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An Inductor-less Sub-mW Low Noise Amplifier for Wireless Sensor Network Applications |
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| Affiliation: | 1. Faculty of Electrical and Computer Engineering, University of Tabriz, Tabriz, Iran;2. Faculty of Electrical and Computer Engineering, Tarbiat Modares University, Tehran, Iran;1. School of Electronic Engineering, Xi''an University of Posts & Telecommunications, Xi''an 710121, China;2. China Mobile (Hangzhou) Information Technology Co. Ltd, Hangzhou, 311100, China;1. Young Researchers and Elite Club, Qazvin Branch, Islamic Azad University, Qazvin, Iran;2. Electrical Engineering Department, K.N. Toosi University of Technology (KNTU), Tehran, Iran |
| Abstract: | This paper presents a Sub-mW differential Common-Gate Low Noise Amplifier (CGLNA) for ZigBee standard. The circuit takes the advantage of shunt feedback and Dual Capacitive Cross Coupling (DCCC) to reduce power consumption and the bandwidth extension capacitors to support 2.4 GHz ISM band. An amplifier employing these techniques has been designed and simulated in 0.18 µm TSMC CMOS technology. The Simulation results show a gain of 18.2 dB, an IIP3 of −4.32 dBm and a noise figure of 3.38 dB at 2.4 GHz. The proposed LNA consumes only 967 µW from a 1-V supply. |
| Keywords: | Low Noise Amplifier (LNA) Inductor-less Shunt feedback Dual Capacitive Cross Coupling (DCCC) Wireless Sensor Network (WSN) |
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