DSP Wireless Universal Sensor Interface Module

John Yaron - Resume & Cover Letter : JohnYaron (.pdf)

ZigBee DSP Sensor Module DSM1 : 802.15.4 Wireless Universal Sensor Interface Module

- Developed by Yashu Systems, LLC for BAE Systems -

Supports TC / RTD, Pressure, Flow, Strain, Proximity, Generic Analog & ICP Accelerometer Sensors

4 Configurable Input Channels based on Wheatstone Bridge : 2 ICP Accelerometer Channels

Universal Sensor Input Channel Design supports Almost Any Sensor Type

Robust Bridge Interface Allows for Quarter, Half or Full Bridge Configurations

Isolated Programmable Constant Current Source Excitation for Each Sensor Channel

1Hz to 5KHz BW Accelerometer Channels with Programmable AntiAlias LowPass Filter Cutoff

24VDC @ 4mA Constant Current ICP Accelerometer Excitation Support

Programmable Gain Amplifiers on All Sensor and ICP Accelerometer Channels

HiSide Power Switches for Channel Banks allow Robust Sleep Modes to conserve Battery Life

40MHz 16-Bit Fixed Point DSP with 2 MByte SRAM

USB 2.0 Full Speed Host Interface for Maintenance and Configuration

Logs Sensor Data using Per Channel User Specifiable Rates

Dual 3.6V D-Cell Lithium Batteries provide Months of DSP Processed Data Logging Operation

-40C to +85C Wide Temperature Range Operation for Harsh Environments

Rugged Urethane Boot Cover provides High Water Resistance

Extruded Aluminum Base provides Secure Vehicle Attachment

Sensor Cables feed through Cable Channels to Screw Terminals under Protective Boot

10-32 Coax ICP Accelerometer Connectors provide Extremely Low Noise Interfacing

DSM1 Unique Functionality

• Independent Channels allow configuring 4 Different Sensor Types on a single DSM1 Unit

• Floating Differential Input Channels provide Isolation and High CMRR for Attached Sensors

• 7-Screw Terminal Channel Connector leverages attachment of Various Sensor Types

• Selectable Ranges for TCs provide Cold Junction Compensated Hi-Resolution Dynamic Ranging

• Selectable Ranges for ICP Accel, RTD, Strain and Analog Voltage Sensors increases Readout Resolution

• Optional API Development Library allows user to create Custom DSP Firmware Algorithms

• Optional Auxiliary I2C Port allows connection of Application Specific Smart Sensors