Application of Phase Lock Loop in Superconducting RF Technology

CHANG Wei; HE Yuan; LI Chunlong; GAO Zheng; ZHU zhenglong; XUE Zongheng; SONG Yukun; ZHANG Rui

doi:10.11804/NuclPhysRev.31.02.152

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Article Navigation > Nuclear Physics Review > 2014 > 31(2): 152-155

CHANG Wei, HE Yuan, LI Chunlong, GAO Zheng, ZHU zhenglong, XUE Zongheng, SONG Yukun, ZHANG Rui. Application of Phase Lock Loop in Superconducting RF Technology[J]. Nuclear Physics Review, 2014, 31(2): 152-155. doi: 10.11804/NuclPhysRev.31.02.152

Citation:

CHANG Wei, HE Yuan, LI Chunlong, GAO Zheng, ZHU zhenglong, XUE Zongheng, SONG Yukun, ZHANG Rui. Application of Phase Lock Loop in Superconducting RF Technology[J]. Nuclear Physics Review, 2014, 31(2): 152-155. doi: 10.11804/NuclPhysRev.31.02.152

Application of Phase Lock Loop in Superconducting RF Technology

doi: 10.11804/NuclPhysRev.31.02.152

Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2014-06-20

Abstract

The main issue of this paper is to introduce the application of phase lock loop (PLL) in superconducting RF technology. The voltage-controlled oscillator phase lock loop (VCO-PLL) can be used for locking the eigen frequency of the superconducting cavity. It can keep superconducting cavity resonant stably. In thispaper, the principle of the cavity locking by the VCO-PLL is verified by a simulation, which is done by using NI-Labview software. The simulation result shows that the different gain of the PLL system can impact the locking situation of the whole system. In the test stage, the locking test plant is set up and passed validation. Finally, at the low temperature test stage, the frequency of the IMP-HWR010 superconducting cavity is locked by the test plant. The frequency change with helium pressure of the cavity is about 0.73 Hz/Pa.
- Superconducting Radio Frequency,
- Phase Lock Loop,
- Labview
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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Application of Phase Lock Loop in Superconducting RF Technology

doi: 10.11804/NuclPhysRev.31.02.152

Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2014-06-20

Key words:

Abstract: The main issue of this paper is to introduce the application of phase lock loop (PLL) in superconducting RF technology. The voltage-controlled oscillator phase lock loop (VCO-PLL) can be used for locking the eigen frequency of the superconducting cavity. It can keep superconducting cavity resonant stably. In thispaper, the principle of the cavity locking by the VCO-PLL is verified by a simulation, which is done by using NI-Labview software. The simulation result shows that the different gain of the PLL system can impact the locking situation of the whole system. In the test stage, the locking test plant is set up and passed validation. Finally, at the low temperature test stage, the frequency of the IMP-HWR010 superconducting cavity is locked by the test plant. The frequency change with helium pressure of the cavity is about 0.73 Hz/Pa.

Citation: