A log-domain multiphase sinusoidal oscillator

被引：11
|
作者：
Psychalinos, C. [1 ,2 ]
Soulious, G. [1 ,3 ]
机构：
[1] Univ Patras, Dept Phys, Elect Lab, GR-26504 Rion, Greece
[2] Aristotle Univ Thessaloniki, Dept Phys, Elect Lab, GR-54006 Thessaloniki, Greece
[3] Ellemedia Technol Ltd, Athens, Greece
来源：
AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS | 2008年 / 62卷 / 08期
关键词：
analogue integrated circuits; companding circuits; log-domain circuits; sinusoidal oscillators; multiphase oscillators;
D O I：
10.1016/j.aeue.2007.07.009
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A novel multiphase sinusoidal oscillator topology, realized by employing the concept of loo-domain filtering, is introduced in this paper. The realization of the oscillator's topology is achieved by establishing a loop constructed from an inverting and non-invertin log-domain lossy integrators. Attractive benefits offered by the novel topology are the ability for independent electronic tuning of the condition of oscillation and the frequency of oscillation, and the ability for realizing both even- and odd-order oscillators without any manipulation of the basic configuration. The operation of the proposed oscillator has been verified through simulation results. (c) 2007 Elsevier GmbH. All rights reserved.
引用
收藏
页码：622 / 626
页数：5
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