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The ADAS1000/ADAS1000-1/ADAS1000-2 measure electro cardiac （ECG） signals， thoracic impedance， pacing artifacts， and lead-on/lead-off status and output this information in the form of a data frame supplying either lead/vector or electrode data at programmable data rates. Its low power and small size make it suitable for portable， battery-powered applications. The high performance also makes it suitable for higher end diagnostic machines.
The ADAS1000 is a full-featured， 5-channel ECG including respiration and pace detection， while the ADAS1000-1 offers only ECG channels with no respiration or pace features. Similarly， the ADAS1000-2 is a subset of the main device and is configured for gang purposes with only the ECG channels enabled （no respiration， pace， or right leg drive）。 The ADAS1000/ADAS1000-1/ADAS1000-2 are designed to simplify the task of acquiring and ensuring quality ECG signals. They provide a low power， small data acquisition system for biopotential applications. Auxiliary features that aid in better quality ECG signal acquisition include multichannel averaged driven lead， selectable reference drive， fast overload recovery， flexible respiration circuitry returning magnitude and phase information， internal pace detection algorithm operating on three leads， and the option of ac or dc lead-off detection. Several digital output options ensure flexibility when monitoring and analyzing signals. Value-added cardiac post processing is executed externally on a DSP， microprocessor， or FPGA.
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