3.4-mW Common-Gate and Current-Reused UWB LNA

被引：0
|
作者：
Lee, Ji-Young [1 ]
Park, Hyun-Kyu [1 ]
Chang, Ho-Jun [1 ]
Yun, Tae-Yeoul [1 ]
机构：
[1] Hanyang Univ, Div Elect & Comp Engn, Seoul 133791, South Korea
来源：
2012 IEEE 12TH TOPICAL MEETING ON SILICON MONOLITHIC INTEGRATED CIRCUITS IN RF SYSTEMS (SIRF) | 2012年
关键词：
common-gate; current-reused; LNA; low power; UWB; LOW-NOISE AMPLIFIER; BAND; CASCODE;
D O I：
暂无
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 common-gate (CG) low-noise amplifier using the current-reused technique is proposed for both ultra-wideband and low-power consumption. The CG amplifier, employed at the input stage, enables wide-band input matching with low transconductance and the frequency-independent noise figure (NF), compared to the common-source amplifier. The current-reused technique is adopted in order to reduce the power dissipation while achieving a reasonable power gain. Furthermore, the shunt and series peaking technique is adopted for a wide bandwidth. The proposed LNA obtains a 3-dB bandwidth from 2.4 to 11.2 GHz, a maximum power gain of 14.8 dB, a minimum NF of 3.9 dB, and an IIP3 of -11.5 dBm while consuming 3.4 mW from a 1.5 V supply. A 0.18-mu m CMOS process is utilized for the fabrication.
引用
收藏
页码：33 / 36
页数：4
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