, down convert, anti-aliasing filter, and ADC convert an RF signal
    3.
    发明授权
    RF receiver and method to receive, amplify, sample, down convert, anti-aliasing filter, and ADC convert an RF signal 有权
    RF接收器和接收,放大,采样,降压转换,抗混叠滤波器和ADC转换RF信号的方法

    公开(公告)号:US08391822B2

    公开(公告)日:2013-03-05

    申请号:US12169073

    申请日:2008-07-08

    IPC分类号: H04B1/16

    CPC分类号: H04B1/28

    摘要: A radio frequency (RF) receiver and a method of receiving an RF signal are provided. The RF receiver includes a low-noise amplifying unit which amplifies a received signal while restricting out-of-band interference of the received signal, a sampling unit which performs sampling to convert the amplified signal to a discrete time domain signal, a frequency translation unit which down-converts the discrete time domain signal into a frequency band that enables the discrete time domain signal to be converted into a digital signal and restricts interference from a frequency within an aliasing band according to a sampling frequency, an anti-aliasing filtering unit which prevents aliasing from the down-converted signal, a clock unit which provides the sampling unit, the frequency translation unit, and the anti-aliasing filtering unit with sampling frequencies, and an analog-digital-converter which converts the converted signal into the digital signal.

    摘要翻译: 提供射频(RF)接收机和接收RF信号的方法。 RF接收机包括低噪声放大单元,其在限制接收信号的带外干扰的同时放大接收信号;执行采样以将放大信号转换为离散时域信号的采样单元;频率转换单元 其将离散时域信号下变频成使得离散时域信号能够被转换为数字信号的频带,并根据采样频率限制来自混叠频带内的频率的干扰;抗混叠滤波单元, 防止来自下变频信号的混叠,提供采样单元的时钟单元,频率转换单元和具有采样频率的抗混叠滤波单元,以及将转换的信号转换成数字信号的模数转换器 。

    Variable inductor
    4.
    发明申请
    Variable inductor 有权
    可变电感

    公开(公告)号:US20070052512A1

    公开(公告)日:2007-03-08

    申请号:US11513059

    申请日:2006-08-31

    IPC分类号: H01F5/00

    摘要: A variable inductor is provided, which includes a first lead having both ends to receive a pair of difference signals, a second lead having both ends to receive a pair of the difference signals, and a switch selectively supplying a pair of the difference signals to the second lead by turning on/off according to a control signal. Accordingly, a variable inductor can be implemented that is compact and maximizes the variation rate of inductance.

    摘要翻译: 提供了一种可变电感器,其包括具有两端以接收一对差信号的第一引线,具有两端以接收一对差信号的第二引线,以及选择性地将一对差信号提供给 根据控制信号通过接通/断开第二引线。 因此,可以实现紧凑的可变电感器并使电感的变化率最大化。

    NxN multiple-input multiple-output transceiver
    6.
    发明申请
    NxN multiple-input multiple-output transceiver 失效
    NxN多输入多输出收发器

    公开(公告)号:US20070098105A1

    公开(公告)日:2007-05-03

    申请号:US11543120

    申请日:2006-10-05

    IPC分类号: H04L1/02

    CPC分类号: H04B7/0413 H04L1/06

    摘要: An N×N multiple-input multiple-output (MIMO) transceiver is provided. The transceiver includes a plurality of transceivers, each including at least one transceiver circuit; an oscillation unit which is configured to generate a differential signal which is supplied to the at least one transceiver circuit; a plurality of buffers, which are mounted in a bypass line between the at least one transceiver circuit and the oscillation unit and are configured to amplify and bypass the differential signal or input and amplify the differential signal; and a buffer control unit which is configured to control the plurality of buffers to bypass or input the differential signal.

    摘要翻译: 提供了一种NxN多输入多输出(MIMO)收发器。 收发器包括多个收发器,每个收发器包括至少一个收发器电路; 振荡单元,被配置为产生提供给所述至少一个收发器电路的差分信号; 多个缓冲器,其安装在所述至少一个收发器电路和所述振荡单元之间的旁路线路中,并且被配置为放大和旁路所述差分信号或者输入和放大所述差分信号; 以及缓冲器控制单元,其被配置为控制所述多个缓冲器来旁路或输入所述差分信号。

    Method and system for calibrating input voltage of voltage controlled oscillator and digital interface used for calibrating input voltage
    7.
    发明申请
    Method and system for calibrating input voltage of voltage controlled oscillator and digital interface used for calibrating input voltage 失效
    用于校准压控振荡器的输入电压和用于校准输入电压的数字接口的方法和系统

    公开(公告)号:US20060208808A1

    公开(公告)日:2006-09-21

    申请号:US11368627

    申请日:2006-03-07

    IPC分类号: H03L7/00

    CPC分类号: H03L7/10 Y10S331/02

    摘要: A method and a system for calibrating an input voltage of a voltage controlled oscillator and a digital interface used for calibrating the input voltage. The method includes: setting a lock detection time for tuning a signal phase; setting a lock detection voltage section; setting output frequency values at predetermine spacings; checking connection states of capacitors of the capacitor bank necessary for a lock of the output frequency values; storing information regarding the connection states of the capacitors in the output frequency values; and if one of the output frequency values is determined depending on a change of a channel, setting connection states of the capacitors according to the information regarding the connection state corresponding to the one frequency value. The capacitor bank includes: a predetermined number of capacitors having different capacitances and connected to one another in parallel; and switches connected to the capacitors in series.

