NDLI: A 2.4GHz low power wireless transceiver analog front-end for endoscopy capsule system

Content Provider	IEEE Xplore Digital Library
Author	Baoyong Chi Jinke Yao Shuguang Han Xiang Xie Guolin Li Zhihua Wang
Copyright Year	2006
Description	Author affiliation: Inst. of Microelectron., Tsinghua Univ., Beijing (Baoyong Chi)
Abstract	This work presents the design and implementation of a 2.4GHz low power wireless transceiver analog front-end for the endoscopy capsule system in 0.25mum CMOS process. The prototype integrates a low-IF receiver analog front-end (low noise amplifier, double balanced down-converter, band-pass filtered AGC loop and ASK detector) and a direct up-conversion transmitter analog front-end (20MHz IF PLL with well defined amplitude control circuit, ASK modulator, up-converter and output buffer) on a single chip together with an internal RF local oscillator and LO buffers. Design trade-offs have been made over the boundaries of the different building blocks to optimize the overall system performance. All building blocks feature circuit topologies that enable comfortable operation at low power consumption. As a result, the IC operates from a power supply of 2.5 V, while only consuming 15mW in receiver (RX) mode and 14mW in transmitter (TX) mode
Sponsorship	The Inst. of Electr. and Electron. Eng., Inc. Circuits and Syst. Soc. (IEEE CASS)
Starting Page	4
Ending Page	4910
File Size	4631771
Page Count	4907
File Format	PDF
ISBN	0780393899
DOI	10.1109/ISCAS.2006.1693731
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-05-21
Publisher Place	Greece
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Transceivers Endoscopes Amplitude shift keying Transmitters CMOS process Prototypes Circuit noise Noise level Low-noise amplifiers Radiofrequency amplifiers
Content Type	Text
Resource Type	Article

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