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Analog Technical Articles
Test & Measurement
Understanding, Calculating, and Measuring Total Harmonic Distortion (THD)
Total harmonic distortion (THD) is a measurement that tells you how much of the distortion of a voltage or current is due to harmonics in the signal.
5 days ago
Improving on the Electret: An Introduction to MEMS Microphones
This technical brief explains the physical characteristics and the benefits of microphones based on MEMS technology.
February 14, 2017
Why Source Shifting Is Important and How to Use It
This article explains the rules associated with the technique of source shifting.
January 27, 2017
Understanding Current-Voltage Curves of Non-Linear Devices
This article discusses the I-V curves of passive non-linear devices such as diodes, transistors, and thyristors.
January 09, 2017
This article provides insight into the practical aspects of correlation.
January 04, 2017
Understanding Current-Voltage Curves
This article discusses I-V curves for passive components, voltage sources, and current sources.
December 27, 2016
Understanding Automatic Gain Control
How do designers cope with a system that has highly variable input amplitude yet requires fairly constant output amplitude? Let’s take a look....
November 22, 2016
The Importance of Complex Conjugates
This article provides insight into the importance of complex conjugates in electrical engineering.
November 17, 2016
Focusing on Phase: The All-Pass Filter
How do you design a filter that (ideally) has the same gain for all frequencies? And, furthermore, why would you want to do this?
November 08, 2016
Analyzing Circuits via Source Transformation
This article uses examples to explain the technique of source transformation.
November 01, 2016
Antenna Basics: Radiation Patterns, Permittivity, Directivity, and Gain
Antennas allow information to be transferred to distant locations. In the second part of this Antenna Basics series, you will learn more about the physics of how antennas work....
October 12, 2016
Many Functions, One Tool: The Analog Discovery 2 from Digilent
An introduction to the Analog Discovery 2 by Digilent.
October 06, 2016
Creating Novel Linux Controllers for Wearable Devices
Embedded and wearable systems require new ideas for input controller hardware. But older software still expects a keyboard and mouse. How do we bridge the gap without having to write kernel...
October 04, 2016
Understanding Linear-Phase Filters
Linear phase response, also known as constant group delay, is an important property in some filter applications.
September 01, 2016
Understanding Complex-Conjugate Poles in Filter Theory
This technical brief explains the importance of complex-conjugate poles and second-order stages in optimizing filter performance.
August 30, 2016
The Basics Behind Constant-Current LED Drive Circuitry
This technical brief discusses the reasoning behind and implementation of constant-current drive circuitry for illuminating LEDs.
August 23, 2016
Learning About Differential Quadrature Phase Shift Keying (DQPSK) Modulation
This technical brief explains what differential QPSK is and why it can be advantageous compared to ordinary QPSK.
August 22, 2016
Understanding Quadrature Phase Shift Keying (QPSK) Modulation
This technical brief covers the basic characteristics of a digital modulation scheme known as quadrature phase shift keying.
August 17, 2016
The CMOS Transmission Gate
This technical brief presents a simple MOSFET configuration that can be used as a voltage-controlled switch.
August 12, 2016
MOSFET Channel-Length Modulation
This technical brief describes channel-length modulation and how it affects MOSFET current–voltage characteristics.
July 25, 2016
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