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Journals / Uludağ Üniversitesi Mühendislik Fakültesi Dergisi / 2019 / Cilt: 24 - Sayı: 2

A New Third Order Quadrature Oscillator Design

ÜÇÜNCÜ DERECEDEN YENİ BİR QUADRATURE OSİLATÖR TASARIMI

İhsan KARACAN
Ahmet GÖKÇEN
Pages
217–228
Publication Date
2019-08-30
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The proposed circuit power consumption is 4,83mW.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:In this work, a third-order quadrature oscillator circuit is presented by using an inverting current feedback operational amplifier (ICFOA), an active element that has attracted considerable attention in recent years.
📊
Key Findings & Data:The workability of the circuit is verified by PSPICE simulation program and it is seen that the simulation results verify the theory and the proposed circuit has good performance.
💡
Conclusion & Impact:The proposed circuit power consumption is 4,83mW.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Analog Tümdevreler · Quadrature osilatör · Terslenmiş Akım Geri Beslemeli İşlemsel Yükselteç

Abstract

In this work, a third-order quadrature oscillator circuit is presented by using an inverting current feedback operational amplifier (ICFOA), an active element that has attracted considerable attention in recent years. The topology consists of two ICFOA, three capacitors and three resistors by connecting a voltage mode second-order low-pass filter and a voltage-mode integrator with a cascaded closed loop. The workability of the circuit is verified by PSPICE simulation program and it is seen that the simulation results verify the theory and the proposed circuit has good performance. The theoretical cut-off frequency is 3,979MHz and the cut-off frequency measured after the simulation is 3,933MHz. In the simulation, 0,35 μm MOSIS parameter set and ICFOA CMOS structure are used. The proposed circuit power consumption is 4,83mW.

Özet

Bu çalışmada, son zamanlarda oldukça fazla dikkat çeken bir aktif eleman olan Terslenmiş Akım Geri Beslemeli İşlemsel Yükselteç (ICFOA) kullanılarak üçüncü dereceden quadrature osilatör devresi sunulmuştur. Topoloji iki adet ICFOA, üç adet kapasitör ve üç adet direnç olmak üzere gerilim modlu ikinci dereceden alçak geçiren filtre ve gerilim modlu integratör yapısının kaskat bağlanıp kapalı çevrim oluşturması ile elde edilmiştir. Sunulan devrenin çalışabilirliği PSPICE benzetim programı ile denenmiş ve teorik sonuçlar ile örtüştüğü görülmüştür. Teorik kesim frekansı 3,979MHz ve benzetim sonucu ölçülen kesim frekansı ise 3,933MHz’dir. Benzetimde 0,35 μm MOSIS parametre seti ve ICFOA CMOS yapısı kullanılmıştır. Önerilen devrenin güç tüketimi 4,83mW’dır.

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Cite This Article

KARACAN, İ., GÖKÇEN, A. (2019). A New Third Order Quadrature Oscillator Design. Uludağ Üniversitesi Mühendislik Fakültesi Dergisi, Cilt: 24 - Sayı: 2, 217–228. https://ajindex.com/articles/708726

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