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The study of I-Q signal generation using complex filter based DS D/A modulator for communication application

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Title: The study of I-Q signal generation using complex filter based DS D/A modulator for communication application

Authors: S. N. Mohyar, S. A. Z. Murad, M. N. M. Isa, R. C. Ismail, M. Murakami, C. Li, H. Kobayashi

Journal: ARPN Journal of Engineering and Applied Sciences

HEC Recognition History
Category From To
Y 2023-07-01 2024-09-30
Y 2022-07-01 2023-06-30
Y 2021-07-01 2022-06-30
X 2020-07-01 2021-06-30

Publisher: Khyber Medical College, Peshawar

Country: Pakistan

Year: 2016

Volume: 11

Issue: 14

Language: English

Categories
Electrical Engineering (5972) Signal Processing (1285) Digital-to-Analog Converters (1) Modulators (3) Communication Systems (32)

Abstract

This paper describes the study of application of a complex band pass ??D/A modulator as Quadrature (I-Q) signal generation in communication system for communication Integrated Circuit (IC) testing as well as transmitter. The study shows that the complex bandpass??D/A modulator is superior compared to two real-bandpass??D/A modulators regarding to noise-shaping characteristics. Hence, the trade-off between bandwidth and sampling speed is better for the complex bandpass??D/A modulator. This study also presents the theoretical analysis and simulation results of its extension and complex multi-bandpass modulator characteristics from the result.

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