A digital signal processing type frequency locked loop for frequency shift keying demodulation

被引：1

作者：

Obote, S ^{[1
]}

Sumi, Y

Syoubu, K

Itoh, Y

Fukui, Y

机构：

[1] Tottori Univ, Fac Engn, Tottori 6808552, Japan

[2] Tottori SANYO Elect Co Ltd, Tottori 6808634, Japan

来源：

INTERNATIONAL JOURNAL OF ELECTRONICS | 1999年 / 86卷 / 11期

关键词：

D O I：

10.1080/002072199132662

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：

In this paper, we propose a digital signal processing type frequency locked loop (DSP-FLL) using a frequency difference detector (FDD). Since the DSP-FLL is controlled by the frequency, the pole of the voltage controlled oscillator vanishes in the baseband equivalent circuit. Therefore, the transfer function becomes first order and a ringing does not occur. Furthermore, it can be understood from the detection property of the FDD that a cycle slip does not occur and the DSP-FLL can pull in the frequency step input up to half of the sampling frequency.

引用

页码：1377 / 1384

页数：8

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