Implementation of RF Narrow Band Frequency Synthesizer for LoRaWAN System

被引：0
作者：
Kim, Dong-Shik [1 ]
Yoon, Won-Sang [1 ]
Chai, Sang-Hoon [1 ]
机构：
[1] Hoseo Univ, Dept Elect Engn, Asan, South Korea
来源：
PROCEEDINGS INTERNATIONAL SOC DESIGN CONFERENCE 2017 (ISOCC 2017) | 2017年
关键词：
Narrowband; LoRaWAN; IoT; Frequency Synthesizer; PLL; Circuit Design;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
A narrowband frequency synthesizer has been designed and fabricated to generate two bands of 868MHz(Europe) and 915MHz(North America) with a same chip. It will be applied as the LoRaWAN system. Measurement results show that the frequency synthesizer has bandwidth of 1,670 similar to 1,972MHz(about 16.57% center frequency ratio), and low phase noise characteristics of -83.74dBc/Hz at 50 mu A charge pump output current and -86.81dBc/Hz at 300 mu A charge pump output current on 100KHz offset.
引用
收藏
页码：232 / 233
页数：2
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