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Photon

Photon beam position monitor electronics

Additional photos

Photon

Comparison chart with Libera Photon (existing and new)



 

 

 

Libera Photon (2010)

Libera Photon (2016

 

Performance specifications

Longterm stability (±0.5° C)

20 nm

RMS at ~10 S/s (I > 1 µA)

< 10 nm

 

Platform specifications

Input channels

4

Input current range

±1.85 mA

Operating System

Embedded Linux

Linux in Zynq

FPGA

Xilinx Virtex2

Zynq-7020

CPU

ARM

ARM Cortex-A9 dual core

A/D converters

300 kHz, 24-bit / channel

2.5 MHz, 18-bit / channel

BIAS voltage source

Internal

External only

External BIAS voltage source

To sensor only

To instrument

 

Data signals

Raw ADC data

1024 samples

1 Million samples

Data at turn-by-turn data rate

No

Yes*

Data at ~10 kS/s data rate

Yes

Configurable IIR & decimation

Data at ~10 S/s data rate

Yes

Fast Data stream output

SFP

UDP over RJ-45

 

Signal processing

Calibration factors and offsets

Yes

Yes

Dark current compensation

Yes

Yes (manual)

ID gap change compensation

Yes

Yes (manual)

Automatic Range Control

Yes

No (manual only)

 

Timing and synchronization

Timestamping

Yes

Trigger delay

Yes

MC synchronization

Yes

 

Machine Protection System

Postmortem

Yes

Yes

Interlock

Yes

No

 



Supplementary products

Convert the signal from single ended to differential LVPECL.
SDC

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