SPC-830

  • Time Channel Width Down to 813 fs
  • Electrical Time Resolution 2.5 ps RMS (6.5 ps FWHM )
  • 8 MHz Saturated Count Rate
  • Memory Buffer Size: 8 Million Photons
  • High-Speed Interface for Laser Scanning Microscopes
  • Free Instrument Software for Windows Vista/7/8/10 (Realtime Calculation and Fitting of FCS Curves)

Photon Channel

 

Principle

Constant Fraction Discriminator (CFD)

Time Resolution (FWHM/RMS, electr.)

6.5 ps / 2.5 ps

Optimum Input Voltage Range

-30 mV to -1 V

Min. Input Pulse Width

400 ps

Threshold

0 to -500 mV

Zero Cross Adjust

-100 mV to 100 mV

Synchronisation Channel

 

Principle

Constant Fraction Discriminator (CFD)

Optimum Input Voltage Range

-30 mV to -1V

Min. Input Pulse Width

400 ps

Threshold

0 to -500 mV

Frequency Range

0 to 200 MHz

Frequency Divider

1, 2, 4 , 8, 16

Zero Cross Adjust

-100 mV to 100 mV

Time-to-Amplitude Converter / ADC

 

Principle

Ramp Generator / Biased Amplifier

TAC Range

50 ns to 5 µs

Biased Amplifier Gain

1 to 15

Biased AmplifierOffset

0 % to 100 % of TAC Range

Time Range incl. Biased Amplifier

3.3 ns to 5 µs

Min. Time Channel Width

813 fs

ADC Principle

50 ns Flash ADC with Error Correction

Diff. Nonlinerarity

< 0.5 % RMS, typ. < 1 % peak-peak

Data Acquisition

Histogram Mode

Method

on-board 4 dim. histogramming process over t, x, y, and channel number

Dead Time

125 ns, independent of computer speed

Saturated Count Rate / Useful Count Rate

8 MHz / 4 MHz

No. Of Time Channels / Pixel

1

4

16

64

256

1024

4096

Image Resolution (Pixels), 1 Detector Channel

4096 x 4096

2048 x 2048

1024 x 1024

512 x 512

256 x 256

128 x 128

64 x 64

Image Resolution (Pixels), 4 Detector Channel

2048 x 2048

1024 x 1024

512 x 512

256 x 256

128 x 128

64 x 64

32 x 32

Image Resolution (Pixels), 16 Detector Channel

1024 x 1024

512 x 512

256 x 256

128 x 128

64 x 64

32 x 32

16 x 16

Max. Counts / Time Channel

16 bits

Overflow Control

none, stop, repeat and acquire

Collection Time

100 ns to 100,000 s

Diplay Interval Time

100 ns to 100,000 s

Repeat Time

100 ns to 100,000 s

Curve Control (Internal Routing / Scan Sync In Mode)

up to 262, 144 decay curves

Routing Control / Detector Channels

14 bit, TTL / 16384

Routing

1 bit, TTL

Control Signal Latch Delay

0 to 255 ns

Experiment Trigger

TTL

Data Acquisition

FIFO / Time-Tag Mode

Method

Time- and wavelength-tagging of individual photons and continuous writing to disk

Online Display

Decay functions, FCS, Cross-FCS, PCH, MCS traces, images

FCS Calculation

Multi-tau algorithm, online calculation and online fit

Waveform Recording

online from time-tag data, up to 16 detector channels

Number of counts of decay/ waveform recording

unlimited

Dead Time

125 ns

Output Data Format (ADC / Macrotime / Routing)

12 / 12 / 4

FIFO Buffer Capacity (Photons)

8 * 106

Macro Timer Resolution, Internal Clock

50 ns, 12 bit, overflows marked by MOTF entry in data stream

Input Macro Timer Resolution, Clock from Sync

10 ns to 100 ns, 12 bit, overflows marked by MOTF entry in data stream

Input Curve Control (External Routing)

4 bit, TTL

External Event Markers

4 bit, TTL

Count Enable Control

1 bit, TTL

Data Acquisition

FIFO / Time-Tag Imaging Mode

Method

Online buildup of images from time-tag data

Online Display

up to 8 Images in different time and wavelength windows

Synchronisation with Scanner

via Frame Clock, Line Clock and Pixel Clock Pulses

Detector / Wavelength Channels

1 to 16

Image resolution (64-bit SPCM Software)

 

No. of Time Channels

1

4

16

64

256

1024

4096

No. of Pixels, 1 Detector Channel

8192 x 8192

4096 x 4096

2048 x 2048

1024 x 1024

512 x 512

256 x 256

128 x 128

No. of Pixels, 16 Detector Channels

2048 x 2048

1024 x 1024

512 x 512

256 x 256

128 x 128

64 x 64

32 x 32

Operation Environment

 

PC System

Windows 7 to 10, > 8 GB RAM, 64 bit operating system recommended

PC Interface

PCI

Power Consumption

approx. 20 W from +5 V, 0.7 W from +12 V

Dimensions

312 mm x 122 mm x 28 mm

The bh TCSPC Handbook
8th edition, corrected and updated September 2019

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