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Fast Digital Detector Emulator
The DT5810B is the model of the Detector Emulator family with the fastest signal output. Thanks to an updated and faster DAC it is now possible to emulate the behavior of some of the fastest detectors on the market with 1 ns rise time. The Digital Detector Emulator is the only synthesizer of random pulses that is also an emulator of radiation detector signals with the possibility to configure energy and time distribution. 
The stream of emulated signals becomes a statistical sequence of pulses, reflecting the programmed input features. When the emulation process is resetted, the kernels of generators can be either re-initialized with new random data making the sequence always different, or they can be stored to reproduce the same sequence many times.

Each Digital Detector Emulator channel is able to emulate a radiation source and to provide it either with fully independent parameters (energy spectra, signal shapes, temporal distributions of the events, noise characteristics, etc.) or with some of them correlated with those of the other channel. For example the events can be time-correlated (steps of 1 ns), or a subset of events can share the same energy spectrum. It is also possible to set the channels in a master/slave configuration, where the first channel works as a trigger for the second one.

The output amplitude is selectable at ±2 V with 50 Ohm or ±8 V at high impedance. The unit can operate in the same three modes as the 5800 Family (Pulser Mode, Emulation Mode and Waveform Generator Mode). The Waveform Generator supports not only standard waveforms: e.g. sinusoidal, squared, ramp shape, etc. but also arbitrary waveforms customized by the user.

The DT5810B is equipped with an analog channel input through which it is possible to sample a real signal and add it to the signal generated by the emulator: in this way it is possible to emulate a source not actually present or hardly available. Moreover, the analog input allows to characterize a detector, acquiring shape and spectrum of its output signal.
Energy emulation
Single line (65535 selectable levels)
Spectrum emulation (16384 bins with 14 bit resolution)
± 2 V, 50 Ω; ± 4 V, hi-Z (high speed mode)
± 8 V, hi-Z (high voltage mode)
16 bit D/A converter
Time emulation features
Costant rate emulation
Poisson distribution
Programmable statistical generation of events (256 bins, 8 bit resolution)
Up to 30 MCPS, both in costant and statistical emulation
Integrator circuit emulation without pile-up limitation
Up to 16 pile-up events in the memory based algorithm
Programmable dead-time and emulation of parallelizable and non-parallelizable machines
20 ns to 10 ms exponential decay time
Signal shape
4096 points to store waveforms
Arbitrarily programmable shapes
Shape length from 3 ns to 4 µs (w/o interpolation) / 4 ms (interp.)
Separated rising and falling edge interpolation
Up to four separate shapes mixed on the same channel with indipendent statistic
Noise emulation
White noise emulation (BW 500 MHz)
1/f noise emulation
Random Walk (baseline drift)
Interference generation (e.g. possibility to record spikes from switching power supplies and inject in the output signal)
Interference generation with fixed amplitude and frequency or randomly modulated in amplitude and injection time
Baseline drift programmable with arbitrary shape
Correlated events emulation
Three operation modes:
1) Channel 1 (CH1) is the time shifted copy of Channel 2 (CH2) (1 ns step);
2) CH2 has its own statistics generator (i.e. different spectrum, different noise, etc.) but is triggered by CH1 (delayed by 1 ns step);
3) A third emulator channel (with separate statistic properties) generates correlated pulses for both CH1 and CH2. In this way, only some events of the two channels are correlated
1 ns step programmable delay (from 0ps to 32us)
Digital I/O
2-input and 2-output programmable
Trigger out, analog saturation warning, machine overload sensing
Trigger in, random number generetor control (reset / play / pause), gating, baseline reset
(random number generator)
8 indipendent LFSRs with 64 bits generate the base for the statistical emulation
Possibility to randomize the seeds of each RNG indipendently
Possibility to inizialize the RNG with fixed seeds to get repetible sequences to test different processing architectures
Generation of finite length streams of pulses to debug step-by-step the DUT
Programmable sequence
4 kpoints of memory/CH to store a sequence of pairs (energy, time of occurrence) to generate long predictable and defined sequences of pulses.
Arbitrary waveform generator
Function generation: sin, square, ramp, saw, pulse, sinc up to 10 MHz
Software and Interfaces
Windows based user interface managing more than one emulator
USB 2.0 interface
Analog Input
1 ADC input, 125 MSPS 14 bit
DC coupled input (dynamic 1/2/4/8 V)
AC coupled (gain from 2 to 110)
Realtime emulation signal mixing with analog source
Full MCA functionality to calculate the spectrum of the source
Fast shape averaging to extract a model of the input signal
Description Release Date OS-Version Environment Download
Firmware   DT5810B firmware (**) 10.0_3.0 February, 2018
FW Package 2.42 MB - Type: .NIU Download
Firmware   DT5810D firmware (*) 6.2_3 June, 2017
FW Package 2.38 MB - Type: .NIU Download
Control Software
Windows Digital Detector Emulator Control Center for DT5810B 2.5.1 April, 2018 Windows 7 or Greater
SW Package 186.8 MB - Type: .zip Download
Windows Digital Detector Emulator Control Center for DT5810D 2.3.8 June, 2017 Windows 7 or Greater
SW Package 194.47 MB - Type: .zip Download


  • (**) DT5810B is not supported by software release < and firmware release >10.0_3.0
  • (*) DT5810D is not supported by software release > and firmware release >6.2_3.0
Code Description
WDT5810XAAAA OBSOLETED | DT5810D - Dual Channel Desktop FAST Digital Detector Emulator with channel correlation
WDT5810BXAAA DT5810B - Dual Channel Desktop FAST Digital Detector Emulator with channel correlation
Model Package Function Description Compare
All - Reset
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DT5800 Detector Emulator Digital Detector Emulator Desktop Digital Detector Emulator
DT5810 Detector Emulator Digital Detector Emulator Fast Digital Detector Emulator
NDT6800 Detector Emulator Digital Detector Emulator NIM/Desktop Digital Detector Emulator

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