Tools for Discovery CAEN solutions for Diamond Detectors June 24 th 2011, Viareggio Giuliano Mini.
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Transcript of Tools for Discovery CAEN solutions for Diamond Detectors June 24 th 2011, Viareggio Giuliano Mini.
Tools for Discovery
CAEN solutions for Diamond Detectors
June 24th 2011, ViareggioGiuliano Mini
Reproduction, transfer, distribution of part or all of the contents in this document in any form without prior written permission of CAEN S.p.A. is prohibited Reproduction, transfer, distribution of part or all of the contents in this document in any form without prior written permission of CAEN S.p.A. is prohibited
Diamond Detectors & their read out
Diamond Detectors require challenging read out electronics:
• High Gain
• High Analogue Bandwidth
• High Sampling Rate
Wideband Amplifier
(Very) Fast Digitizers
Reproduction, transfer, distribution of part or all of the contents in this document in any form without prior written permission of CAEN S.p.A. is prohibited Reproduction, transfer, distribution of part or all of the contents in this document in any form without prior written permission of CAEN S.p.A. is prohibited
Wideband Amplifier
A1423:
1.6 GHz bandwith (-3 dB)
Positive or negative input signals
Gain range: from +15 dB to +50 dB
Input and output impedance 50 Ω, SWR <1.5:1
Noise Figure: 5dB @ 1GHz
Up to 500 V (positive or negative) detector bias voltage
Possibility to mount an Embedded Fast Discriminator (under test)
Reproduction, transfer, distribution of part or all of the contents in this document in any form without prior written permission of CAEN S.p.A. is prohibited Reproduction, transfer, distribution of part or all of the contents in this document in any form without prior written permission of CAEN S.p.A. is prohibited
Fast Digitizers (I)
x751 family:
8/4/2 channels depending on Form Factorand Sampling Rate
1/2 GSps
10 bit
500 MHz bandwidth (-3db)
Memory buffer up to 14.5MS/s per channel
Reproduction, transfer, distribution of part or all of the contents in this document in any form without prior written permission of CAEN S.p.A. is prohibited Reproduction, transfer, distribution of part or all of the contents in this document in any form without prior written permission of CAEN S.p.A. is prohibited
Fast Digitizers (II)
x761 family:
2/1 channels depending on Form Factor
4 GSps
10 bit
>850 MHz bandwidth (-3db)
Memory buffer up to 57.6MS/s per channel
Reproduction, transfer, distribution of part or all of the contents in this document in any form without prior written permission of CAEN S.p.A. is prohibited Reproduction, transfer, distribution of part or all of the contents in this document in any form without prior written permission of CAEN S.p.A. is prohibited
Fast Digitizers (III)
x742 family:
32/16 +2 channels depending on Form Factor
Up to 5 GSps
12 bit
600 MHz bandwidth (-3db)
1024 samples per event
Memory buffer up to 1024 events per channel
Reproduction, transfer, distribution of part or all of the contents in this document in any form without prior written permission of CAEN S.p.A. is prohibited
Diamond
Syncrotron NIM Trigger(100 ns, -800mV, 50 Hz)
Neutron Beam Bunch spread 50
nsEn> 6 MeV
Wideband AmplifierGain x4, PoliMi
DT5751
ch1 ch0
RT~2 nsWidth~10 ns
Reproduction, transfer, distribution of part or all of the contents in this document in any form without prior written permission of CAEN S.p.A. is prohibited
An example of application (I)
Digital ToF Measurements of Fast Neutrons in a Spallation Neutron Source
(ROTAX beamline at ISIS, M. Tardocchi, Milano Bicocca )
DBA-III
Reproduction, transfer, distribution of part or all of the contents in this document in any form without prior written permission of CAEN S.p.A. is prohibited Reproduction, transfer, distribution of part or all of the contents in this document in any form without prior written permission of CAEN S.p.A. is prohibited
An example of application (II)
Reproduction, transfer, distribution of part or all of the contents in this document in any form without prior written permission of CAEN S.p.A. is prohibited Reproduction, transfer, distribution of part or all of the contents in this document in any form without prior written permission of CAEN S.p.A. is prohibited
An example of application (III)
• Time difference between trigger signal and max of detector pulse is stored with the max value
•In figure is shown a typical ToF spectrum where the two peaks correspond to the two bunches of neutrons generated by the machine.