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Basic considerations for electronic impulse relay DIY
Interested in DIY a simple electronic impulse relay module? T. K. Hareendran designs an impulse relay circuit that mimics the functions of a conventional electromechanical impulse relay. This module...
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Accelerating silicon carbide (SiC) manufacturing with big data platforms
For decades, we heard silicon was the only answer. However, while the world’s largest fabs were busy taping out silicon, the communities of engineers and scientists working on non-silicon technologies...
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Revisited: Three discretes suffice to interface PWM to switching regulators
The typical regulator output network Many voltage regulator chips, both linear and switching, use the same basic two-resistor network for output voltage programming. Figure 1 illustrates this feature...
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Dry film photoresist enables fine circuit formation
Asahi Kasei has developed the Sunfort TA series of dry film photoresist for next-generation semiconductor packages requiring circuit patterns with line/space widths of 2/2 µm or less. The film offers...
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Power doublers enable smooth DOCSIS 4.0 upgrades
Qorvo’s QPA3311 and QPA3316 hybrid power doubler amplifiers are optimized for DOCSIS 4.0 downstream operations up to 1.8 GHz. They support the transition to Unified DOCSIS and smart amplifier...
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IC safeguards NFC communication
The NTAG X DNA from NXP is an ISO/IEC 14443-4 Type 4 NFC tag that enables secure authentication of NFC-enabled mobile devices. It features 16 kB of memory, high-speed data transfer, and Secure Unique...
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Antenna-matching ICs cut RF design complexity
ST offers three antenna-matching companion chips for STM32WL33 wireless MCUs to help streamline the development of IoT, smart metering, and remote monitoring systems. The MLPF-WL-01D3, MLPF-WL-02D3,...
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Wireless SoCs drive IoT efficiency
Built on a 22-nm process, Silicon Labs’ SiXG301 and SiXG302 wireless SoCs deliver improved compute performance and energy efficiency. As the first members of the Series 3 portfolio, they target both...
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Designing power supplies for industrial functional safety, Part 1
A power supply unit is one of the most crucial components in an electronics system, as its operation can affect the entire system’s functionality. In the context of industrial functional safety, as in...
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The 2025 Google I/O conference: A deft AI pivot sustains the company’s relevance
The fundamental difference between Microsoft and Google’s dueling mid-May keynotes this year comes down sizzle versus steak. And that isn’t just my opinion; I can even quantify the disparity that...
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Basic design considerations for anti-tampering circuits
Tamper detection devices, commonly built around switches and sensors, employ several techniques according to design specifications and operating environments. T. K. Hareendran examines several...
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Power amplifiers that oscillate—deliberately. Part 1: A simple start.
Editor’s Note: This DI is a two-part series. In Part 1, Nick Cornford deliberately oscillates the TDA7052A audio power amplifier to produce a siren-like sound and, given the device’s distortion...
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GMSL video link’s quest to become open automotive standard
The Gigabit Multimedia Serial Link (GMSL) technology of Analog Devices Inc. (ADI) is finally heading down the standardization path with the inception of the OpenGMSL Association, a non-profit entity...
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The analog-centric timing world takes a digital turn
The analog-based timing semiconductor world, comprising crystals and phase-lock loops (PLLs), is facing a conundrum. While crystals provide higher performance at lower frequencies, PLLs accommodate...
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New AI networking switch breaks the 100-Tbps barrier
The need for unified networks serving artificial intelligence (AI) training and inference is reaching an unprecedented scale. Broadcom’s answer: The Tomahawk 6 switch delivers 102.4 Tbs of switching...
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Seeing inside entry-level audiophile desire: Monoprice’s Liquid Spark...
My audio gear Back in July 2019, I told you about the combo of Massdrop’s x Grace Design Standard DAC: and its companion Massdrop Objective 2 Headphone Amp: Desktop Edition (Massdrop is now just Drop,...
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10-octave linear-in-pitch VCO with buffered tri-wave output
Frequent contributor Nick Cornford recently assembled an ensemble of cool circuit designs incorporating linear-in-pitch VCOs (LPVCOs). “A pitch-linear VCO, part 1: Getting it going” “A pitch-linear...
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A quick and practical view of USB Power Delivery (USB-PD) design
USB Power Delivery (USB-PD) now offers faster, more efficient, and more versatile power handling solutions. As we can all see, it’s an exciting advancement that significantly enhances the capabilities...
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Powerline module enables EV charger data links
Comtrend’s PM-1540 powerline data module uses MaxLinear’s G.hn (data-over-powerline) chips to support backend communication in EV charging stations. It transmits data from power meters over existing...
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Motor gate drivers enable flexible current control
Two integrated gate drivers from ST provide programmable current control for driving three-phase brushless motors in consumer and industrial equipment. Operating from 6 V to 50 V, the STDRIVE102H...
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