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Test & Measurement
How to Measure Noise in Switch-Mode Power Supplies (SMPSs)
Noise on switch mode power supplies (SMPSs) sometimes gets a bum rap.
November 12, 2018
Which Via Should I Choose? A Guide to Vias in PCB Design
How much do you really know about vias, one of the building blocks of PCB design?
November 07, 2018
What Is Inductance and How Does It Apply to Ground Bounce?
Why you should care about even small amounts of inductance.
November 06, 2018
Understanding the Virtual Short in Op Amp Circuits
This article explains and discusses an important simplification technique used in op amp analysis.
November 05, 2018
Schematic Symbols for Electronic Components: Transistors
This two-article series presents an overview of circuit symbols and also provides some information on the components themselves.
November 01, 2018
Electrical Symbols for Electronic Components: Passive Components
This two-article series provides an overview of circuit symbols, along with some information on the components that they represent.
October 31, 2018
How to Reduce Ground Bounce: Mitigating Noise with PCB Design Best Practices
Learn what ground bounce is and how you can avoid it with design decisions from PCB layout to programming.
October 29, 2018
The Path of Least Impedance: How to Use Return Paths for Better PCB Design
High-speed signals don't follow the path of least resistance; they follow the path of least impedance.
October 26, 2018
Power Systems and Battery Chemistries Used in Electric Vehicles
This article provides an introduction to the characteristics and requirements of EV battery systems.
October 25, 2018
How to Design Charge Amplifiers for Piezoelectric Sensors
This article explores charge-amplifier design details, including ESD protection and frequency response.
October 23, 2018
Understanding and Implementing Charge Amplifiers for Piezoelectric Sensor Systems
In this article we’ll explore a circuit that produces an output voltage proportional to the charge generated by a piezoelectric transducer....
October 22, 2018
Use It Or Lose It? What Should You Do with Non-Functional Pads?
Circuit board stacks of four or more layers often have through vias that attach to pads on layers where there is no electrical connection. Should those non-function pads stay, or should they...
October 18, 2018
Intro Software Walkthrough: Fast Fourier Transforms and the Xilinx FFT IP Core
This article will explain some of the most important settings and design parameters for the Xilinx FFT IP core and function as a basic walkthrough of the Fast Fourier Transform interface....
October 17, 2018
Understanding and Modeling Piezoelectric Sensors
This article explains some theory behind piezoelectric sensors and presents an equivalent circuit that you can use when you’re designing sensor systems....
October 15, 2018
How to Use Your Computer to Generate Complex Analog Waveforms
This article presents Scilab code that allows you to generate I/Q, noise, and chirp signals from your PC’s headphone jack.
October 11, 2018
How to Use Your Computer as an Arbitrary Waveform Generator
In this article, we’ll use Scilab to generate numerical signals that can be converted into analog waveforms by a computer’s audio hardware....
October 08, 2018
Introduction to Clock Domain Crossing: Double Flopping
This article will discuss a well-known technique called “double flopping” to transfer a single-bit control signal between two clock domains....
October 05, 2018
How to Process I/Q Signals in a Software-Defined RF Receiver
This article discusses the mathematical significance of I/Q signals and presents the final steps in the DSP algorithm for decoding frequency-shift-keying baseband signals....
October 04, 2018
What Is a PLC? An Introduction to Programmable Logic Controllers
What is a PLC? This article will lay out a succinct definition of what a programmable logic controller is and lay out its basic components....
October 03, 2018
Stephen St. Michael
How to Use I/Q Signals to Design a Robust FSK Decoder
An improved algorithm, in conjunction with quadrature modulation, can achieve FSK decoding that is not affected by phase misalignment.
October 01, 2018
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