4-Channel Low-Pass Filter Card for Use with OMB-DAQBOARD-2000 Series and OMB-LOGBOOK Systems

OMB-DBK18

PLACE ORDER

Provides Four Independent Three-Pole Low-Pass Filter Channels
Provides a Separate instrumentation Amplifier Input Stage for Each Channel
User-Configurable from DC to 50 kHz Cut-Off

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Description

The OMB-DBK18 low-pass filter card provides OMEGA’s OMB-LOGBOOK and OMB-DAQBOARD-2000 Series data acquisition systems with four low-pass filters that can be individually configured for a cut-off frequency from DC to 50 kHz, and for Butterworth, Chebyshev or Bessel characteristics. Each OMB-DBK18 provides four channels of differential voltage input to an OMB-LOGBOOK and OMB-DAQBOARD-2000 Series. The systems’ sixteen analog input channels can each accept four OMB-DBK18 cards, for a total of 256 analog input channels with low-pass filtering.

Each of the OMB-DBK18’s four channels features an instrumentation amplifier with switch-selectable gains of x1, 10, 100, 200 and 500. Each channel is also equipped with a location for a user-selected gain resistor, allowing you to select a custom gain range of up to x500. The OMB-DBK18’s frequency-determined 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. The OMB-DBK18 is equipped with BNC input connectors. Its differential inputs are equipped with switchable 100 K bias resistors that are referenced to analog common.