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Single-supply single-ended input to pseudo class A/B differential output amp
From the micromixer topology by Barrie Gilbert [1], this amplifier allows a single-ended input to be converted to a Class A/B current output from a single supply. Wow the engineering world with your...
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Pat Gelsinger: Return of the engineer CEO that wasn’t
After more than three years at the helm, Intel’s charismatic and ambitious chief Pat Gelsinger has stepped down and the faltering American semiconductor icon is starting to look for his replacement....
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Walmart’s onn. FHD streaming stick: Still Android TV, but less thick
Within the introduction to my July 2024 teardown of Walmart’s first-generation onn. Android TV 4K UHD Streaming Device, I also alluded to “a FHD “stick” sibling” that was also “queued up on the...
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∆Vbe bread dough incubator
I was surprised recently when a (nearly) two-decade-old design idea of mine for take-back-half temperature control got a question from reader John Louis Waugaman. John says he needs a way to control...
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Portable 5G transmitter streams live video
DragonFly V 5G is Vislink’s bonded cellular miniature transmitter with 5G connectivity and HD video streaming capabilities. The device supports public and private 5G networks, delivering live...
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Shunt monitors detect vehicle currents
ZXCT18xQ automotive current shunt monitors from Diodes measure small sense voltages across common-mode voltages up to 26 V. Operating from a 2.7-V to 5.5-V supply, these AEC-Q100 qualified...
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Tiny Hall element delivers InAs sensitivity
The HQ0A11, an indium arsenide (InAs) Hall element from AKM, is the smallest and thinnest in the company’s high-sensitivity HQ series. At just 0.8×0.4×0.23 mm, the HQ0A11 reduces volume by 85% compared...
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MPU controls multi-axis motors in real time
Renesas’s RZ/T2H microprocessor, its most advanced for industrial equipment, enables precise control of robot motors with up to nine axes. The device’s application processing and real-time performance...
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Wireless combo modules offer global connectivity
Silicon Labs’ SiWx917Y series of Wi-Fi 6 and Bluetooth LE 5.4 modules provides plug-and-play simplicity with global RF certifications, helping to accelerate development. Intended for battery-powered...
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Beauty is in the eye of the beholder
Take a close look at this power audio amplifier that dates back to 1961 (Figure 1). This image is a still extracted from a YouTube video by a group called “The Spotnicks” playing their version of...
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What’s LVGL, and how it works in embedded designs
Light and Versatile Graphics Library (LVGL) is steadily making inroads in the graphics realm by efficiently facilitating graphical user interface (GUI) designs in small, resource-constrained, and...
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The Blink Mini: AC-powered indoor camera-based security
One portion—battery-operated outdoor-optimized devices—of Blink’s security camera product line (bought by Amazon in December 2017, followed shortly thereafter by Amazon’s acquisition of Ring, and with...
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Oscilloscope probing your satellite
Debugging space electronics When designing space electronics, particularly during the early prototyping stage or if qualification or flight hardware doesn’t function as intended, the humble...
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Profile of an MCU promising AI at the tiny edge
The common misconception about artificial intelligence (AI) often relates this up-and-coming technology to data center and high-performance compute (HPC) applications. This is no longer true, says Tom...
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The Google Chromecast Gen 2 (2015): A form factor redesign with beefier...
In mid-2023, Google subtly signaled that its first-generation Chromecast A/V streaming receiver, originally introduced in 2013, had reached the end of the support road. I’d already tore one down, but I...
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Understanding currents in DC/DC buck converter input capacitors
All buck converters need capacitors on the input. Actually, in a perfect world, if the supply had zero output impedance and infinite current capacity and the tracks had zero resistance or inductance,...
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Synthesize precision bipolar Dpot rheostats
The ubiquitous variable resistance circuit network shown in Figure 1… Figure 1 Classic adjustable resistance; Rmax = Rs + Rr; Rmin = Rs. …can be accurately synthesized in solid state circuitry built...
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Multichannel driver enhances automotive lighting
With 36 programmable LED current channels, the AL5887Q from Diodes drives up to 12 RGB configurations or 36 individual LEDs. The automotive-compliant linear driver provides a hardware-selectable I2C or...
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Multiphase PWM controller powers Blackwell GPUs
A 4-phase PWM controller from AOS, paired with industry-standard DrMOS power stages, boosts system efficiency for NVIDIA Blackwell GPU platforms. The AOZ73004CQI, which powers AI servers and graphics...
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Multiprotocol wireless SoC is Matter-compliant
Joining Synaptics’ Veros IoT connectivity family is the SYN20708, a dual-core SoC that supports Bluetooth 5.4 and IEEE 802.15.4. The Matter-compliant chip enables Bluetooth Classic, Bluetooth Low...
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