公开(公告)号：US09602123B2

公开(公告)日：2017-03-21

申请号：US15107568

申请日：2014-12-03

Applicant: Anacatum Design AB ,  Fingerprint Cards AB

Inventor： Rolf Sundblad ,  Staffan Holmbring ,  Robert Hägglund ,  Emil Hjalmarsson

IPC: H03M1/00 ,  H03M1/12 ,  H03M1/10 ,  H03M1/38 ,  H03M1/46 ,  H03M1/06

CPC classification number: H03M1/1245 ,  H03M1/0624 ,  H03M1/1009 ,  H03M1/1265 ,  H03M1/38 ,  H03M1/46

Abstract: A cognitive signal converter adapted to produce a digital output signal based on an analog input signal comprises an analog-to-digital converter (ADC) and a cognitive network. The ADC is adapted to produce a digital converted signal based on the analog input signal, a sample clock signal and a process clock signal by sampling the analog input signal in accordance with the sample clock signal and quantizing each analog input signal sample based on the process clock signal. The cognitive network is adapted to receive the digital converted signal of the ADC, control at least one of the sample clock signal and the process clock signal based on the received digital converted signal and one or more characteristics of the analog signal source, and produce the digital output signal based on the received digital converted signal. Corresponding integrated circuit, electronic device and method are also disclosed.

公开(公告)号：US09350374B2

公开(公告)日：2016-05-24

申请号：US14771835

申请日：2014-03-07

Applicant: Anacatum Design AB

Inventor： Rolf Sundblad ,  Robert Hägglund ,  Staffan Holmbring

IPC: H03M1/00 ,  H03M1/12 ,  G02F7/00

CPC classification number: H03M1/1215 ,  G02F7/00 ,  H03M1/00 ,  H03M1/004 ,  H03M1/12 ,  H03M1/1225 ,  H03M1/123

Abstract: A time-interleaved analog-to-digital converter for conversion of L analog input signals to L corresponding digital output signals comprises an array of N (N>L) constituent analog-to-digital converters each having an analog input and a digital output and each adapted to digitize an analog input sample, and a controller adapted to (for each of the L analog input signals indexed by i=1, 2, . . . , L) select a number Ni, of constituent analog-to-digital converters from the array of N constituent analog-to-digital converters (wherein Ni≧1 and Σi=1L Ni≦N), and cause each sample of the analog input signal to be digitized in a respective one of the selected Ni, constituent analog-to-digital converters. The analog-to-digital converter also comprises a multiplexer adapted to (for each of the L analog input signals) multiplex the digitized samples of each of the selected Ni constituent analog-to-digital converters to produce the digital output signal.

Abstract translation: 用于将L个模拟输入信号转换为L个相应的数字输出信号的时间交织的模拟 - 数字转换器包括N（N> L）个组成模数转换器的阵列，每个具有模拟输入和数字输出， 每个适于数字化模拟输入样本，以及适于（对于由i = 1,2，...，L索引的L个模拟输入信号中的每一个）的控制器，选择一个数量为Ni的组成模数转换器 从N个构成模数转换器（其中Ni≥1和＆Sgr; i = 1L Ni＆nlE; N）的阵列中，将模拟输入信号的每个采样数据化为所选择的Ni， 模数转换器。 模数转换器还包括适于（对于每个L个模拟输入信号）的多路复用多个所选择的Ni构成模数转换器中的每一个的数字化采样以产生数字输出信号的多路复用器。