Tools for Discovery CAEN solutions for Diamond Detectors June 24 th 2011, Viareggio Giuliano 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 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 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: 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 Fast Digitizers (I) x751 family :  8/4/2 channels depending on Form Factor and 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 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 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 ns E n > 6 MeV Wideband Amplifier Gain x4, PoliMi DT5751 ch1ch0 RT~2 ns Width~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 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 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.