FPGA implementation of digital down converter using CORDIC algorithm

Ashok Agarwal; Boppana Lakshmi

doi:10.1117/12.2012307

28 January 2013 FPGA implementation of digital down converter using CORDIC algorithm

Ashok Agarwal, Boppana Lakshmi

Proceedings Volume 8760, International Conference on Communication and Electronics System Design; 87601K (2013) https://doi.org/10.1117/12.2012307
Event: International Conference on Communication and Electronics System Design, 2013, Jaipur, India

Abstract

In radio receivers, Digital Down Converters (DDC) are used to translate the signal from Intermediate Frequency level to baseband. It also decimates the oversampled signal to a lower sample rate, eliminating the need of a high end digital signal processors. In this paper we have implemented architecture for DDC employing CORDIC algorithm, which down converts an IF signal of 70MHz (3G) to 200 KHz baseband GSM signal, with an SFDR greater than 100dB. The implemented architecture reduces the hardware resource requirements by 15 percent when compared with other architecture available in the literature due to elimination of explicit multipliers and a quadrature phase shifter for mixing.

Citation Download Citation

Ashok Agarwal and Boppana Lakshmi "FPGA implementation of digital down converter using CORDIC algorithm", Proc. SPIE 8760, International Conference on Communication and Electronics System Design, 87601K (28 January 2013); https://doi.org/10.1117/12.2012307

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available