Product category:
I/O devices
News Release from: Kemo | Subject: Kemo 1600
Edited by the Laboratorytalk Editorial
Team on 31 January 2002
High-performance programmable filter
modules
The Kemo 1600 series range of filter modules has been developed for data-acquisition applications where extremely high performance has to be combined with high numbers of channels
The Kemo 1600 series range of filter modules uses advanced continuous-time filter design techniques to offer significant benefits compared with integrated-circuit filter chips designed to address the same application sector Unlike many IC filters, the Kemo devices exhibit low variation of DC offset with cutoff frequency and no high-frequency clock breakthrough or input aliasing
This article was originally published on Laboratorytalk on 19 Oct 2001 at 8.00am (UK)
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Noise and linearity performance are also far superior, allowing the filters to be used with convertor systems of the very highest performance.
The 1600 Series modules can be supplied with a wide range of filter types and response shapes, including lowpass filters optimised for high-performance alias protecting, highpass for the elimination of low-frequency disturbances prior to A/D conversion, and special-purpose responses.
The basic module measures only 50 x 50 x 15mm, and is digitally programmable for cutoff frequency over a 255:1 range.
Models offering cutoffs over the range 1Hz to 255kHz are available.
The 1600W modules provide an even greater cutoff span with 100 pseudo-logarithmic filter steps over a 1792:1 range.
This combination allows small steps at low frequency while still covering a wide frequency range.
A range of carrier cards allows the filters to be used in data-acquisition systems as part of a combined filter/amplifier unit for local amplification and the filtering of low-level noisy signals.
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