基于混合信号矩阵乘法电路的基带RF通信信号盲源分离
Blind source separation of baseband RF communication signals using mixed-signal matrix multiplication circuit
摘要：
针对基带射频信号的盲源分离应用，提出了一种基于64路混合电容电阻乘法数模转换器的8 × 8混合信号矩阵乘法器结构，该结构采用65 nm CMOS工艺实现。该集成电路对每个矩阵权重具有13位分辨率，并实现了> 62 dB的实测动态范围，带宽> 15 MHz，每个矩阵行的典型功耗< 30 mW。单频信号分离优于57 dBc。
英文摘要：
An 8 x 8 mixed-signal matrix multiplier architecture based on 64 hybrid capacitor-resistor multiplying digital to analogue converters implemented in a 65 nm CMOS technology was developed for the application of blind source separation of baseband RF signals. The integrated circuit has 13-bit resolution for each matrix weight and achieves a measured dynamic range of > 62 dB with a bandwidth of > 15 MHz and typical power dissipation of < 30 mW per matrix row. Separation of single-tone signal is measured to be better than 57 dBc.
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