Stochastic analog-to-digital (A/D) converter and method for using the same
    1.
    发明授权
    Stochastic analog-to-digital (A/D) converter and method for using the same 有权
    随机模数(A / D)转换器及其使用方法

    公开(公告)号:US08384578B2

    公开(公告)日:2013-02-26

    申请号:US13192056

    申请日:2011-07-27

    IPC分类号: H03M1/14 H03M1/04

    摘要: An analog-to-digital (A/D) converter circuit arranged for receiving an analog input signal and for outputting a digital representation of said analog input signal is described. The A/D converter circuit includes: a first converter stage configured for receiving the analog input signal and for generating a first set of conversion bits, a first completion signal and a residual analog output signal representing the difference between the analog input signal and a signal represented by said first set of conversion bits, a second converter stage comprising a clock generation circuit arranged for receiving the first completion signal and for generating a clock signal, a plurality of comparators each being configured for receiving the residual analog output signal and a common reference voltage, said plurality of comparators arranged for being activated by the clock signal and for outputting a plurality of comparator decisions, a digital processing stage configured for receiving the plurality of comparator decisions and for generating a second set of conversion bits, means for generating the digital representation of the analog input signal by combining the first and second set of conversion bits.

    摘要翻译: 描述了用于接收模拟输入信号并输出​​所述模拟输入信号的数字表示的模拟(A / D)转换器电路。 A / D转换器电路包括:第一转换器级,被配置为接收模拟输入信号并产生第一组转换位,第一完成信号和表示模拟输入信号与信号之间的差的残留模拟输出信号 由所述第一组转换位表示的第二转换器级,包括布置成用于接收第一完成信号并用于产生时钟信号的时钟产生电路,多个比较器被配置为用于接收残留模拟输出信号和公共参考 电压,所述多个比较器被布置成被时钟信号激活并用于输出多个比较器判定;数字处理级,被配置用于接收多个比较器判决并用于产生第二组转换位,用于产生数字 通过组合第一个a来表示模拟输入信号 第二组转换位。

    Voltage Controlled Oscillator (VCO) With Simultaneous Switching Of Frequency Band, Oscillation Core And Varactor Size
    2.
    发明申请
    Voltage Controlled Oscillator (VCO) With Simultaneous Switching Of Frequency Band, Oscillation Core And Varactor Size 有权
    压控振荡器(VCO)同时切换频带,振荡核心和变容二极管尺寸

    公开(公告)号:US20090015343A1

    公开(公告)日:2009-01-15

    申请号:US11995658

    申请日:2006-06-23

    IPC分类号: H03B5/12

    摘要: The invention relates to a voltage controlled oscillator for generating a variable frequency. The oscillator comprises an oscillator core and a transconductive portion for compensating current losses in the oscillator core. The oscillator core comprises an inductive portion with at least one inductive element and a capacitive portion whose capacitance can be continuously varied by means of a control voltage for varying said frequency. The capacitive portion comprises multiple variable capacitive elements whose capacitance is continuously variable by means of said control voltage, each variable capacitive element being switchable for being added to or removed from the capacitive portion.

    摘要翻译: 本发明涉及一种用于产生可变频率的压控振荡器。 振荡器包括用于补偿振荡器芯中的电流损耗的振荡器芯和导电部分。 振荡器芯包括具有至少一个感应元件的电感部分和电容部分,其电容可以通过用于改变所述频率的控制电压连续变化。 电容部分包括多个可变电容元件,其电容通过所述控制电压可连续变化,每个可变电容元件可切换以加入或从电容部分移除。

    Device and method for generating a signal with predefined transcient at start-up
    3.
    发明申请
    Device and method for generating a signal with predefined transcient at start-up 有权
    用于在启动时用预定义的过程生成信号的装置和方法

    公开(公告)号:US20080111639A1

    公开(公告)日:2008-05-15

    申请号:US11976776

    申请日:2007-10-29

    IPC分类号: H03K3/03 H04B7/00

    CPC分类号: H03K3/0322

    摘要: A device and a method are presented for generating an intermitted oscillating signal comprising a plurality of oscillating portions separated from each other in time. The device and method are suited for communication systems, in particular for Ultra-Wide Bandwidth (UWB) applications. The device comprises a variable oscillator for generating the oscillating portions; switching circuitry for switching on/switching off the variable oscillator at the beginning/end of each oscillating portion; and circuitry for setting initial conditions in the variable oscillator to impose a predefined transient and a characterizing frequency upon each start-up.

