PicoQuant HydraHarp 400 - Hardware Technical Data; Specifications

PicoQuant GmbH HydraHarp 400 Software V. 3.0.0.1
8.3. Hardware Technical Data
8.3.1. Specifications
All information given here is reliable to our best knowledge. However, no responsibility is assumed for possible
inaccuracies or omissions. Specifications and external appearance are subject to change without notice.
Input Channels and Sync
Trigger principle Vertex Finding CFD
software adjustable
Trigger point Falling edge (negative going)
Input voltage operating range (pulse peak, 50 Ω)
optimum:
0 mV … −1 000 mV
−100 mV … −500 mV
Input voltage max. range (damage level) ± 1 500 mV
CFD level adjust 0 mV … −1 000 mV
CFD zero cross adjust 0 mV … 40 mV
Trigger pulse width 0.5 ns … 30 ns
Trigger pulse rise ⁄ fall time ≤ 2 ns
Max. count rate
12.5 · 10
6
cps
Max. sync rate without divider 12.5 MHz
Max. sync rate with divider 1 ⁄ 16 150 MHz
Adjustable delay range for each input channel
resolution:
± 100 ns
1 ps
Marker and Control inputs standard TTL, 100 kΩ DC load
Time to Digital Converter
Base resolution (min. time bin width) 1 ps
Timing uncertainty (rms)
< 12 ps + 10
−8
· Δt
Differential non–linearity (full measurement range) < 2.0% p.p.
< 0.2% rms
Dead time < 80 ns
External Reference Clock
Input 10 MHz
200 mV … 1 000 mV p.p.
50 Ω; AC coupled
Output 10 MHz
300 mV p.p.
50 Ω; AC coupled
Histogrammer
Maximum number of time bins 65 536
Bin widths 1, 2, 4, 8, …, 33 554 432 ps
Measurement ranges 65 536 x 1 ps … 65 536 x 33.55 µs
Count depth per time bin 4 294 967 296 (32 bit)
Acquisition time 1 ms … 100 h
Page 66