electrical-engineering

I have a p-n junction diode(For simplifying,consider it as a stack of array of spherical atoms arranged in a cuboid of length L).Now divide the cuboid into 2 half cuboid each of length L/2 and this partition wil be p-n junction .Consider the event when depletion region is already formed.Now the atoms just touching the junction on one side will be positively charged(n region) and the other side wi…

The symptom: PSC and ARR look right, but the frequency is wrong STM32 timer math is compact enough to fit in one line, yet small assumptions can move a PWM output far from its target. Before changing firmware at random, check the timer clock, the register offsets, and the way you chose PSC and ARR. The examples below use an up-counting, edge-aligned time base. Mistake #1: forgetting both “+1” ter…

Sponsored by Jameco Electronics. Industrial automation keeps asking control cabinets to do more in less space. PLCs, sensors, communication devices, motor controls, safety systems and an ever-growing list of electronics now compete for the same DIN rail real estate, while machine builders and system integrators are simultaneously pushed to shrink enclosures, cut energy use and […] The post The DI…

Can satellites stop relying on imported motors to stay oriented in orbit? Hical Technologies is betting a homegrown component can do the job. Hical Technologies announced the commercial launch and first customer delivery of its indigenously developed Coreless Brushless DC (BLDC) Motor for space applications on, a component India has largely sourced from abroad. The […]

Reviewed by AtlasPCB Engineering Team What FR-4 Actually Is — And What It Is Not Every PCB designer has written "FR-4" on a fabrication drawing. Most assume they are specifying a material. They are not. FR-4 is a grade designation defined by the National Electrical Manufacturers Association under the NEMA LI-1 standard, and it describes a broad class of flame-retardant woven-glass-reinforced epox…

Nature Communications, Published online: 04 September 2026; doi:10.1038/s41467-026-77523-y Ultraviolet detection is critical for monitoring corona discharges in high-voltage power grids. Addressing this, Liu et al. report a low-cost organic solar-blind ultraviolet sensor that detects ultra-weak signals via adaptive, rapid processing, facilitating anti-interference early warnings for smart power s…

Hello, I am currently working on an electromagnetic simulation using a transient magnetic analysis with thermal coupling . I am trying to obtain simulation results for a total simulated time of 60–300 seconds , using a time step of 0.001 s and a write interval of 1000 time steps . The simulation runs successfully for shorter simulation times (for example, 0.05 s ) and with smaller write intervals…

Today’s vehicles demand smarter power management. Discover how conductive polymer hybrid capacitors deliver lower ESR, higher ripple current capability, and longer service life for next-generation automotive electronics.  The modern car is no longer just a vehicle: it is an intelligent computing platform. As an automotive electronics designer, you have to deal with software-defined cars, electrif…

As press-fit is deployed across more applications, PCB interconnects must handle increasing levels of integration, power density and connector density, writes Michael Meckl. Figure 1: Cross-sectional comparison of soldered and […] The post Why press-fit technology continues to expand appeared first on Electronics Weekly .

Bourns has introduced the Bourns® UT-A Series high-temperature power wirewound resistors, which are AEC-Q200 compliant and rated from 1 W to 10 W with resistance values from 10 Ω to 4.5 kΩ. Specified for operation from −55 °C to +150 °C, the resistors offer tolerances as low as ±1%, a standard temperature coefficient of ±30 […] The post High-temperature resistors operate up to 150 °C appeared fir…

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