    摘要翻译: 提出了一种用于产生包括在时间上彼此分离的多个振荡部分的中断振荡信号的装置和方法。 该装置和方法适用于通信系统,特别适用于超宽带(UWB)应用。 该装置包括用于产生振荡部​​分的可变振荡器; 用于在每个振荡部分的开始/结束处接通/关闭可变振荡器的开关电路; 以及用于设置可变振荡器中的初始条件以在每次启动时施加预定义的瞬态和表征频率的电路。

    Electrical device comprising analog frequency conversion circuitry and method for deriving characteristics thereof
    4.
    发明授权
    Electrical device comprising analog frequency conversion circuitry and method for deriving characteristics thereof 有权
    电气设备包括模拟频率转换电路和用于导出其特性的方法

    公开(公告)号:US07336931B2

    公开(公告)日:2008-02-26

    申请号:US10885049

    申请日:2004-07-06

    申请人: Jan Craninckx

    发明人: Jan Craninckx

    IPC分类号: H04B1/40

    摘要: An electrical device comprises analog conversion circuitry having an input and an output. The electrical device is essentially provided for converting a first input signal within a first frequency range applied to the input to a first output signal within a second frequency range different from the first frequency range at the output. The electrical device further comprises a signal adding means for adding at least a portion of the first output signal as second input signal to the first input signal. The analog conversion circuitry is also capable of converting the second input signal, which is within the second frequency range, back to the first frequency range. Additionally, a characteristic deriving means is provided for deriving at least one characteristic of the electrical device from the frequency converted second input signal, which appears at the output of the analog conversion circuitry.

    摘要翻译: 电气设备包括具有输入和输出的模拟转换电路。 电气设备基本上被设置用于将施加到输入端的第一频率范围内的第一输入信号转换成与输出端的第一频率范围不同的第二频率范围内的第一输出信号。 电气设备还包括信号添加装置,用于将第一输出信号的至少一部分作为第二输入信号添加到第一输入信号。 模拟转换电路还能够将处于第二频率范围内的第二输入信号转换回第一频率范围。 此外,提供了一种特征导出装置,用于从出现在模拟转换电路的输出端的频率转换的第二输入信号中导出电气装置的至少一个特性。

    Harmonic image-reject converter
    5.
    发明授权
    Harmonic image-reject converter 失效
    谐波图像拒绝转换器

    公开(公告)号:US07302248B2

    公开(公告)日:2007-11-27

    申请号:US11018766

    申请日:2004-12-20

    申请人: Jan Craninckx

    发明人: Jan Craninckx

    IPC分类号: H04B1/26

    摘要: A signal generator for generating signals that are spaced π/X rad apart, where X is an integer. The signal generator includes at least one delay cell with a delay that approximately corresponds to a phase shift π/X rad for a given signal. The signal generator also includes at least one phase detection system receiving at least two signals with a phase difference of approximately π/2 rad with respect to one another from said at least one delay cell and generating a feedback signal that is communicated to the at least one delay cell to adjust the phase relationship of the at least two signals. Such signal generators are used in radio frequency up-converters or down-converters.

    摘要翻译: 一个信号发生器,用于产生间隔pi / Xrad的信号,其中X是一个整数。 信号发生器包括至少一个延迟单元,延迟单元近似对应给定信号的相移pi / Xrad。 信号发生器还包括至少一个相位检测系统,从至少一个延迟单元接收相对于彼此具有近似π/ 2rad的相位差的至少两个信号,并产生一个至少传达到该信号的反馈信号 一个延迟单元,用于调整至少两个信号的相位关系。 这种信号发生器用于射频上变频器或下变频器。

    Stochastic Analog-to-Digital (A/D) Converter And Method For Using The Same
    6.
    发明申请
    Stochastic Analog-to-Digital (A/D) Converter And Method For Using The Same 有权
    随机模数(A / D)转换器及其使用方法

