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EE4133 : Instrumentation Design


COURSE SYLLABUS (pdf-version)

Definitions

General discussion of an intrumentation system
Static characteristics
Dynamic characteristics
Terminology

Transducers

Foil & semiconductor strain gauges
RTDs & thermistors
Semiconductor temperature sensors
Inductive sensors & the LVDT

Signal Conditioning

Modern op-amps and single supply operation
Synchronous rectification (for LVDT)
Bridge circuits & differential amplifiers
Modeling non-linear components using PSpice
Linearization techniques

Filter Design

Ideal filters
Mathematical models
Derivation of transfer function
Pole visualization using MATLAB
Circuit implementations
Filter design with FILTERPRO

Digitization

Sampling & quantization
SNR and quantization noise
Flash A-to-D conversion
Dual-slope A-to-D conversion
Successive approximation conversion
Bandgap voltage references

Microcontroller Interfacing

Serial & parallel interfacing
SPI 4-wire bus
I2C 2-wire bus

Internal System Noise (time permitting)

Sources of noise
Noise models
Concepts of noise matching

Laboratories

The laboratories for this course will be selected from the following list. Some of these will be conducted using the PSpice circuit simulation software package, while others using a PIC family microcontroller.

  • Modern op-amps and single supply operation
  • Differential amplifier design
  • Precision rectifier & the effect of resistor tolerance
  • Design & comparison of two bridge amplifiers
  • Linear temperature sensor using a NTC thermistor
  • Sallen & Key low pass filter
  • A comparison of two low-pass filter designs
  • Programming the timers on a PIC microcontroller
  • ADC signal-to-noise ratio and ENOB (effective number of bits)
  • Serial interfacing with the I2C bus
  • Noise analysis using PSpice
  • Please refer to the Laboratory Exercises page in Blackboard for more detailed information and the associated manual.


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    © Dennis F. Lovely
    Last revised: 5th January, 2007
    Department of Electrical & Computer Engineering
    University of New Brunswick
    PO Box 4400, Fredericton, NB, CANADA