Integrated power measurement circuit for RF power amplifiers

被引：2
|
作者：
Pollanen, O [1 ]
Jarvinen, E [1 ]
机构：
[1] Nokia Mobile Phones, FIN-00045 Helsinki, Finland
来源：
RAWCON2000: 2000 IEEE RADIO AND WIRELESS CONFERENCE, PROCEEDINGS | 2000年
关键词：
D O I：
10.1109/RAWCON.2000.881898
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 RF power measurement circuit, which operates on the same chip with an integrated RF power amplifier, is presented. The circuit is capable of measuring load variation dependent output power changes. Full integration saves the PCB area needed for the line coupler used in conventional power detection methods: The circuit was realised using GaAs MMIC technology and rested on a standard FR4 test board at 900 MHz. The circuit detects RF power in a range of 35 dB with a sensitivity of 0.8 V/W: showing good agreement with the simulations.
引用
收藏
页码：235 / 238
页数：4
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