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The OMB-DBK45 card provides
OMEGA’s OMB-LOGBOOK and
OMB-DAQBOARD-2000 Series
data acquisition systems with four
differential analog input channels
equipped with low-pass filters and
simultaneous sample-and-hold.
The OMB-DBK45 provides a wide
selection of full scale inputs.
Each channel features its own
instrument-ation amplifier with
gain ranges of x1, x10, x100, x200,
and x500, as well as individually
configurable low-pass filters. This
lets you maximize your signal via
the OMB-DBK45’s input ranges,
low-pass filter the output, and
simultaneously sample and hold
all channels before digitizing with
the OMB-LOGBOOK and
OMB-DAQBOARD-2000 Series.
Up to sixty-four OMB-DBK45
cards can be attached to
one OMB-LOGBOOK and
OMB-DAQBOARD-2000 Series,
for a total of 256 differential inputs.
Low-Pass Filters
Each OMB-DBK45 channel is
equipped with a low-pass filter
that is user configured for cut-off
frequencies from DC to 50 kHz,
and for Butterworth, Chebyshev,
or Bessel characteristics. The
OMB-DBK45’s frequency determining
resistor and capacitor locations are
on machined-pin IC sockets for
maximum flexibility. The card is
provided with blank plug-in headers
for each channel, to which you can
add passive components for particular
frequencies. Preconfigured plug-in headers for
several preselected cutoff
frequencies are optionally available.
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