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AN717

Title:
Building a 10-Bit Bridge Sensing Circuit Using the PIC16C6XX and MCP601Operational Amplifier
Name:
AN717
Date:
03/14/2004
Author:
Bonnie C. Baker
Description:
Sensors that use Wheatstone bridge configurations, such as pressure sensors, load cells, or thermistors have a great deal of commonality when it comes to the signal conditioning circuit. This application note delves into the inner workings of the electronics of the signal conditioning path for sensors that use Wheatstone bridge configurations. Analog topics such as gain and filtering circuits will be explored. This discussion is complemented with digital issues such as digital filtering and digital manipulation techniques. Overall, this note?s comprehensive investigation of hardware and firmware provides a practical solution including error correction in the data acquisition sensor system.
Keywords:
PIC16C6XX, MCP601
 
Application Notes & Source Code
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  AN717
  03/14/2004
  181KB
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