A 2.4-GHz Low Power Polar Transmitter for Wireless Body Area Network Applications

被引：0

作者：

Kopta, Vladimir ^{[1
]}

Pengg, Franz ^{[1
]}

Le Roux, Erwan ^{[1
]}

Enz, Christian ^{[1
]}

机构：

[1] Ctr Suisse Elect & Microtech SA, Neuchatel, Switzerland

来源：

2013 IEEE 11TH INTERNATIONAL NEW CIRCUITS AND SYSTEMS CONFERENCE (NEWCAS) | 2013年

关键词：

WBAN; polar amplifier; low power; dynamic biasing; AMPLIFIER;

D O I：

暂无

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

A 2.4-GHz low power polar transmitter architecture is proposed in this paper. A dynamic biasing circuit, controlled by a digital envelope signal, is used to linearize the input-output characteristic of the overdriven class-C power amplifier. A model of the transmitter is presented and used for initial assessment of the achievable performance in terms of efficiency and linearity. The transmitter is designed in a 65 nm CMOS technology. The transistor-level simulations indicate that the transmitter successfully meets the requirements of the IEEE 802.15.6 standard for wireless body area networks. The simulated amplifier consumes 5 mA from a 1.2 V supply while delivering 1.8 dBm of output power with a peak efficiency of 26.5%.

引用

页数：4

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