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Libera Digit 500
The Libera Digit 500 is a state-of-the-art beam current monitor readout and processing unit that supports three main applications:
- Pulse autodetection and characterization – typically coupled with current transformer detectors (ICTs)
- Synchrotoron fill pattern monitors with bunch-by-bunch resolution and N-turn averaging.
- Resonant cavity beam current monitor: turn-key solution with Bergoz (CR-BCM)
In parallel, with a 500 MHz sampling rate, RF reference locking, low noise and wide dynamic range, it also serves as a powerful starting platform for a general-purpose 4-channel digitzer to which various tailored solutions can be added or functionalities extended. This way, users domain knowledge is combined with our expertise of high-performance instrument design and turning raw signals into meaninful data.
Product Description
Papers
Testimonials
Datasheet
References
Benefits:
- Support for 3 different beam current monitoring applications
- High-performance starting platform for user-custom general purpose digitizer solutions
- 500 MS/s 14-bit ADCs, low noise, high dynamic range
- 4 channels, AC coupled and DC coupled versions
- Seamless control system integration: EPICS, Tango, Python, Matlab, LabVIEW
Data Processing:
There are three main beam current monitoring applications:
- Pulse auto-detection and characterization
- threshold detection
- pulse energy, peak, avg and sum measurement
- typically coupled with current transformer detectors (ICTs).
- Fill pattern monitors:
- input: signal from a sum of 4 BPM pickups
- bunch-by-bunch resolution and N-turns averaging
- Resonant cavity beam current monitor:
- turn-key solution with Bergoz (CR-CDS)
- DDC processing: tuning to REF frequency and IQ demodulation for precise amplitude calculation.
- High-performance general-purpose digitizer:
- combining users domain knowledge with our instrument design expertise, turning measured raw signals into meaningful data
- powerful starting-point platform for adding tailored features or extending functionalities.
- 4 channels, 500 MHz 14 bit ADCs, RF reference PLL, 1 kHz trigger, 4 SFP ports for fast data streaming, AC and DC coupled versions
- configurable buffers segmentation, different acquisition modes and seamless control system integration
- Expertise in modifications on FPGA, software and hardware, with optional source code collaboration.
Performances:
The dynamic range of the system is over 90 dB.
Libera Digit 500 Capabilities
| Variant | DC | AC |
| General product code | L5001.00D | L5001.00A |
| Channel number | 4 | 4 |
| Sampling frequency [MS/s] | 500 | 500 |
| Resolution [bit] | 14 | 14 |
| BW | DC-250 MHz | 1Mhz - 2 GHz |
| Coupling | 50 Ω | 50 Ω |
| Max input | 1 V/10 dBm | 1 V/10 dBm |
| Input again / attenuation | 0-31 dB | 0-31 dB |
| Triggering frequency [Hz] | 3.3 V TTL LEMO | 3.3 V TTL LEMO |
| Max trigger frequency [Hz] | 500 (can be extended up to 1000) | 500 (can be extended up to 1000) |
| Reference clock | Yes | Yes |
| FPGA | Xilinx Zynq 7035 | Xilinx Zynq 7035 |
| PoE | No | No |
| Access interfaces | SSH/Tango/Epics/HTTP/T elnet/Python/Matlab/LabView | SSH/Tango/Epics/HTTP/T elnet/Python/Matlab/LabView |
| Available extensions (SW to be developed by the user) | - DAI1 module - SFP connectors | - DAI1 module - SFP connectors |
| Max acquisition length [samples] | 500 M | 500 M |
| Dimensions | H: 2 U, W: 19" (rack mountable), D: 236 mm | H: 2 U, W: 19" (rack mountable), D: 236 mm |
Libera Digit 500 functionalities
| Pulse processing module: pulse area calculation, pulse width calculation, root square sum, and integral sum |
| SFP connectors: four optional small pluggable slots (SFP) which can be used for fast data |
| Digital phase shifters to fine-tune the phase differences between the input channels |
| Digital Downconverter module: allows extraction of the amplitude and frequency of a specific signal component |
| Bunch Charge Calculation module: allows the calculation of the bunch charge over several turns in electron synchrotrons |
Contact us
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Libera Digit 500 is used at the following labs:
- CAEP – China Academy of Engineering Physics (CAEP), China
- CSNS – Institute of High Energy Physics (IHEP), China
- DARESwissFEL – Paul Schrerrer Institute (PSI), Switzerland
- Diamond Light Source – Diamond Light Source, United Kingdom
- ELETTRA – Sincrotrone Trieste , Italy
- Eli Beamlines – Extreme Light Infrastructure (ELI), Chzech Republic
- ESRF – The European Synchrotron Radiation Facility (ESRF), France
- HUST – Huazhong University of Science & Technology, China
- J-PARC – The High Energy Accelerator Research Organization-KEK, Japan
- Kaeri – Korea Atomic Energy Research Institute (KAERI), South Korea
- NICA – Joint institute for nuclear research (JINR), Russia
- PLS II – Pohang Accelerator Laboratory (PAL), South Korea
- SSRF – Shanghai Synchrotron Radiation Facility (SINAP), China
- Synchrotron Soleil – Synchrotron SOLEIL, France
- TPS – National Synchrotron Radiation Research Center (NSRRC), Taiwan
