A differential low-noise amplifier for ask receiver

Author

Ma, He-liang ; Chen, Lei ; Zhang, Run-xi ; Chen, Zi-yan ; Lai, Zong-sheng

Author_Institution

Inst. of Microelectron. Circuit & Syst., East China Normal Univ., Shanghai, China

fYear

2008

fDate

20-23 Oct. 2008

Firstpage

1508

Lastpage

1511

Abstract

A differential low noise amplifier applied in ASK receiver is designed and fabricated in UMC 0.18 Â¿m CMOS process. The amplifier employs a differential cascode structure with source degeneration stage for single input and differential output, and avoids using balun when connected to mixer. This low noise amplifier has a measured forward gain of 18.2 dB and a noise figure of only 1.65 dB, thus can significantly improves entire receiver performance. Input and output matching is -28 dB and -24 dB, respectively, while input third-order intercept point (IIP3) is -9.8 dBm. The total power dissipation is 6.5 mW at 1.8 V supply and the die area is 0.6 mm Ã— 0.9 mm.

Keywords

amplitude shift keying; low noise amplifiers; ASK receiver; CMOS process; balun; differential cascode structure; differential low noise amplifier; gain 18.2 dB; noise figure 1.65 dB; power 6.5 mW; size 0.18 mum; source degeneration stage; voltage 1.8 V; Amplitude shift keying; CMOS process; Differential amplifiers; Gain measurement; Impedance matching; Low-noise amplifiers; Noise figure; Noise measurement; Performance gain; Power dissipation; CMOS; Gain; LNA; Noise figure;

fLanguage

English

Publisher

ieee

Conference_Titel

Solid-State and Integrated-Circuit Technology, 2008. ICSICT 2008. 9th International Conference on

Conference_Location

Beijing

Print_ISBN

978-1-4244-2185-5

Electronic_ISBN

978-1-4244-2186-2

Type

conf

DOI

10.1109/ICSICT.2008.4734833

Filename

4734833