IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Online ISSN : 1745-1337
Print ISSN : 0916-8508
Regular Section
ROM-Less Phase to Amplitude Converter Using Sine Wave Approximation Based on Harmonic Removal from Trapezoid Wave
Hiroomi HIKAWA
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Keywords: direct digital frequency synthesizer, phase to amplitude converter, sine approximation, FPGA
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2011 Volume E94.A Issue 7 Pages 1581-1584

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Abstract

This paper proposes a new sine wave approximation method for the PAC of DDFS. Sine wave is approximated by removing the harmonic components from trapezoid waveform. Experimental results show that the proposed PAC is advantageous in the SFDR range less than 60dBc due to its small hardware cost.

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© 2011 The Institute of Electronics, Information and Communication Engineers
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