    公开(公告)号:US20130015988A1

    公开(公告)日:2013-01-17

    申请号:US13192056

    申请日:2011-07-27

    IPC分类号: H03M1/34 H03M1/12

    摘要: An analog-to-digital (A/D) converter circuit arranged for receiving an analog input signal and for outputting a digital representation of said analog input signal is described. The A/D converter circuit includes: a first converter stage configured for receiving the analog input signal and for generating a first set of conversion bits, a first completion signal and a residual analog output signal representing the difference between the analog input signal and a signal represented by said first set of conversion bits, a second converter stage comprising a clock generation circuit arranged for receiving the first completion signal and for generating a clock signal, a plurality of comparators each being configured for receiving the residual analog output signal and a common reference voltage, said plurality of comparators arranged for being activated by the clock signal and for outputting a plurality of comparator decisions, a digital processing stage configured for receiving the plurality of comparator decisions and for generating a second set of conversion bits, means for generating the digital representation of the analog input signal by combining the first and second set of conversion bits.

    摘要翻译: 描述了用于接收模拟输入信号并输出​​所述模拟输入信号的数字表示的模拟(A / D)转换器电路。 A / D转换器电路包括:第一转换器级,被配置为接收模拟输入信号并产生第一组转换位,第一完成信号和表示模拟输入信号与信号之间的差的残留模拟输出信号 由所述第一组转换位表示的第二转换器级,包括布置成用于接收第一完成信号并用于产生时钟信号的时钟产生电路,多个比较器被配置为用于接收残留模拟输出信号和公共参考 电压,所述多个比较器被布置成被时钟信号激活并用于输出多个比较器判定;数字处理级,被配置用于接收多个比较器判决并用于产生第二组转换位,用于产生数字 通过组合第一个a来表示模拟输入信号 第二组转换位。

    Wireless Transmitters
    7.
    发明申请
    Wireless Transmitters 有权
    无线发射机

    公开(公告)号:US20120063496A1

    公开(公告)日:2012-03-15

    申请号:US13230614

    申请日:2011-09-12

    IPC分类号: H04L25/08 H04B1/40

    摘要: Transmitter circuits for generating baseband signals having low receiver-band noise are disclosed. In one embodiment, the transmitter circuit comprises an active filtering-and-amplifying component comprising a first input configured to receive a first input signal, and a first output configured to output a first output signal. The transmitter circuit further comprises a passive filtering component comprising a second input connected to the first output and configured to receive the first output signal, a passive pole arrangement comprising a number of switchable resistance elements and a capacitance element connected across the plurality of switchable resistance elements, and a second output configured to output a second output signal having reduced noise as compared to the first output signal. The transmitter still further comprises a number of feedback loops connecting the passive filtering component to the first input.

    摘要翻译: 公开了用于产生具有低接收机频带噪声的基带信号的发射机电路。 在一个实施例中,发射机电路包括有源滤波和放大组件,其包括被配置为接收第一输入信号的第一输入和被配置为输出第一输出信号的第一输出。 发射机电路还包括无源滤波部件,该无源滤波部件包括连接到第一输出并被配置为接收第一输出信号的第二输入端,包括多个可切换电阻元件的无源极配置和跨越多个可切换电阻元件连接的电容元件 以及第二输出,被配置为输出与第一输出信号相比具有降低的噪声的第二输出信号。 发射机还包括将无源滤波组件连接到第一输入端的多个反馈回路。

    Electrical device comprising analog frequency conversion circuitry and method for delivering characteristics thereof
    8.
    发明申请
    Electrical device comprising analog frequency conversion circuitry and method for delivering characteristics thereof 有权
    电气设备包括模拟频率转换电路和用于传送其特性的方法

    公开(公告)号:US20090004975A1

    公开(公告)日:2009-01-01

    申请号:US11979084

    申请日:2007-10-30

    申请人: Jan Craninckx

    发明人: Jan Craninckx

    IPC分类号: H04B1/40

    摘要: An electrical device comprises analog conversion circuitry having an input and an output. The electrical device is essentially provided for converting a first input signal within a first frequency range applied to the input to a first output signal within a second frequency range different from the first frequency range at the output. The electrical device further comprises a signal adding means for adding at least a portion of the first output signal as second input signal to the first input signal. The analog conversion circuitry is also capable of converting the second input signal, which is within the second frequency range, back to the first frequency range. Additionally, a characteristic deriving means is provided for deriving at least one characteristic of the electrical device from the frequency converted second input signal, which appears at the output of the analog conversion circuitry.

