Compact electronically tunable quadrature oscillator using single voltage differencing gain amplifier (VDGA) and all grounded passive elements

被引：9

作者：

Channumsin, Orapin ^{[1
]}

Tangsrirat, Worapong ^{[2
]}

机构：

[1] Rajamangala Univ Technol Isan, Fac Engn, Khon Kaen Campus, Khon Kaen, Thailand

[2] KMITL, Fac Engn, Bangkok, Thailand

来源：

TURKISH JOURNAL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCES | 2017年 / 25卷 / 04期

关键词：

Voltage differencing gain amplifier (VDGA); quadrature oscillator; electronically tunable; transconductor; voltage-mode circuits;

D O I：

10.3906/elk-1607-11

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

This work deals with the design of a compact electronically tunable sinusoidal quadrature oscillator. The proposed quadrature oscillator is designed with a single voltage differencing gain amplifier (VDGA) and all the three grounded passive elements. Its oscillation condition and oscillation frequency can be tuned independently by means of the VDGA transconductance gains. The proposed oscillator also provides the explicit quadrature voltage outputs of almost equal magnitude and low active and passive sensitivity figures. The performance of the oscillator has been demonstrated by PSPICE simulations based on TSMC 0.35-mu m CMOS technology.

引用

页码：2686 / 2695

页数：10

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