用于模拟带宽交织(ABI)的多个dac之间的数字信号分割

2016 IEEE International Conference on Electronics, Circuits and Systems (ICECS) Pub Date : 2016-12-01 DOI:10.1109/ICECS.2016.7841178

C. Schmidt, Vicky H. Tanzil, C. Kottke, R. Freund, V. Jungnickel

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引用次数: 12

摘要

为了克服数模转换器(dac)的带宽限制，最近提出了模拟带宽交错(ABI)的新概念，通过在频域交错多个dac的输出信号来克服数模转换器(dac)的带宽限制。我们首次提出了abi - dac的带宽、采样率、采样数和本振频率之间的基本相互依赖关系。在此基础上，给出了数字信号在多个dac之间分割的数学表达式。对示例ABI-DAC的仿真突出了系统参数之间的相互依赖性和整数解的困难。

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Digital signal splitting among multiple DACs for analog bandwidth interleaving (ABI)

A novel concept called analog bandwidth interleaving (ABI) has been recently introduced in order to overcome bandwidth limitations of digital-to-analog converters (DACs) by interleaving the output signals of multiple DACs in the frequency domain. We present for the first time the fundamental interdependencies between bandwidth, sample rate, the number of samples, and the local oscillator frequencies for ABI-DACs. Furthermore, a mathematical expression for the splitting of the digital signal among multiple DACs is presented. Simulations for an exemplary ABI-DAC highlight the interdependencies between the system parameters and difficulties concerning integer solutions.

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2016 IEEE International Conference on Electronics, Circuits and Systems (ICECS)

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