    摘要翻译: 电气设备包括具有输入和输出的模拟转换电路。 电气设备基本上被设置用于将施加到输入端的第一频率范围内的第一输入信号转换成与输出端的第一频率范围不同的第二频率范围内的第一输出信号。 电气设备还包括信号添加装置,用于将第一输出信号的至少一部分作为第二输入信号添加到第一输入信号。 模拟转换电路还能够将处于第二频率范围内的第二输入信号转换回第一频率范围。 此外,提供了一种特征导出装置,用于从出现在模拟转换电路的输出端的频率转换的第二输入信号中导出电气装置的至少一个特性。

    Voltage controlled oscillator (VCO) with simultaneous switching of frequency band, oscillation core and varactor size
    9.
    发明授权
    Voltage controlled oscillator (VCO) with simultaneous switching of frequency band, oscillation core and varactor size 有权
    压控振荡器(VCO),同时切换频段,振荡核心和变容二极管大小

    公开(公告)号:US08120440B2

    公开(公告)日:2012-02-21

    申请号:US11995658

    申请日:2006-06-23

    IPC分类号: H03B1/00

    摘要: The invention relates to a voltage controlled oscillator for generating a variable frequency. The oscillator comprises an oscillator core and a transconductive portion for compensating current losses in the oscillator core. The oscillator core comprises an inductive portion with at least one inductive element and a capacitive portion whose capacitance can be continuously varied by means of a control voltage for varying said frequency. The capacitive portion comprises multiple variable capacitive elements whose capacitance is continuously variable by means of said control voltage, each variable capacitive element being switchable for being added to or removed from the capacitive portion.

    摘要翻译: 本发明涉及一种用于产生可变频率的压控振荡器。 振荡器包括用于补偿振荡器芯中的电流损耗的振荡器芯和导电部分。 振荡器芯包括具有至少一个感应元件的电感部分和电容部分,其电容可以通过用于改变所述频率的控制电压连续变化。 电容部分包括多个可变电容元件,其电容通过所述控制电压可连续变化,每个可变电容元件可切换以加入或从电容部分移除。

    Charge domain successive approximation analog-to-digital converter
    10.
    发明授权
    Charge domain successive approximation analog-to-digital converter 有权
    电荷域逐次逼近模数转换器

    公开(公告)号:US07961131B2

    公开(公告)日:2011-06-14

    申请号:US12373884

    申请日:2007-07-04

    申请人: Jan Craninckx

    发明人: Jan Craninckx

    IPC分类号: H03M1/12

    摘要: An analog to digital conversion circuit and method is presented. The analog to digital circuit (100) comprises a first capacitor (103), arranged for being switchably (102) connected on one side to an input voltage (101), at least one successive approximation circuit (104), a comparator (108) arranged for outputting a sign indicative of the difference between the voltage on the first capacitor (103) and a comparison voltage (109), and a control block (110), arranged for converting said comparator's output into steering signals and in a digital output signal. The successive approximation circuit comprises a second capacitive structure (106), switchably connected to a pre-charge circuit (107) arranged for pre-charging the second capacitive structure (106), whereby the second capacitive structure (106) is connected in parallel with the first capacitor (103) via a charge copying circuit (105). The steering signals comprise of a signal for steering (112) said charge copying circuit (105) and for steering (113) the pre-charge circuit (107).

    摘要翻译: 提出了一种模数转换电路和方法。 模拟数字电路(100)包括:第一电容器(103),被布置为可转换地(102)一侧连接到输入电压(101),至少一个逐次逼近电路(104),比较器(108) 被布置成输出表示第一电容器(103)上的电压与比较电压(109)之间的差的符号;以及控制块(110),被配置为将所述比较器的输出转换为转向信号和数字输出信号 。 逐次逼近电路包括第二电容结构(106),可切换地连接到布置用于预充电第二电容结构(106)的预充电电路(107),由此第二电容结构(106)与 经由充电复制电路(105)的第一电容器(103)。 转向信号包括用于转向(112)所述充电复制电路(105)和用于转向(113)预充电电路(107)的信号。