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Clarity - INT9 A/D converter Brief Description
5
A/D Converter types in general
Prior to collecting and processing the chroma-
tographic signal by a computer, the analog
signal of the detector must first be converted to
digital form using an analog/digital (A/D)
converter.
In principle, there are three types of A/D
converters – sampling, integrating and
ΔΣ
(Delta-Sigma - with continuous integration).
The INT9 card uses Delta-Sigma integration.
Advantages of the INT9 A/D converter
• No loss of input signal during integration.
There are no time delays during which the
converter fails to integrate the input signal.
• No continuous servicing of the input analog
switches, which would otherwise cause errors
(offset, noise).
• Substantially smaller amounts of data entering
the computer due to individual data items
already representing partial integrals.
1.2 Hardware and software requirements
The INT9 A/D Converter for PCI slot can be
used with Clarity software on PC’s using the
following operating systems: MS Windows
2000/XP/Vista.
The PC must have one free PCI slot for your
INT9 card.
Caution! Full size PCI 2.0, 32 bit PCI slot is required. Low
profile or PCI Express slots cannot be used.
Hardware and Software Compatibility:
Software \ Windows Vista XP 2000 NT 98/Me
Clarity * Yes Yes Yes No No
Clarity Lite * Yes Yes Yes No No
CSW32 No No No No No
* From Clarity version 2.4.4.122