会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 7. 发明申请
    • PHASE LOCKED LOOP AND CALIBRATION METHOD
    • 相位锁定和校准方法
    • US20100073048A1
    • 2010-03-25
    • US12236725
    • 2008-09-24
    • Ling-Wei KETai-Yuan YUHsin-Hung CHENTser-Yu LIN
    • Ling-Wei KETai-Yuan YUHsin-Hung CHENTser-Yu LIN
    • H03L7/08
    • H03L7/0898H03L7/093
    • A phase locked loop (PLL) directly uses a charge pump and loop filter therein for fast and low-costly calibration. The PLL comprises a charge pump, a loop filter, a voltage comparator, a counting device, and a calibration device. The loop filter comprises a voltage storage device coupled to the charge pump for charging by the charge pump, wherein the voltage storage device comprises a variable impedance. The voltage comparator is coupled to a voltage reference and to the voltage storage device for comparing a voltage of the storage device and a voltage of the voltage reference. The counting device is coupled to the voltage comparator to measure the charge time required for the voltage of the voltage storage device to substantially equal to the voltage of the voltage reference. The calibration device adjusts the variable impedance to adjust the time measured by the counting device to a desired time.
    • 锁相环(PLL)直接在其中使用电荷泵和环路滤波器,用于快速和低成本的校准。 PLL包括电荷泵,环路滤波器,电压比较器,计数装置和校准装置。 环路滤波器包括耦合到电荷泵的电压存储装置,用于由电荷泵充电,其中电压存储装置包括可变阻抗。 电压比较器耦合到电压基准和电压存储装置,用于比较存储装置的电压和电压基准的电压。 计数装置耦合到电压比较器,以测量电压存储装置的电压所需的充电时间基本上等于电压基准的电压。 校准装置调节可变阻抗,将计数装置测量的时间调整到所需的时间。
    • 8. 发明申请
    • SIGNAL GENERATING APPARATUS AND METHOD THEREOF
    • 信号发生装置及其方法
    • US20090072911A1
    • 2009-03-19
    • US11855161
    • 2007-09-14
    • Ling-Wei KeTai-Yuan YuHsin-Hung ChenTser-Yu Lin
    • Ling-Wei KeTai-Yuan YuHsin-Hung ChenTser-Yu Lin
    • H03L7/087H03L7/08H03L7/085
    • H03L7/0898H03L7/087H03L7/113H03L7/18
    • A signal generating apparatus is disclosed. The signal generating apparatus includes a phase-locked loop device for generating a synthesized signal, wherein the phase-locked loop device includes a phase detector, a charge pump device, a filtering device, a controllable oscillator, and a switch device coupled to the controllable oscillator for selectively coupling the controllable oscillator to the filtering device or a tuning reference signal; a calibration controller generates a tuning reference signal and controls the switch device; and a first calibrator tunes the controllable oscillator into a predetermined sub-band according to a reference oscillating signal and a synthesized signal when the switch device couples the controllable oscillator to the tuning reference signal of the calibration controller.
    • 公开了一种信号发生装置。 信号发生装置包括用于产生合成信号的锁相环装置,其中锁相环装置包括相位检测器,电荷泵装置,滤波装置,可控振荡器和耦合到可控制的开关装置 用于选择性地将可控振荡器耦合到滤波装置的振荡器或调谐参考信号; 校准控制器产生调谐参考信号并控制开关装置; 并且当开关装置将可控振荡器耦合到校准控制器的调谐参考信号时,第一校准器根据参考振荡信号和合成信号将可控振荡器调谐成预定子带。
    • 9. 发明申请
    • PHASE LOCKED LOOP FREQUENCY SYNTHESIZER AND METHOD FOR MODULATING THE SAME
    • 相位锁定频率合成器及其调制方法
    • US20080003953A1
    • 2008-01-03
    • US11745611
    • 2007-05-08
    • Ling-Wei KeTai Yuan YuHsin-Hung Chen
    • Ling-Wei KeTai Yuan YuHsin-Hung Chen
    • H04B1/40
    • H03L7/1976H03C3/0925H03C3/0933H03C3/0941H03C3/095
    • A phase locked loop frequency synthesizer including a phase locked loop, a frequency regenerator and a modulation processor, resistant to distortion induced by the frequency regenerator and conforming to transmission specifications. The phase locked loop comprises a detector generating a phase detection signal based on phase difference between a reference signal and a feedback signal, a loop filter, a voltage control oscillator generating a first output modulation signal and a frequency dividing unit varying a division factor based on a processed input modulation signal and dividing the frequency of the first output modulation signal by a division factor to generate the feedback signal. The frequency regenerator generates a second output modulation signal with a frequency range not overlapping an output frequency range of the voltage control oscillator. The modulation processor generates the processed input modulation signal to adjust the division factor of the frequency dividing unit and compensating for distortion induced by the frequency regenerator.
    • 一种锁相环频率合成器,包括锁相环,频率再生器和调制处理器,能够抵抗由频率再生器引起的失真并符合传输规范。 锁相环包括检测器,其基于参考信号和反馈信号之间的相位差产生相位检测信号,环路滤波器,产生第一输出调制信号的电压控制振荡器和基于 经处理的输入调制信号,并将第一输出调制信号的频率除以分频因子以产生反馈信号。 频率再生器产生频率范围不与压控振荡器的输出频率范围重叠的第二输出调制信号。 调制处理器产生经处理的输入调制信号,以调整分频单元的分频因子并补偿由频率再生器引起的失真。
    • 10. 发明申请
    • METHOD AND APPARATUS FOR MICRO-CODE EXECUTION
    • 微码执行的方法和装置
    • US20070220240A1
    • 2007-09-20
    • US11276318
    • 2006-02-24
    • Ching-Hua SuHsin-Hung Chen
    • Ching-Hua SuHsin-Hung Chen
    • G11B19/02G06F15/00
    • G06F9/24G06F8/65
    • A method for micro-code execution for an electronic device is disclosed. The method includes: providing the electronic device with a micro-code partitioned into a main core and at least a function code, the micro-code being stored in a first storage module of the electronic device; and when the electronic device is powered on, loading the main core from the first storage module into a second storage module of the electronic device, and switching between the second storage module for executing the main core and the first storage module for executing the function code to control operation of the electronic device. The function code is executed when called by execution of the main core.
    • 公开了一种用于电子设备的微码执行方法。 该方法包括:向电子设备提供划分成主核心的微码和至少一个功能码,微码存储在电子设备的第一存储模块中; 并且当所述电子设备通电时,将所述主芯从所述第一存储模块装载到所述电子设备的第二存储模块中,并且在用于执行所述主核心的所述第二存储模块与所述第一存储模块之间进行切换以执行所述功能代码 以控制电子设备的操作。 当通过主核心执行调用时,执行功能代码。