GHz band frequency hopping PLL-based frequency synthesizers

被引：0
|
作者：
Yong Xu
Zhi-gong Wang
Yu Guan
Zhi-jun Xu
Lu-feng Qiao
机构：
[1] The PLA University of Science and Technology,Institute of PF
[2] Southeast University,& OE
来源：
Optoelectronics Letters | 2005年 / 1卷 / 3期
关键词：
TN713; A;
D O I：
10.1007/BF03033836
中图分类号：
学科分类号：
摘要：
In this paper we describe a full-integrated circuit containing all building blocks of a completed PLL-based synthesizer except for low pass filter (LPF). The frequency synthesizer is designed for a frequency hopping (FH) transceiver operating up to 1.5 GHz as a local oscillator. The architecture of Voltage Controlled Oscillator (VCO) is optimized to get better performance, and a phase noise of −111.85-dBc/Hz @ 1 MHz and a tuning range of 250 MHz are gained at a centre frequency of 1.35 GHz. A novel Dual-Modulus Prescaler (DMP) is designed to achieve a very low jitter and a lower power. The settling time of PLL is 80 μs while the reference frequency is 400 KHz.
引用
收藏
页码：179 / 181
页数：2
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