Go to GlobalSpec.com Home
Toolbar   The Engineering Toolbar
The Ultimate Resource for Engineering and Technical Research. (Learn More)

Building a 10-Bit Bridge Sensing Circuit Using the PIC16C6XX and MCP601Operational Amplifier

From Microchip Technology, Inc.
 

 
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.
Product Announcements
Instrumented Sensor Technology - Shock & Vibration Sensor/Recorder
The PANTHER Model EDR -4 series recorders are self-contained, user-programmable acceleration sensor/recorders. The compact, 5lb. Package is designed for remote, stand-alone shock and vibration... (read more)
MAGPOWR - CL Cantilever Load Cells for Narrow Web
The CL Cantilever Load Cells are the most cost effective cantilever load cell on the market. They are designed to support cantilevered idler rolls in processing machines which only have one side... (read more)
Mantracourt Electronics Ltd. - Wireless Solutions for Civil Engineering
Highway agencies and bridge owners spend large revenues protecting bridge users by visual inspection of bridge elements such as bolt joints and tensile steel ropes. Obtaining multiple readings to... (read more)
Servoflo Corporation - Signal Conditioners for Automotive Pressure Apps
Servoflo is pleased to announce a new integrated circuit from ZMD. The ZMD31150 is a highly accurate, fast CMOS integrated circuit for amplification and correction of resistive bridge type sensors. It... (read more)
Servoflo Corporation - New, Optimized Sensor Signal Conditioning IC
Servoflo Corporation is pleased to announce a new sensor signal conditioning IC from ZMD. As part of the RBic-Lite™ signal conditioning family of IC's, the ZMD31014 is optimized for... (read more)
Andantex USA, Inc. - Cartridge-Style Load Cells
Andantex Ultra Cartridge-Style Load Cells provide a highly responsive linear output signal for measuring, monitoring and controlling web tension in continuous processes. (read more)
Topics of Interest
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... (Read More)
Resistive sensors configured as Wheatstone bridges are primarily used to sense pressure, temperature or loads. An external A/D converter (ADC) and a digitally Programmable Gain Amplifier (PGA) can... (Read More)
AN1030 Weigh Scale Applications for the MCP3551 This application note will focus specifically on load Author: Jerry Horn, Gordon Gleason cells, a type of strain gauge that is typically used for... (Read More)
Load Cell: A load cell is a transducer that converts a load acting on it into an analog electrical signal. This conversion is achieved by the physical deformation of strain gages which are bonded into... (Read More)
This application note shows how to select a temperature sensor and conditioning circuit to maximize the measurement accuracy and simplify the interface to the microcontroller. Practical circuits and... (Read More)