Waveforms are patterns of signals that propagate through a medium such as water or air, or in the case of electromagnetic radiation, through empty space with no apparent material medium. (It is still not known how this is possible.) Electrical current, of course, can also propagate as a waveform. We call these patterns “waves” because […]
(editor’s note: Intrigued by the problem? Have a question or another solution? Then click the “Read more” link and follow the conversation on EDAboard.com or log in to EDAboard and participate in the analog IC forum threads.) Battery voltage warning – I have 2 circuits. The idea is to show a warning when the battery drops […]
Today, advanced sensing applications in smart phones and automobiles frequently use sensor fusion. However, advanced industrial applications such as sophisticated robots also take advantage of this technology. Sensor fusion is actually a subcategory of data fusion and is also called multisensory data fusion or sensor-data fusion. For location sensing in smart phones the data from […]
(editor’s note: Intrigued by the problem? Have a similar challenge? Have a question or another solution? Then click the “Read more” link and follow the conversation on EDAboard.com or log in to EDAboard and participate in the microcontroller forum thread.) SCR bridge control – I am using a PIC18F4520 to control an SCR bridge. I […]
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It’s a very common challenge in circuits to need to convert an available DC source to a lower or higher voltage. For the high-to-low conversion, one option to use a low dropout regulator (LDO), but how to easily transform a lower voltage into a higher one? For AC voltages, the answer is well-known: use a […]
Many of the abilities that modern digital electronics enable rely on the fact that common processors can perform millions or billions of operations every second. This blindingly fast speed can make it appear that a device is handling many operations at once when in fact, it is rapidly following a sequential set of instructions, often […]
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Energy harvesting (EH) or converting renewable or existing sources of energy to electrical power can occur with several sources including light, heat, and motion providing the input. Photoelectric, thermoelectric, piezoelectric and electrodynamic techniques are well-known and often used to power sensing nodes that transmit data to a central controller. Depending on how much light is […]
Histograms are used to display graphically continuous variables. They are relevant in many areas including digital photography, census data, actuarial statistics and, as we shall see, signal measurements in an oscilloscope. In digital photography, an image histogram is a graphical representation of the tonal distribution. The graph depicts the number of pixels for each tonal […]
Imagineering, Inc. announced recently the release of their valuable new resource: The Printed Circuit Buyer’s Guide to… AS9100 Certification. Authored by Imagineering CEO Khurrum Dhanji, “The Printed Circuit Buyer’s Guide to… AS9100 Certification” is the first book in an ongoing series of micro eBooks specifically dedicated to the education of the PCB design, fabrication and assembly industry. The […]
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The “clock” function is a standard part of nearly every electronic system, with very few exceptions. Behind this simple-sounding, commonplace word, there is an array of complexity and subtlety in definition, performance, and design. Clocks are both vital and ubiquitous, so it is worth understanding the different functions they fulfill, they ways they can be […]
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