A fast frequency-switching synthesizer with an integration circuit

被引：4
|
作者：
Nosaka, H [1 ]
Nakagawa, T
Yamagishi, A
机构：
[1] NTT, Wireless Syst Labs, Yokosuka, Kanagawa 2390847, Japan
[2] STE Telecommun Engn Co Ltd, Tokyo 1000011, Japan
[3] NTT, Syst Elect Labs, Atsugi, Kanagawa 2430122, Japan
来源：
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 1998年 / 46卷 / 12期
关键词：
delta-sigma modulation; frequency synthesizers; jitter elimination; low-power consumption; spread-spectrum communication;
D O I：
10.1109/22.739202
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 new type of direct frequency synthesizer, which can complete frequency switching in less than a microsecond, is proposed. This yields low-spurious outputs by using a low-power analog integration circuit, whose operating principle is similar to a digital accumulator. Experimental results demonstrate successful frequency synthesizer operation.
引用
收藏
页码：2233 / 2239
页数：7
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