The Ultra-high Performance and Wide-Band Frequency Synthesizer Design Based on Low-Frequency and Narrow-Band

WANG Li-fei; ZHANG Ning; YANG Yi-sheng; TANG Li-ping

doi:10.3969/j.issn.0372-2112.2017.10.014

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The Ultra-high Performance and Wide-Band Frequency Synthesizer Design Based on Low-Frequency and Narrow-Band

更新时间：2025-07-16

- The Ultra-high Performance and Wide-Band Frequency Synthesizer Design Based on Low-Frequency and Narrow-Band
- Acta Electronica Sinica Vol. 45, Issue 10, Pages: 2409-2415(2017)
- 作者机构：
  
  1. 中国电子科技集团公司第四十一研究所,山东,青岛,266555
  2. 电子测试技术重点实验室,山东,青岛,266555
- 作者简介：
- 基金信息：
  
  Fund for State Key Laboratory of Electronic Test Technology (No.9140C120201130C12050)
- DOI：10.3969/j.issn.0372-2112.2017.10.014
  CLC： TN911
- Published Online：25 October 2017，
  
  Published：2017
- 稿件说明：
移动端阅览
WANG Li-fei, ZHANG Ning, YANG Yi-sheng, et al. The Ultra-high Performance and Wide-Band Frequency Synthesizer Design Based on Low-Frequency and Narrow-Band[J]. Acta Electronica Sinica, 2017, 45(10): 2409-2415.
DOI：

WANG Li-fei, ZHANG Ning, YANG Yi-sheng, et al. The Ultra-high Performance and Wide-Band Frequency Synthesizer Design Based on Low-Frequency and Narrow-Band[J]. Acta Electronica Sinica, 2017, 45(10): 2409-2415. DOI： 10.3969/j.issn.0372-2112.2017.10.014.

摘要

随着测试仪器的发展，高频段信号的应用越来越多，因此对高频信号测试系统的性能要求也不断提高.本文在基于高性能的低频窄带合成源的基础上，提出一种通用的超高性能高频宽带合成源设计方案.本方案采用分频锁相和混频锁相组成的双环锁相模式，在分频锁相模式下，信号进行快速锁定，实现宽频段内信号的大幅度切换；在混频锁相模式下，通过引入不同频段的窄带信号与VCO的反馈信号进行混频鉴相获得超高性能的宽带信号，最终实现宽带高频信号的稳定输出.

Abstract

With the fast development of testing instruments

the application of high frequency signal is becoming more and more

the testing system performance requirements are also getting higher and higher.Based the high-performance low-frequency and narrow-band synthesizer

an ultra-high performance and wide-band frequency synthesizer scheme is introduced.The scheme uses dual-loop PLL which contain fractional-N PLL and frequency-mixed PLL.The fast phase-locked which use the fractional-N PLL

achieves the large amplitude switching in the wideband.In the frequency-mixed PLL

it obtains ultra-high performance and wide-band frequency synthesizer through mixing narrowband signals in different frequency bands and the feedback signal of VCO.The stability and wide-band high frequency signal is realized finally.

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