Title :
A low power power sensor for optical communication
Author :
Hung-Yang Shih ; Hen-Wei Tsao
Author_Institution :
Grad. Instn. of Electron. Eng., Nat. Taiwan Univ., Taipei, Taiwan
Abstract :
A power sensor operating at low dc power with cyclic logarithmic amplifier is proposed in this paper. The input signal passes RC low pass filter firstly, and then feeds to a cyclic logarithmic amplifier to have linear-in-dB output. DC offset and flicker noise are eliminated by using a chopper. It is fabricated by TSMC 0.18 um 1P6M CMOS process. For DC current input, the dynamic range is 31-dB, with ± 1.1 dB linearity. It consumes only 1.73 mW.
Keywords :
CMOS integrated circuits; amplifiers; flicker noise; low-pass filters; optical communication; 1P6M CMOS process; DC current input; DC offset; RC low pass filter; TSMC; cyclic logarithmic amplifier; dc power; flicker noise; linear-in-dB output; low power power sensor; optical communication; power 1.73 mW; chopper; cyclic logarithmic amplifier; limiting amplifier; low power; power sensor;
Conference_Titel :
Microwave Conference Proceedings (APMC), 2013 Asia-Pacific
Conference_Location :
Seoul
DOI :
10.1109/APMC.2013.6695172
