FAST ComTec: MCS6A

By: Fast Comtec  09-12-2011
Keywords: Sweep, Graphical User Interface, Graphical User

100 ps per time bin, multiple-event time digitizer (TDC) MCS6A

It can be used in ultra-fast Multi-scaler and TOF systems, in Time-of-Flight mass-spectrometry and time-resolved single ion- or photon counting. NEW !! Pulse-width evaluation with 100 ps precision enables the user to calculate the area, the pulse height of the detector pulse but also if multiple events have occured - multiple events have a broader pulse width than single pulses.

In operation the sweep is started by a user-supplied start (trigger) pulse. Then subsequent events detected at the stop inputs are recorded, each in a specific time bin corresponding to the time of arrival relative to the start pulse. Compared to non-multi-hit devices, the MCS6A can evaluate stop events at a rate of 10 GHz state changes/sec, in the pulse width mode at 5 GHz. The MCS6A is designed with fully digital circuitry capable of accepting at least 65.000 events at peak (burst) input rates of up-to 10 Gbit per second.

The MCS6A has been optimized for the best possible pulse pair resolving while providing state-of-the-art time resolution available in digital designs. Six built-in discriminators can be adjusted for a wide range of signal levels. The single sweep time range enables the user to take data of up to 20 days (54 bit setting) or 30 min (44 bit setting with 16 TAG bits enabled), with a time resolution of 100 ps.

Optionally a reference input for high stability clock sources such as a GPS or rubidium disciplined oscillator will be offered.

The FIFO memory buffers enable the MCS6A to continuously transfer data at rates of approx. 35MB per second.

Selection of data width per event in steps of 16bit (16, 32, 48 or 64 bit) allows for optimized FIFO and USB bandwidth usage For experiments requiring repetitive sweeps the spectral data obtained from each sweep can be summed in the PC enabling very high sweep repetition rates.

In endless and wrap-around mode sweep repetitions with zero end-of-sweep dead time can be accommodated.

The MCS6A is designed with "state-of-the-art" components which offer excellent performance and reliability.

The high-performance hardware is matched by a sophisticated WINDOWS-based software delivered with each MCS6A - providing a powerful graphical user interface for setup, datatransfer and spectral data display.

Drivers for LINUX are optionally available.


Keywords: Digital Circuitry, Graphical User, Graphical User Interface, Sweep, Time Bin, Time Digitizer, Transfer Data,

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