A 120 pJ/bit ΔΣ-Based 2.4-GHz Transmitter Using FIR-Embedded Digital Power Amplifier.

Yanshu Guo,Hanjun Jiang,Heng Liu,Zhaoyang Weng,Woogeun Rhee,Chun Zhang,Zhihua Wang

IEEE Transactions on Circuits and Systems II: Express Briefs（2018）

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摘要

An energy efficient ΔΣ-based transmitter using the digital power amplifier (DPA) with the embedded FIR filtering is proposed in this brief. Compared to the conventional ΔΣ-based transmitters, the proposed architecture has the advantage of low power consumption with the DPA serving as the mixer, filter, and RF amplifier simultaneously. The embedded FIR filter provides improved suppression on the ou...

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关键词

Transmitters,Finite impulse response filters,Quantization (signal),Phase locked loops,Modulation,Energy efficiency

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