An EMC test is known as Electromagnetic compatibility, a certification for electronic devices to maintain their limitation of electromagnetic waves. … [Read More...] about What are some common EMI/EMC tests?
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The basics: What is EMC?
EMC stands for Electromagnetic compatibility, which means that a device is compatible with (i.e., no interference is caused by) its electromagnetic … [Read More...] about The basics: What is EMC?
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Tolerance analysis distinguishes prototypes from production units
It’s not enough to model and simulate circuit behavior – you also have to investigate the effects of component variations from their nominal values due to unavoidable tolerances. There’s a … [Read More...] about Tolerance analysis distinguishes prototypes from production units
The practical magical first-order analog filter: Part 1
Finding the right analog filter to build a sensor circuit doesn’t have to be complicated. Understandably, the plethora of filter options can be overwhelming. Also, selecting a less-than-ideal filter … [Read More...] about The practical magical first-order analog filter: Part 1
An overview of filters and their parameters, Part 4: Time and phase issues
Understanding how filters are characterized is the first step in choosing an appropriate topology with suitable specifications. Thus far, we have focused on filters primarily in terms of their … [Read More...] about An overview of filters and their parameters, Part 4: Time and phase issues
An overview of filters and their parameters, Part 1: Context
Understanding how filters are characterized is the first step in choosing an appropriate topology with suitable specifications. Mention “filters” to electrical engineers of the older persuasion, … [Read More...] about An overview of filters and their parameters, Part 1: Context
A look at intrinsic broadband noise spectral density
You can think of noise as an unwanted signal. This signal creates an error by combining with the desired signal in your circuit. Exterior sources can couple into your circuits, such as your 50 or 60 … [Read More...] about A look at intrinsic broadband noise spectral density
Squash 1/f noise with zero-drift amplifiers
There is a device that squashes all the 1/f voltage and current noise calculations with a chopper amplifier algorithm that corrects offset and drift characteristics. These amplifiers are zero-drift, … [Read More...] about Squash 1/f noise with zero-drift amplifiers
Free-space optical links, Part 1: Principles
Free-space optical links provide a reliable, cost-effective, and quick way to link two fixed communication nodes located a few kilometers apart. When engineers think of “optical data links” or … [Read More...] about Free-space optical links, Part 1: Principles
What are the applications of 3D and 4D printed electronics?
3D printing is the fabrication of a three-dimensional object under computer control, with one or more materials being added layer by layer. 3D printing, or additive manufacturing, is used across … [Read More...] about What are the applications of 3D and 4D printed electronics?
Including the often overlooked 1/f current noise
It is tempting to center your attention only on voltage noise when using operational amplifiers in the circuit. This impulse is attractive because the current noise is always well below the voltage … [Read More...] about Including the often overlooked 1/f current noise
Audio filters: Understanding sound waves – Part 1
Audio electronics is a sector that refers to the circuit design that converts sound into electrical signals or electrical signals back into sound. Together, several circuits form an audio system. An … [Read More...] about Audio filters: Understanding sound waves – Part 1
Bug Hunt! Spiraling in on formal coverage closure
By Ping Yeung Ph.D., Principal Engineer, Siemens EDA Many companies have used formal verification to verify complex SoCs [1][2] and safety-critical designs. Using formal verification to confirm … [Read More...] about Bug Hunt! Spiraling in on formal coverage closure
VSWR and impedance, Part 5: Making a match
Understanding the role and implications of impedance in RF transmission lines and antennas is vital to successful system performance. The importance of impedance matching, minimizing reflections, … [Read More...] about VSWR and impedance, Part 5: Making a match
Negotiate through 1/f noise challenges towards sample sizes into the 100s of years
Measuring and determining 1/f voltage noise over a multiple-year sample requires an operational amplifier and effective 1/f knowledge. This article shows how to identify and determine the actual op … [Read More...] about Negotiate through 1/f noise challenges towards sample sizes into the 100s of years
Sigma Delta ADC vs. SAR vs. Pipeline: How to Choose
Assuming that you are familiar with the fundamental specifications of an ADC and what they mean, the next step is to know your entire signal chain well and then work to fit the ADC to the … [Read More...] about Sigma Delta ADC vs. SAR vs. Pipeline: How to Choose
Stress & Strain, Part 2: Implications for electronics
The mechanical strain induced on electronic components due to mechanical and thermal stress is an important aspect of their performance consistency and limitations; stress is also used to enable some … [Read More...] about Stress & Strain, Part 2: Implications for electronics
