Method and apparatus for reconfigurable frequency generation
    1.
    发明授权
    Method and apparatus for reconfigurable frequency generation 有权
    用于可重构频率发生的方法和装置

    公开(公告)号:US07869769B2

    公开(公告)日:2011-01-11

    申请号:US11946072

    申请日:2007-11-28

    IPC分类号: H04B1/40

    摘要: A frequency generator (100) takes a signal source (clock or carrier) (101) and generates a edge encoded direct digital modulated differential output signal (110). The differential signal (110) is applied to a frequency extension quadrature generator (FEQG) (112). The FEQG (112) includes a fractional differential wavelength delay locked loop (DLL) (280) and a frequency multiplier (240). The DLL (280) generates a control voltage (214) with which to control delays of the edge encoded modulation signal (110). A frequency extended quadrature function is applied to the periodic steady state input signal with edge encoded modulation (110), to provide the output signal set 113.

    摘要翻译: 频率发生器(100)接收信号源(时钟或载波)(101)并产生边缘编码直接数字调制差分输出信号(110)。 差分信号(110)被施加到频率扩展正交发生器(FEQG)(112)。 FEQG(112)包括分数差分波长延迟锁定环(DLL)(280)和倍频器(240)。 DLL(280)产生用于控制边缘编码调制信号(110)的延迟的控制电压(214)。 频率扩展正交函数被施加到具有边缘编码调制(110)的周期性稳态输入信号,以提供输出信号组113。

    METHOD AND APPARATUS FOR RECONFIGURABLE FREQUENCY GENERATION
    2.
    发明申请
    METHOD AND APPARATUS FOR RECONFIGURABLE FREQUENCY GENERATION 有权
    可重构频率生成的方法和装置

    公开(公告)号:US20090137211A1

    公开(公告)日:2009-05-28

    申请号:US11946072

    申请日:2007-11-28

    摘要: A frequency generator (100) takes a signal source (clock or carrier) (101) and generates a edge encoded direct digital modulated differential output signal (110). The differential signal (110) is applied to a frequency extension quadrature generator (FEQG) (112). The FEQG (112) includes a fractional differential wavelength delay locked loop (DLL) (280) and a frequency multiplier (240). The DLL (280) generates a control voltage (214) with which to control delays of the edge encoded modulation signal (110). A frequency extended quadrature function is applied to the periodic steady state input signal with edge encoded modulation (110), to provide the output signal set 113.

    摘要翻译: 频率发生器(100)接收信号源(时钟或载波)(101)并产生边缘编码直接数字调制差分输出信号(110)。 差分信号(110)被施加到频率扩展正交发生器(FEQG)(112)。 FEQG(112)包括分数差分波长延迟锁定环(DLL)(280)和倍频器(240)。 DLL(280)产生用于控制边缘编码调制信号(110)的延迟的控制电压(214)。 频率扩展正交函数被施加到具有边缘编码调制(110)的周期性稳态输入信号,以提供输出信号组113。

    Two port voltage controlled oscillator for use in wireless personal area network synthesizers
    3.
    发明授权
    Two port voltage controlled oscillator for use in wireless personal area network synthesizers 有权
    两端口压控振荡器,用于无线个域网络合成器

    公开(公告)号:US06987423B2

    公开(公告)日:2006-01-17

    申请号:US10643310

    申请日:2003-08-19

    IPC分类号: H03L7/00

    CPC分类号: H03B5/20

    摘要: A voltage controlled oscillator (VCO) for use in a personal area network synthesizer includes a delay cell (100), a first current amplifier (201, 203) for amplifying an input current, a resister capacitor (RC) tuning network (207, 209, 211) for varying the amount of amplification and delay of an output of the first current amplifier. A second current amplifier (213, 215) is then used for amplifying an output current from the RC tuning network. The invention includes a unique composite voltage variable capacitor (CVVC) (300) for precisely tuning the amount of delay presented by the delay cell. The unique topology of the delay cell (100) allows it to be readily used in voltage controlled oscillators (VCOs) operable at frequencies above 1 GHz.

    摘要翻译: 用于个人区域网络合成器的压控振荡器(VCO)包括延迟单元(100),用于放大输入电流的第一电流放大器(201,203),电阻电容器(RC)调谐网络(207,209) ,211),用于改变第一电流放大器的输出的放大量和延迟量。 然后,第二电流放大器(213,215)用于放大来自RC调谐网络的输出电流。 本发明包括用于精确调节由延迟单元呈现的延迟量的独特的复合电压可变电容器(CVVC)(300)。 延迟单元(100)的独特拓扑允许其容易地用于在1GHz以上的频率下工作的压控振荡器(VCO)。