5 papers
ALS-U AR RF Equipment Protection System
Najm Us Saqib, Christopher Toy, Qiang Du +5
This paper presents the design and status of Accumulator Ring (AR) RF Equipment Protection System (EPS) of Advanced Light Source Upgrade project at LBNL. The key components of AR R…
RFSoC Based LLRF System Design at ALS
Qiang Du, Shreeharshini Murthy, Victoria Moore +5
The Advanced Light Source (ALS) at LBNL is upgrading several LLRF systems for its Linac and Sub-Harmonic Bunchers, where it is desired to have a unified LLRF system design to suppo…
Obvious and non-obvious aspects of digital Self-Excited-Loops for SRF cavity control
Larry Doolittle, Shreeharshini Murthy, Matei Guran +3
In 1978, Delayen showed how Self-Excited Loops (SEL) can be used to great advantage for controlling narrow-band SRF cavities. Its key capability is establishing closed-loop amplitu…
Comparative Evaluation of Xilinx RFSoC Platform for Low-Level RF Systems
Shreeharshini Dharanesh Murthy, Victoria Moore, Qiang Du +5
The rapid advancement of Radio Frequency System-onChip (RFSoC) technology from Xilinx (AMD) has enabled the integration of high-speed data converters and programmable logic within…
Digital Low-Level RF system for the Linac Electronics Modernization Plan at LCLS
Nashat Sawai, Jorge Diaz Cruz, Andy Benwell +4
The LCLS began operations in 2009, utilizing SLAC's normal-conducting (NC) LINAC, which features control equipment dating back to the 1960s and 1980s. The Linac Electronics Moderni…