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Lab-Test: Comparison of Time Digitizers

MCS6 MCS6 MCS6 MCS6 MCS6 MCS6 MCS6 MCS6
Manufactorer FAST ComTec FAST ComTec FAST ComTec FAST ComTec ID Quantique ACQUIRIS ORTEC SENSL
Model MCS6A MCS4 P7887 P7888 ID 800 TC890 9353 HRMTime
Resolution 100ps 30ns 250ps 1(2)ns 81ps 50ps 100ps 432ps (27ps opt.)
# of inputs 5(6) 2 1 2(4) 8 6 1 1..4
input sensitivity 10mV -300mV (+1.3V) 10mV 50mV LVTTL 100mV 50mV TTL
input pulse width 100ps 1250ps 125ps 500ps 4000ps 350ps 500ps 1500ps
edge slope pos, neg, both neg, (TTL: pos) neg neg pos pos, neg pos, neg pos
Dead time 0 0 0 0 5.5ns 15ns 1ns 190ns
Correction unneeded unneeded unneeded unneeded yes yes no
selfcal. needed no no no no yes
time span (max.) 20 days 32 days 1s 2s 10.48ms 6.7ms 143µs
burst rate 5 GHz 400 MHz 4 GHz 1(0.5) GHz 10 MHz 66 MHz 1 GHz 180 MHz
sustained rate 17 MHz 400 MHz 12.2 MHz 28 MHz 2.5 MHz total 25 MHz 10 MHz 4.5 MHz
pulse pair resol. 200ps 2.5ns 250ps 1ns(2ns) 5.5ns 15ns 1ns 190ns
pulse width mode yes no no no no no no no
multiple start yes no no no no no no
TAG bits 16 0 0 8 0 0 2 16
TAG resolution 6.4ns n/a n/a 16ns n/a n/a 60ns 190ns
Interface USB 2.0 USB 2.0 PCI PCI USB 2.0 PCI PCI USB 2.0
data word length 16-64bit 64bit 32bit 32bit 32bit 32bit
Ext. Clock input yes no no opt yes no yes
Sync output yes yes yes yes no no TTL
power 36W 12W - - - 25W - -