基于cccii的四相电流型正弦正交振荡器

Q3 Engineering

Engineering and Applied Science Research Pub Date : 2013-05-15 DOI:10.5481/KKUENJ.2013.40.1.13

Saksit Summart, C. Thongsopa

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引用次数: 0

摘要

本文提出了一种基于CCCII的电流型四相正交振荡器，其振荡条件(CO)和振荡频率(FO)均采用正交控制。该电路由3个cccii和2个接地电容器组成。该电路可产生4个相位差为90o的正弦输出电流端子。它还提供高输出阻抗，使电路无需额外的电流缓冲即可驱动负载。CO和FO可以通过调整偏置电流进行电子控制。所提出的电路仅使用接地电容器而不使用任何外部电阻，这从集成电路制造的角度来看是有益的。PSpice程序的仿真结果与理论分析相吻合。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Four phase current-mode sinusoidal quadrature oscillator based on CCCIIs

This article presents a current-mode four phase quadrature oscillator with orthogonal control for condition of oscillation (CO) and frequency of oscillation (FO) based on CCCII. The proposed circuit consists of 3 CCCIIs and 2 grounded capacitors. The proposed circuit can generate four sinusoidal output current terminals with 90o phase difference. It also provides high output impedances that make the circuit can drive load without additional current buffers. The CO and FO can be controlled electronically by adjusting the bias current. The proposed circuit uses only grounded capacitors without any external resistor which is beneficial from the point of view of integrated circuit fabrication. The simulation results by PSpice program are shown corresponding with the theoretical analysis.

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来源期刊

Engineering and Applied Science Research Engineering-Engineering (all)

CiteScore

2.10

自引率

0.00%

发文量

审稿时长

11 weeks

期刊介绍： Publication of the journal started in 1974. Its original name was “KKU Engineering Journal”. English and Thai manuscripts were accepted. The journal was originally aimed at publishing research that was conducted and implemented in the northeast of Thailand. It is regarded a national journal and has been indexed in the Thai-journal Citation Index (TCI) database since 2004. The journal now accepts only English language manuscripts and became open-access in 2015 to attract more international readers. It was renamed Engineering and Applied Science Research in 2017. The editorial team agreed to publish more international papers, therefore, the new journal title is more appropriate. The journal focuses on research in the field of engineering that not only presents highly original ideas and advanced technology, but also are practical applications of appropriate technology.