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Emil Hjalmarsson

Rolf Sundblad

Robert Hägglund

Staffan Holmbring

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.

Cognitive signal converter

A time-interleaved analog-to-digital converter for conversion of an analog input signal to a digital output signal having a sample rate R comprises an array of N constituent analog-to-digital converters that operate based on an analog-to-digital converter operation clock to provide the digital output signal, N sample-and-hold units connected to the input of a respective constituent analog-to-digital converter that operate based on a respective one of M of timing signals, wherein no timing signal is used to clock two or more of the sample-and-hold units, one or more digital output processing units that provide a sample of the digital output of a constituent analog-to-digital converter as a sample of the digital output signal based on the respective one of the M timing signals, and a timing circuit that generates the analog-to-digital converter operation clock signal, each timing signal having a period of M/R, wherein M is less or equal to N.

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Linköping, Sweden

Emil Hjalmarsson