Detector Readout Systems
MMR Multiplexed Readout is a platform for multiplexed readout of large arrays of silicon detectors, MWPCs or other charge generating particle detectors. It consist of a master board, which performs time multiplexing, analogue to digital conversion, data storage and triggered data transmission via optical link to a central data collector module. The board provides a local clock, which is synchronised by the VME master to a central time with a precision of about 30 ps rms.
Hardware features
- Modular Setup
- miniaturised detector front ends optical Link
- Up to 128 channels per front end
- Large data buffer on front end
- Amplifier, filter and digitization on front end
- Self triggering
- Possible ranges:
- 500 keV to some GeV (1 GeV = 45 pC)
- Noise <3 keV FWHM for 0 pF input cap.
- Front end synchronisation to a central clock
- time stamping in front end, down to 30 ps resolution
- absolute time stamping allows to buffer the data at the front end without loss of timing information
- Easy to handle Optical POF fiber bus
- Only standard lab tools required to assemble the fibers
- Inexpensive twin fibers available
- Fast 200 Mbit front end bus
- Up to 50 m with POF fibers
- Works with a single +6.0 V to +8.0 V supply
- Easy galvanic separation of front end
Stacked boards for 128 channels
60 x 140 x 20 mm³
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