In this section, all ALV- Digital Correlation Products can be found. The section is categorised into three sections :

• Multiple Tau Digital Correlator Series
  
  USB based Correlators
  
  ALV-7004/USB and ALV-7004/USB-FAST
  
  USB 2 based interface to PC, very low power consumption (typ. 650 mW for ALV-7004/USB), small footprint and weight, extremely robust anodized aluminum case. Four simultaneous real time Multiple Tau correlation functions, up to 4 x 312 correlation channels, 25 ns inital STC for ALV-7004/USB and 3.125 ns initial STC for ALV-7004/USB-FAST , up to 4 x 296 individual channel monitors and up to 4 x 38 group monitors, simultaneous real time fast count rate trace output at
  0,2048 ms for all four input channels, LVTTL/TTL inputs, detector protection unit for every input channel, external START trigger, inbuilt advanced test generator. 3 x user switchable LVTTL outputs, 5 x LVTTL inputs (level detection or as 24 bit counting inputs at 100 ms timebase), increased stability clock generator as option (+/- 0.5pm stability over the complete operating temperature range) with GPS based ageing trim capability (see details here).
  
  WINDOWS-2000/2003/XP/VISTA and WINDOWS 7 compatible software (32 and 64 bit version is supported).
  
  ALV-7002/USB_25
  
  USB 2 based interface to PC, very low power consumption (typ. 650 mW for ALV-7002/USB-25), small footprint and weight, extremely robust anodized aluminum case. Two simultaneous real time Multiple Tau correlation functions, up to 2 x 312 correlation channels, 25 ns initial STC, up to 2 x 296 individual channel monitors and up to 2 x 38 group monitors, simultaneous real time fast count rate trace output at 0,2048 ms for all four input channels, LVTTL/TTL inputs, detector protection unit for every input channel, external START trigger, inbuilt advanced test generator. 3 x user switchable LVTTL outputs, 5 x LVTTL inputs (level detection or as 24 bit counting inputs at 100 ms timebase), increased stability clock generator as option (+/- 0.5pm stability over the complete operating temperature range) with GPS based ageing trim capability (see details here).
  
  WINDOWS-2000/2003/XP/VISTA and WINDOWS 7 compatible software (32 and 64 bit version is supported).
  
  
  EPP/PCI based Correlators
  
  ALV-7002
  
  two simultaneous real time Multiple Tau correlation functions, up to 2 x 312 correlation channels, 100 ns inital STC, up to 2 x 296 individual channel monitors and up to 2 x 38 group monitors., simultaneous real time fast count rate trace output at 0,8192 ms time base for all four input channels, LVTTL/TTL inputs, detector protection unit for every input channel, external START trigger, inbuilt advanced test generator, EPP/PCI based intefrace to host PC. WINDOWS-2000/2003/XP/VISTA and WINDOWS 7 compatible software (32 bit version only).
  
  ALV-7004
  
  four simultaneous real time Multiple Tau correlation functions, up to 4 x 312 correlation channels, 25 ns inital STC, up to 4 x 296 individual channel monitors and up to 4 x 38 group monitors., simultaneous real time fast count rate trace output at 102,4 µs time base for all four input channels, LVTTL/TTL inputs, detector protection unit for every input channel, external START trigger, inbuilt advanced test generator, additional user selectable 100 ns initial STC “compatibility mode” for auto correlation experiments. EPP/PCI based intefrace to host PC. WINDOWS-2000/2003/XP/VISTA and WINDOWS 7 compatible software (32 bit version only).
  
  ALV-7004/FAST
  
  four simultaneous real time Multiple Tau correlation functions, up to 4 x 336 correlation channels, 3,125 ns inital STC up to 4 x 320 individual channel monitors and up to 4 x 41 group monitors, simultaneous real time fast count rate trace output at 102,4 µs time base for all four input channels, LVTTL/TTL inputs, detector protection unit for every input channel, external START trigger, inbuilt advanced test generator, additional user selectable 100 ns initial STC “compatibility mode” for auto correlation experiments. EPP/PCI based intefrace to host PC. WINDOWS-2000/2003/XP/VISTA and WINDOWS 7 compatible software (32 bit version only).

Please click here to download detailed technical information about the current
Multiple Tau Correlation correlator models (PDF)
 

• Multiple Tau Correlators with more than four simultaneous correlation functions
  
  ALV-7032
  
  32 simultaneous real time Multiple Tau correlation functions with 50 ns inital STC, up to 32 x 336 correlation channels, up to 32 x 320 individual channel monitors and up to 32 x 41 group monitors. Two correlation modes are supported, namely computation of either 32 auto or 16 cross correlation functions, 32 LVTTL/TTL (at 50 Ohm) inputs, an optional 32 channel LVDS/LVTTL converter is available as option, external START trigger, inbuilt advanced test generator. USB 2 based interface to host PC, up to 10 MByte/s transfer speed. Control/display software for WINDOWS (XP/VISTA/7, 32 or 64 bit).
  
  
  Linear Tau Digital Correlator Series
  
  ALV-LinCorr
  
  High speed (25 ns) linear real time correlator with up to 2048 correlation channels and DUAL correlation function mode
  
   
• TechTalk (updated !)
  
  A section which addresses important topics on the proper selection of of digital correlators, details on the  Multiple Tau Correlation Scheme, insights on the topic of “Triangular Distortion Effects”, the proper choice of single photon detectors etc. - information you should have !

Please note :
ALV-5000/EPP, ALV-6000 and ALV-6010-160/200 are discontinued from Q4/2007 on,
read the details here