A 2.4 GHz Wireless Transmitter Front-End for Endoscopy Capsule System

被引：0
|
作者：
Chen, Fan [1 ]
Chi, Baoyong [1 ]
Wang, Zhihua [1 ]
机构：
[1] Tsinghua Univ, Inst Microelect, Beijing 100084, Peoples R China
来源：
2009 IEEE 8TH INTERNATIONAL CONFERENCE ON ASIC, VOLS 1 AND 2, PROCEEDINGS | 2009年
关键词：
CMOS; Transmitter; ASK; FSK;
D O I：
10.1109/ASICON.2009.5351340
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A 2.4 GHz wireless transmitter front-end for the endoscopy capsule system is presented. The transmitter front-end consists of an IF module (ASK modulator, FSK modulator) and a direct-conversion transmitter RF front-end (double-balanced up-converter, power amplifier). The power amplifier (PA) has digitally programmable output power levels and works at 3.3V power supply, while other parts work at 1.8V power supply. The transmitter front-end is implemented in UMC 0.18um CMOS process. Its maximum out power to 50 Omega load achieves 10 dBm with the data rate of 2Mbps and dissipates 7.09mA current from 1.8V power supply and 25mA from 3.3V power supply(1).
引用
收藏
页码：465 / 468
页数：4
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