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DESIGN AND ANALYSIS OF LOW NOISE AMPLIFIER FOR 2.47 GHZ, BUILD FOR WIRELESS LAN AND WI-FI (802.11G PROTOCOL)


Author(s):

MAYUR KISHOR MOHOD , P.R.PATIL COLLAGE OF ENGINEERING AND TECHNOLOGY; Mr. V.B.Padole, P.R.PATIL COET,AMRAVATI

Keywords:

VLSI, LNA Function, ADS Tool

Abstract:

The LNA function, play an important role in the receiver designs. Its main function is to amplify extremely low signals without adding noise, thus preserving the required Signal-to-Noise Ratio (SNR) of the system at extremely low power levels. Amplification is one of the most basic and prevalent RF circuit functions in modern RF and microwave systems. Microwave transistor amplifiers are rugged, low cost, and reliable and can easily be integrated in both hybrid and monolithic integrated circuitry. To amplify the received signal in a RF system, a low noise amplifier (LNA) is required. The goal of this is to design an LNA with lowest noise figure possible, with gain as high as possible for the given FET and information. An amplifier is designed for the purpose on increasing level of voltage, current or power. The amount of this increase is known as gain on amplifier. First stage of a receiver is typically a low noise amplifier (LNA), whose main function is to provide enough gain to overcome the noise of subsequent stages. Aside from providing this gain while adding as little noise as possible, an LNA should accommodate large signal without distortion and frequently must also prevent specific impedance, such as 50Ω, to the input source. CMOS amplifier will implement in 90 nm CMOS technology using ADS tool operating on wireless and Wi-fi Application. This ADS tool gives the advantages in the designing of LNA.


Other Details:

Manuscript Id :IJSTEV1I4010
Published in :Volume : 1, Issue : 4
Publication Date: 01/11/2014
Page(s): 9-14
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