Design and evaluation of a downconverter based on MicroTCA.4

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Nan Gan, Rong Liu, Xin-Peng Ma and Yun-Long Chi. Design and evaluation of a downconverter based on MicroTCA.4[J]. Chinese Physics C, 2016, 40(7): 077004. doi: 10.1088/1674-1137/40/7/077004
Nan Gan, Rong Liu, Xin-Peng Ma and Yun-Long Chi. Design and evaluation of a downconverter based on MicroTCA.4[J]. Chinese Physics C, 2016, 40(7): 077004.  doi: 10.1088/1674-1137/40/7/077004 shu
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Received: 2015-12-07
Revised: 2016-02-23
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Design and evaluation of a downconverter based on MicroTCA.4

    Corresponding author: Nan Gan,

Abstract: Modern low-level RF (LLRF) control systems of particle accelerators are designed to achieve extremely precise field amplitude and phase regulation inside the accelerating cavities. The RF field signal is usually converted to an intermediate frequency (IF) before being sampled by ADC. As the down-conversion is an important procedure of digital signal processing in LLRF system, designing a high performance and broad band downconverter compatible with various accelerators is important. In this paper, the design of a downconverter based on MicroTCA and its performance evaluation on different frequency points are presented. The major design objective of this module is a wider operating frequency range and more flexibility in application.

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