RF Design of The Temperature Compensation For The Quiescent Working Point of The Amplifier

DOI

10.2991/jiaet-18.2018.85How to use a DOI?

Keywords

power amplifier; bias circuit; temperature compensation

Abstract

The linearity and gain of RF power amplifier are greatly affected by the quiescent working point of the amplifier. In practice, the threshold opening voltage of the power amplifier changes with the temperature rise, which leads to the change of the quiescent working current, and which makes the linearity and gain deteriorate. In this paper, two kinds of temperature compensation circuits applied to the quiescent working point of power amplifier are presented. The temperature compensation of power amplifier is realized by using temperature sensor and operational amplifier, ensure that the power amplifier can maintain good linearity and gain at different temperature, and the circuit structure is simple and easy to debug.

Copyright

© 2018, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Zhiqi Piao
AU  - Yuemin Ning
AU  - Qi Wang
PY  - 2018/03
DA  - 2018/03
TI  - RF Design of The Temperature Compensation For The Quiescent Working Point of The Amplifier
BT  - Proceedings of the 2018 Joint International Advanced Engineering and Technology Research Conference (JIAET 2018)
PB  - Atlantis Press
SP  - 478
EP  - 481
SN  - 2352-5401
UR  - https://doi.org/10.2991/jiaet-18.2018.85
DO  - 10.2991/jiaet-18.2018.85
ID  - Piao2018/03
ER  -