    摘要翻译: 用于校准压控振荡器的输入电压的方法和系统以及用于校准输入电压的数字接口。 该方法包括:设置用于调谐信号相位的锁定检测时间; 设置锁定检测电压部分; 以预定的间距设定输出频率值; 检查用于锁定输出频率值所需的电容器组的电容器的连接状态; 将关于电容器的连接状态的信息存储在输出频率值中; 并且如果根据信道的变化确定输出频率值中的一个,则根据与一个频率值相对应的关于连接状态的信息来设置电容器的连接状态。 电容器组包括:具有不同电容并且彼此并联连接的预定数量的电容器; 并且串联连接到电容器的开关。

    MIM capacitor including ground shield layer
    8.
    发明申请
    MIM capacitor including ground shield layer 审中-公开
    MIM电容器包括接地屏蔽层

    公开(公告)号:US20060197133A1

    公开(公告)日:2006-09-07

    申请号:US11360585

    申请日:2006-02-24

    IPC分类号: H01L29/94

    摘要: An MIM capacitor includes a substrate, a capacitor part having a structure in which a bottom electrode, a dielectric layer and a top electrode are laminated in order, and a ground shield layer formed between the bottom electrode of the capacitor part and the substrate and connected to a predetermined ground terminal. The ground shield layer may be formed of metal or polysilicon, or a layer doped with impurities having a valence of three or five. Also, the ground shield layer has a predetermined patterned structure. Thus, it is possible to minimize power loss due to the substrate.

    摘要翻译: MIM电容器包括基板,具有依次层叠底部电极,电介质层和顶部电极的结构的电容器部分,以及形成在电容器部分的底部电极和基板之间的接地屏蔽层,并连接 到预定的接地端子。 接地屏蔽层可以由金属或多晶硅形成,或者掺杂有三价或五价杂质的层。 此外,接地屏蔽层具有预定的图案结构。 因此,可以最小化由于衬底引起的功率损耗。

    Complementary metal oxide semiconductor voltage controlled oscillator
    9.
    发明申请
    Complementary metal oxide semiconductor voltage controlled oscillator 有权
    互补金属氧化物半导体压控振荡器

    公开(公告)号:US20060197621A1

    公开(公告)日:2006-09-07

    申请号:US11355976

    申请日:2006-02-17

    IPC分类号: H03B5/08

    摘要: A complementary metal oxide semiconductor voltage controlled oscillator is provided. The voltage controlled oscillator includes an LC tank which is supplied with a power supply voltage, the LC tank oscillating at a certain frequency; a negative resistor including first and second N-channel metal oxide semiconductor field effect transistors (NMOS FETs) to sustain the oscillation of the LC tank; a direct current block to remove a direct current component from the power supply voltage; an alternating current block to apply an alternating current voltage to the gates of the first and second NMOS FETs; a first current mirror including third and fourth NMOS FETs and allowing a current to symmetrically flow in the voltage controlled oscillator, a drain and the gate of the third NMOS FET being connected to a reference voltage supply; and the reference voltage supply applying a direct current voltage to the first current mirror.

    摘要翻译: 提供了互补金属氧化物半导体压控振荡器。 压控振荡器包括一个供应电源电压的LC箱,LC箱以一定的频率振荡; 包括第一和第二N沟道金属氧化物半导体场效应晶体管(NMOS FET)的负电阻器,以维持LC箱的振荡; 直流电流块,用于从电源电压中去除直流分量; 交流电流块,用于向第一和第二NMOS FET的栅极施加交流电压; 第一电流镜包括第三和第四NMOS FET,并允许电流在压控振荡器中对称地流动,第三NMOS FET的漏极和栅极连接到参考电压源; 并且所述参考电压电源向所述第一电流镜施加直流电压。

    NxN multiple-input multiple-output transceiver
    10.
    发明授权
    NxN multiple-input multiple-output transceiver 失效
    NxN多输入多输出收发器

    公开(公告)号:US07848435B2

    公开(公告)日:2010-12-07

    申请号:US11543120

    申请日:2006-10-05

    IPC分类号: H04L1/02

    CPC分类号: H04B7/0413 H04L1/06

    摘要: An N×N multiple-input multiple-output (MIMO) transceiver is provided. The transceiver includes a plurality of transceivers, each including at least one transceiver circuit; an oscillation unit which is configured to generate a differential signal which is supplied to the at least one transceiver circuit; a plurality of buffers, which are mounted in a bypass line between the at least one transceiver circuit and the oscillation unit and are configured to amplify and bypass the differential signal or input and amplify the differential signal; and a buffer control unit which is configured to control the plurality of buffers to bypass or input the differential signal.

    摘要翻译: 提供了一种N×N多输入多输出(MIMO)收发器。 收发器包括多个收发器,每个收发器包括至少一个收发器电路; 振荡单元,被配置为生成提供给所述至少一个收发器电路的差分信号; 多个缓冲器,其安装在所述至少一个收发器电路和所述振荡单元之间的旁路线路中,并且被配置为放大和旁路所述差分信号或者输入和放大所述差分信号; 以及缓冲器控制单元,其被配置为控制所述多个缓冲器来旁路或输入所述差分信号。