A Novel Approach for Design of Receiver front end for Radars

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ISSN: 2349-6002 ESTD Year: 2014

UGC approved journal no 47859

A Novel Approach for Design of Receiver front end for Radars
Author(s):
D.Likhith Reddy, S.V. Subba Rao
Keywords:
Receiver Design; Aerospace Applications; Analog to Digital Converter; Software Defined Radio [21]; Direct RF Sampling
Abstract
Development of a versatile multipurpose receiver system has become essential to meet the requirements of radars and communication systems in aerospace and defense. The existing systems are specific to an application or a system. In order to avoid designing a receiver for each application, it is worth designing a versatile configuration so that the receiver can be realized with minor changes for each requirement. Therefore, in this paper different possible receiver configurations are discussed based on the literature survey. A brief review on three different configurations of the communication receivers is presented. The main focus is made on the front-end system of the receiver. The configuration without RF-IF down converter is found to be more advantageous. Accordingly, simulations are carried out by introducing a suitable filter in C band at 5.8 GHz. The simulation results have confirmed the feasibility of development of a versatile receiver by suitably tuning the front end.
Article Details
Unique Paper ID: 150605 Publication Volume & Issue: Volume 7, Issue 8 Page(s): 257 - 263
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