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@inproceedings{liu:ipac2021-tupab296, author = {W. Liu and L.R. Doolittle and D.S. Doran and D. Filippetto and G. Ha and D. Li and S. Paiagua and P. Piot and J.G. Power and C. Serrano and J.H. Shao and V.K. Vytla and C. Whiteford and E.E. Wisniewski}, % author = {W. Liu and L.R. Doolittle and D.S. Doran and D. Filippetto and G. Ha and D. Li and others}, % author = {W. Liu and others}, title = {{LLRF Upgrade at the Argonne Wakefield Accelerator Test Facility}}, booktitle = {Proc. IPAC'21}, pages = {2176--2177}, eid = {TUPAB296}, language = {english}, keywords = {LLRF, laser, controls, klystron, pick-up}, venue = {Campinas, SP, Brazil}, series = {International Particle Accelerator Conference}, number = {12}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {08}, year = {2021}, issn = {2673-5490}, isbn = {978-3-95450-214-1}, doi = {10.18429/JACoW-IPAC2021-TUPAB296}, url = {https://jacow.org/ipac2021/papers/tupab296.pdf}, note = {https://doi.org/10.18429/JACoW-IPAC2021-TUPAB296}, abstract = {{The Argonne Wakefiled Accelerator (AWA) Test Facility designed and operated a homemade LLRF system for the last 20 years. It is based on NI-PXI products that has now become obsolete. The AWA’s LLRF cannot keep up with the increasing stability demands of AWA’s upgraded facility. An overhaul of the system is strongly desired. With the support from DOE-HEP, the AWA is collaborating with Lawrence Berkeley National Laboratory (LBNL)to upgrade its LLRF system with modern instrumentation to meet the growing stability demands. An overview of AWA’s current LLRF system performance is presented together with the upgrade plan and expectations.}}, }