Data Translation (Marlboro, MA) announced the DT7837 ARM-based dynamic signal analyzer module for noise and vibration measurement. The computer portion of the module uses a ruggedized BeagleBone Black ARM processor. Complete source code is provided that can be modified and used without any restrictions. The front-end design allows simultaneous measurement of four 24-bit IEPE sensor inputs at a sampling rate of 102.4 kS/s. The module is used for precision measurements with microphones, accelerometers, and other transducers that have a large dynamic range. It also includes a 24-bit stimulus output, tachometer, general-purpose digital I/O, external trigger functions, and counter/timers. The ARM block processor includes BBB functions, FPGA, memory and support peripherals, interfaces for a USB host and client, Ethernet, power, and SD card.
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