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In this paper, we have synthesized the WO3 button rose-like morphology directly grown on glass substrate using NaOH as an etching agent by hydrothermal method at 100°C. The formation of the WO3 button rose and its structural, optical, surface morphological and electrical properties were studied by various characterization techniques. The button rose-like morphology and orthorhombic crystal structure...
This paper focuses on a new single-phase AC-DC buck converter which has ability to operate with wide line voltage range at near unity power factor. This converter is composed of two controllable power switches and fast switching diodes. This converter is operated at constant switching frequency with variable duty cycle, using a very simple control scheme in voltage follower mode. Neither an analog...
Balanced Binary Tree Decomposition(BBTD) based FFT/IFFT processor is proposed for WI-MAX(IEEE 802.16e standard). BBTD algorithm is used for implementation purpose. It uses very few multipliers compared to conventional pipeline based design using Radix-2 Method. Hence this approach gives very good throughput yet highly area efficient design. BBTD algorithm reduces complex multiplier by 33% and twiddle...
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