Chapter three
Signal conditioning
Objectives
The objectives of this chapter are that, after studying it, the reader should be able to:
- Explain the requirements for signal conditioning.
- Explain how operational amplifiers can be used.
- Explain the requirements for protection and filtering.
- Explain the principles of the Wheatstone bridge and, in particular, how it is used with strain gauges.
- Explain the principle of pulse modulation.
- Explain the problems that can occur with ground loops and interference and suggest possible solutions to these problems.
- State the requirements for maximum power transfer between electrical components.
3.1 Signal conditioning
The output signal from the sensor of a measurement system has generally to be processed ...
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