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    • 10. 发明申请
    • CONTINUOUS-TIME QUANTIZATION DEVICE, RADIO FREQUENCY SIGNAL RECEIVER COMPRISING SUCH A DEVICE AND CONTINUOUS-TIME QUANTIZATION METHOD
    • 连续定时装置,包含这种装置的无线电频率信号接收机和连续时间量化方法
    • WO2015049466A3
    • 2015-06-11
    • PCT/FR2014052495
    • 2014-10-02
    • COMMISSARIAT L ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES
    • LACHARTRE DAVID
    • H03M3/02H03M1/12H03M1/48
    • H03M3/424H03M1/125H03M1/48H03M3/412H03M3/464H04B1/16
    • This device (10) for quantizing an analog input signal (Vin), in order to supply a continuous-time output signal (Bs, Benv) quantized using a plurality of bits, comprises an electronic sign analysis circuit (12), designed to supply a first signal (Bs) representative of a first sign bit of the output signal. It further comprises an electronic envelope analysis circuit (16), comprising a comparator/quantizer (18) with two inputs, one of which receives the analog input signal (Vin), designed to supply a second signal (Benv) representative of at least a second bit of the output signal, called the quantized envelope signal, and a feedback loop (20, 22) with continuous-time digital-to-analog conversion of the quantized envelope signal (Benv), disposed between the output and the other of the two inputs of the comparator/quantizer (18). The quantized envelope signal (Benv) is a signal of which a low pass filtering is representative of the amplitude of an envelope signal (Venv) of the input signal and the feedback loop (20, 22) comprises a low pass filter (22).
    • 用于量化模拟输入信号(Vin)的装置(10),用于提供使用多个位量化的连续时间输出信号(Bs,Benv),包括电子标志分析电路(12),其被设计为提供 表示输出信号的第一符号位的第一信号(Bs)。 它还包括电子包络分析电路(16),其包括具有两个输入的比较器/量化器(18),其中一个输入端接收模拟输入信号(Vin),被设计成提供代表至少一个 输出信号的第二位,称为量化包络信号,以及设置在量化包络信号(Benv)的输出和另一个之间的连续数字 - 模拟转换的反馈环路(20,22) 比较器/量化器(18)的两个输入端。 量化包络信号(Benv)是低通滤波代表输入信号的包络信号(Venv)的振幅的信号,反馈环路(20,22)包括低通滤波器(22)。