My Articles on AAC (Page I)

This is the first page listing my articles on AAC. In addition to technical articles, news pieces that might have useful technical information are also included. The second page provides a list of my articles about FPGA programming and DSP concepts.


Linear Variable Differential Transformer (LVDT)
  1. Introduction to Linear Variable Differential Transformers (LVDTs)
  2. Learn About the Basics of LVDT Demodulator Circuits
  3. LVDT Demodulation: Rectifier-Type vs. Synchronous Demodulation

Hall Effect Sensors
  1. Hall Effect Magnetic Design: Head-on and Slide-by Configurations
  2. Hall Effect Position Sensing: Response Linearity and Slope for Slide-By Configurations
  3. Digital (ON/OFF) Hall Effect Devices: Switches and Latches
  4. Hall Effect Current Sensing: Open-Loop and Closed-Loop Configurations

Resistive Current Sensing
  1. Resistive Current Sensing: Low-Side vs. High-Side Sensing
  2. Using Single-Ended Amplifiers in Low-Side Current Sensing: Error Sources and Layout Tips
  3. Learn How Integrated Solutions Can Increase the Accuracy of Resistive Current Sensing
  4. Understanding the Amplifier Offset Voltage and Output Swing in Resistive Current Sensing

Pressure Sensors
  1. ROHM’s Waterproof Barometric Pressure Sensor Is More Than a Weather Forecaster [News]

MEMS Accelerometers
  1. Introduction to Capacitive Accelerometers: Measuring Acceleration with Capacitive Sensing
  2. Deriving the Transfer Function of a Capacitive Sensing Accelerometer
  3. MEMS Accelerometer Frequency Response and Bandwidth Specification
  4. Filtering Accelerometer Output for Noise Suppression and Bandwidth Improvement
  5. What Does an Accelerometer Output When It Isn’t Moving? Zero-g Bias
  6. Accelerometer Specifications: Measurement Range, Sensitivity, and Noise Performance

Piezoelectric Accelerometers
  1. Understanding Piezoelectric Accelerometer Basics
  2. Processing a Piezoelectric Accelerometer Output Using a Charge Amplifier
  3. Understanding Charge Amplifier Errors—Time Constant and Drift
  4. Piezoelectric Accelerometers With Integrated Electronics (IEPE)
  5. Piezoelectric Accelerometers: IEPE Sensors vs. Charge Output Sensors
  6. Accelerometer Mounting Methods: Types, Effects, and Solutions

MEMS Gyroscopes
  1. An Introduction to MEMS Vibratory Gyroscopes

  1. Thermocouple Principles—the Seebeck Effect and Seebeck Coefficient
  2. Thermocouple Basics—Using the Seebeck Effect for Temperature Measurement
  3. What is Cold Junction Compensation in Thermocouples?
  4. Thermocouple Cold Junction Compensation Using Analog Temperature Sensors
  5. Unraveling the Thermocouple Approximation Error Using the Least Squares Method
  6. Exploring Monolithic Thermocouple Signal Conditioning Using AD849x and LT1025
  7. Thermocouple Signal Conditioners and Signal Conditioning Near the Cold Junction

Resistance Temperature Detectors
  1. RTD Basics—An Introduction to Resistance Temperature Detectors
  2. Modeling RTD Resistance-temperature Characteristics
  3. An Introduction to RTD Sensor Signal Conditioning Circuits
  4. RTD Signal Conditioning—Voltage vs Current Excitation in 3-wire Configurations
  5. RTD Signal Conditioning—4-Wire Configuration, Ratiometric Measurement, & Filtering

Test and Measurement

Electronic Components' Stability (Drift With Time and Temperature)

  1. Introduction to Allan Variance—Non-overlapping and Overlapping Allan Variance
  2. Temperature Drift in Resistors and Op-amps—Flicker Noise and Signal Averaging
  3. High-temperature Aging Method to Evaluate Electronic Component Aging and Stability
  4. Using the Arrhenius Equation to Predict Electronic Component Aging
  5. Electronic Component Aging—the Aging Effects of Resistors and Op-amps
  6. Electronic Component Aging—Long Term Drift (LTD) in a Voltage Reference

A/D Converters

Quantization Noise

Offset Error, Gain Error, and Calibration

DNL and INL Errors



D/A Converters

Voltage References

Operational Amplifiers And Comparators

Quartz Crystals

  1. Characterizing Frequency Deviations of Quartz Crystals: Frequency Tolerance, Frequency Stability, and Aging
  2. Understanding the Operation of Quartz Crystal Oscillators
  3. Assessing the Effect of Load Capacitance on the Frequency of a Quartz Crystal
  4. Examining the Negative Resistance of a Quartz Crystal Oscillator
  5. How to Measure the Drive Level of a Quartz Crystal

Thermal Design

  1. How Junction-to-Ambient Thermal Resistance of an IC Package Affects Thermal Performance
  2. Theta JA (θJA) Test Conditions for Assessing IC Package Thermal Design
  3. Junction-to-Case Thermal Resistance in Thermal Design
  4. Designing with a Heat Sink for Junction-to-Case Thermal Resistance
  5. Introduction to Thermal Characterization Parameters

Understanding Noise

Memory Technologies

Embedded C Programming

PCB Design and High-Speed Digital Circuit Considerations

RF and Wireless Communication Technologies

Basic Concepts
  1. Using the Noise Figure Metric to Analyze Noise in RF Circuits
  2. RF Design Basics—Introduction to Transmission Lines

  1. Star vs. Mesh Networking Topology: IoT Wireless Connectivity Fundamentals
  2. An Introduction to Bluetooth Mesh Networking
  3. Bluetooth Mesh Network Basics—Nodes, Elements, and Node Features
  4. Lighting Systems Get an IoT Facelift With Bluetooth Mesh [News]
  5. Introduction to Bluetooth Mesh Models
  6. New Reference Design Highlights the Inner Workings of Beacon-Based, Social-Distancing Tech [News]



Mechanical Ventilation

Power Management


USB Type-C and Power Delivery

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Dr. Steve Arar
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