www.roithner - laser.com 1 TTM8000 ? 8 channel time to digital converter the time tagging module TTM8000 is an 8 channel time - to - digital converter. incoming signals are tagged with a 64 bit timestamp. the time resolution (bin size) depends on the selected measurement mode (between 82.3 and 1ps). hardware ? as unique feature, the ttm - 8000 can continuously deliver s up to 25 million events per second. ? g igabit ethernet ena bles flexible access to the measurement device. ? oven - controlled crystal oscillator (ocxo) guaranties high stability. the reference clock can be fine trimmed within 1.5 ppm via software . ? up to 8 TTM8000 can be synchronized to obtain a higher number of channels. ? threshold voltage for each trigger signal and external clock individually controllable ( - 4.1 to +4.1 v) to accommodate a wide range of logic standards. ? user programmable a nalog and digita l i / o to support your measurement . software ? convenient c/c++ api (ttmlib) handles all the low - level access to the ttm - 8000 hardware. ? ready - to - use software for linux and windows (gui and command line oriented) to get you started as quickly as possible. the software is based on ttmlib and comes with full sources , so that you can easily expand it to match your specific needs ? libraries to integrate the ttm - 8000 into your labview? application are available for linux and windows developed in cooperation with licensed through? fields of application ? precision t ime measurement ? jitter measurement ? correlation measurement ? time - of - flight measurement ? single photon counting ? time correlated photon counting ? quantum optics ? quantum cryptography quantum key distribution ? high energy physics ? particle physics ? fluorescence microscopy fluorescence lifetime imaging ? light detection and ranging (lidar) ? high precision timing analysis ? continuous high precision event recording key features ? 4 m easurement m odes: ? 8 c hannel s / 82.3ps r esolution / c ontinuous ? 2 c hannels / 41.2ps r esolution / multi s top ? 2 c hannels / 27.4ps r esolution / multi s top ? 2 c hannels / 1ps r esolution / s ingle s top ? deliver s up to 25 million events per second ? g igabit ethernet ? variable t hreshold v oltage ( for each trigger ) ? ready - to - u se s oftware for linux and windows
www.roithner - laser.com 2 supported measurement modes c hannels r esolution m easurement r ange c ounts/sec (burst/length) max s tart r etrigger min p ulse w idth ( equal edge to edge) i - mode c ontinuous 8 82.3 ps up to 3 years 25m (180m / 32) 2 . 5ns ( 5.5ns ) i - mode multi hit per channel 8 82.3 ps 0 .0 ns to 9.4s 25m (180m / 32) 7 mh z 2 . 5ns (5.5ns) g - mode multi hit per channel 2 41.2ps 0 .0 ns to 65s 20m (180m / 32) 5 mhz 1.5ns (5.5ns) r - mode multi (32) hit per channel 2 27.4ps 0 .0 ns to 40s 20m (180m / 32) 9 mhz 1.5ns (5.5ns) m - mode single hit per channel 2 1.0 - 27.4ps <10ps v ariance 0 .0 ns to 40s 1m 500 khz 1.5ns electrical and e nvironmental s pecifications: power supply: 12vdc (8 to 14 vdc) 1.5 a @12vdc (max. 3.0 a peak) environment: temperature: operation: 5? 35c; storage . - 10? 70c humidity : max. 85% rh, not condensing dimensions: 119mm x 46mm x 185mm ( width x height x depth) screenshots: developed in cooperation with licensed through?
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