Design of a Low-Noise UWB Transceiver SiP

Ultrawideband (UWB) wireless communication systems are emerging as a promising solution for high-data-rate and short-distance wireless data transmission. In this article, we introduce a low-noise UWB transceiver SiP design for a compact implementation in a small mobile platform. The SiP's transmitter chip has a fully digital circuit implementation with a passive band-pass filter to meet a US Federal Communications Commission (FCC) regulation, and the receiver chip has a noncoherent architecture. To reduce noise generation and coupling in the densely integrated design, we considered signal integrity issues in the high-frequency channel and power integrity issues on the power distribution network (PDN) in the SiP substrate. Circuit-level and full-wave simulations confirm that the proposed design methodology improves signal integrity and power integrity. The UWB transceiver SiP consists of a fully digital transmitter system and a noncoherent receiver system.

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