| Paper |
Title |
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| TUPOW035 |
First LLRF Tests of BERLinPro Gun Cavity Prototype |
1831 |
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- P. Echevarria, J. Knobloch, O. Kugeler, A. Neumann, A. Ushakov
HZB, Berlin, Germany
- K.P. Przygoda
DESY, Hamburg, Germany
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The goal of Berlin Energy Recovery Linac Project (BERLinPro) is the generation of a 50 MeV, 100-mA low emittance (below 1 mm mrad) CW electron beam at 2 ps rms bunch duration or below. Three different types of 1.3 GHz SRF modules will be employed: the electron gun, the booster and the main linac. Precise RF amplitude and phase control are needed due to the beam recovery pro-cess. In this paper we describe the first tests of the Low Level RF control of the first injector prototype at the HoBiCaT facility, implemented in the digital VME-based LLRF controller developed by Cornell University. Tuner movement control by an mTCA.4 system, together with further plans of using this technology will be also presented.
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| DOI • |
reference for this paper
※ DOI:10.18429/JACoW-IPAC2016-TUPOW035
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| THOAA03 |
MicroTCA.4 based Single Cavity Regulation including Piezo Controls |
3152 |
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- K.P. Przygoda, H. Schlarb, Ch. Schmidt
DESY, Hamburg, Germany
- P. Echevarria
HZB, Berlin, Germany
- R. Rybaniec
Warsaw University of Technology, Institute of Electronic Systems, Warsaw, Poland
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We want to summarize the single cavity regulation with MTCA.4 electronics. Presented solution is based on the one MTCA.4 crate integrating both RF field control and piezo tuner control systems. The RF field control electronics consists of RTM for cavity probes sensing and high voltage power source driving, AMC for fast data processing and digital feedback operation. The piezo control system has been setup with high voltage RTM Piezo driver and low cost AMC based FMC carrier. The communication between both control systems is performed using low latency link over the AMC backplane with data throughput up to the 3.125 Gbps. First results from CW operation of the RF field controller and the cavity active resonance control with the piezo tuners are demonstrated and briefly discussed.
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Slides THOAA03 [2.693 MB]
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| DOI • |
reference for this paper
※ DOI:10.18429/JACoW-IPAC2016-THOAA03
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| WEPOR060 |
MTCA.4-based Beam Line Stabilization Application |
2808 |
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- K.P. Przygoda
TUL-DMCS, Łódź, Poland
- C. Gerth, H. Schlarb, B. Steffen
DESY, Hamburg, Germany
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We want to summarize the beam line stabilization application with MTCA.4 electronics. Presented solution is based on the compact 2U MTCA.4 crate integrating sensor and actuator cards. The optical beam position sensor is based on quadrupole SI PIN photodiode connected to low cost AMC based FMC carrier equipped with ADC card. The optical beam position correction is done using picomotorized stages equipped with active piezo elements and high voltage RTM piezo driver. The data processing and digital feedback units are implemented using Spartan 6 FPGA. The control algorithm has been optimized for low latency and high precision computations. The control electronics performance has been tested using single beam line test stand consisted of commercial laser diode drivers, supported optics and motorized stages. The first results are demonstrated and future possible applications are briefly discussed.
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| DOI • |
reference for this paper
※ DOI:10.18429/JACoW-IPAC2016-WEPOR060
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