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Taking apart a wall wart
Topic themes Although in general I strive to cover a diversity of topics here in the blog, regular readers may have noticed that some amount of chronological theme-grouping still goes on. A few years...
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AI-empowered optoelectronics reinvigorates biomedical sensing
Researchers are exploring a combination of optoelectronics components, artificial intelligence (AI), and analog drivers and amplifiers to seek new frontiers in biomedical sensing. Bill Schweber...
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Building a low-cost, precision digital oscilloscope
Editor’s note: In this DI, high school student Tommy Liu modifies a popular low-cost DIY oscilloscope to enhance its input noise rejection and ADC noise with anti-aliasing filtering and IIR filtering....
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PUT a reset in its place
One of my jobs as an engineer was working in the engineering department of an electronic contract manufacturer. Our department designed test equipment for the manufacturing lines, but we also assisted...
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Infineon prepares DTO247-packaged IGBTs
Infineon is developing TRENCHSTOP H7 IGBTs in a DTO247 package, which is twice the size of a standard TO247. A single high-current IGBT in a DTO247 can replace multiple lower-current TO247 IGBTs...
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Intelligent high-side switches manage diverse loads
ST’s four-channel high-side switches, the IPS4140HQ and IPS4140HQ-1, drive resistive, capacitive, and inductive loads with one side connected to ground. The IPS4140HQ handles up to 0.6 A per channel,...
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IR color sensor enhances automotive displays
Vishay’s VEML6046X00 RGB IR sensor is AEC-Q100 qualified for use in vehicle displays and interior lighting. This compact device integrates a photodiode, low-noise amplifier, and 16-bit ADC in an opaque...
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Partners demo 200G multimode VCSEL
Keysight and Coherent showcased 200G-per-lane VCSEL technology at OFC 2025, demonstrating characterization, tuning, and validation. The multimode VCSEL enables higher data transfer rates to meet...
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Fractal Unveils Acoustic Tech to Disable Drones
Fractal Antenna Systems has introduced Acoustic Resonance Mitigation (ARM), a technology that disables drones using directed acoustic energy. ARM emits sonic, ultrasonic, and subsonic waves to induce...
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Flip ON flop OFF without a flip/flop
There’s been a lot of interesting conversation and DI teamwork lately devising circuits for ON/OFF power control using inexpensive momentary-contact switches (See “Related Content” below). Wow the...
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A design platform for swift vision response system – Part 1
Trigger-based vision systems in embedded applications are used in various domains to automate responses based on visual input, typically in real-time. These systems detect specific conditions or...
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The (more) modern drone: Which one(s) do I now own?
Last September, I detailed why I’d decided to hold onto the first-gen DJI Mavic Air drone that I’d bought back in mid-2021 (and DJI had introduced in January 2018), a decision which then prompted me to...
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Optimize power and wakeup latency in swift response vision systems – Part 2
Part 1 of this article series provided a detailed overview of a trigger-based vision system for embedded applications. It also delved into latency measurements of this swift response vision system...
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Semiconductor industry strategy 2025: Semiconductors at the heart of...
Electronics are everywhere. As daily life becomes more digital and more devices become software defined and interconnected, the prevalence of electronics will inevitably rise. Semiconductors are what...
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The transformative force of ultra-wideband (UWB) radar
UWB radar is an augmentation of current ultra-wideband (UWB) ranging techniques. To understand the technical side and potential applications of UWB radar, let’s start at the beginning with the platform...
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FPGA learning made easy with a virtual university program
Altera University aims to affordably and easily introduce students to the world of FPGAs and digital logic programming tools by unveiling the curriculum, tutorials, and lab exercises that bridge the...
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A high-performance current source
The ever innovative and prolific Mr. Woodward has offered “PWM-programmed LM317 constant current source,” an intriguing programmable constant current source which elicited a lively conversation in its...
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A negative current source with PWM input and LM337 output
Figure 1’s negative constant current source has been a textbook application for the LM337 regulator forever (or thereabouts). It precisely maintains a constant output current (Iout) by forcing the...
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Partners build broadband optical SSD
Kioxia, AIO Core, and Kyocera have prototyped a PCIe 5.0-compatible broadband SSD with an optical interface. The trio is developing broadband optical SSD technology for advanced applications requiring...
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High-power switch operates up to 26 GHz
Leveraging Menlo’s Ideal Switch technology, the MM5230 RF switch minimizes insertion loss and provides high power handling in a chip-scale package. The device is a SP4T switch that operates from DC to...
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