Новини світу мікро- та наноелектроніки

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Tried to unsolder a power jack (simple task) soldered new one not properly, tried to fix it and now screwed up. Going to try and clean the copper off and see what I can do. submitted by /u/irontamoor [link] [comments]

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The output power and efficiency of a power amplifier (PA) are highly dependent on its load terminations. Learn how to characterize a PA's performance by analyzing load lines and estimating the load-pull contours of constant output power.

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As automobiles get more complex, the "Advanced SoC Research for Automotive" (ASRA) initiative teams up a dozen automotive, electrical, and semiconductor companies to further develop automotive SoCs.

Made this clock from some old Nixie tubes I found. Not that great with woodworking any recommendations to make it look nicer? submitted by /u/sdtanna [link] [comments]

I learned to drive in 1966 when I lived in Nashua, New Hampshire. At that time, it was a major traffic violation to drive a car with “dazzling lights”. That piece of common sense seems to no longer apply in this modern era.

This front-page article in Figure 1 was recently published in our local newspaper, Newsday.

Figure 1 Front page of a recent issue of Newsday highlighting the hazards of bright LED headlights.

The article’s author describes the extremely dangerous issue of visual interference being experienced by drivers here on Long Island, but elsewhere as well in my own opinion.

Just as an example, this second image in Figure 2 was captured in a local diner. I was having dinner, and I could see my chicken cutlet, but the visual impact of high brightness LEDs from a nearby business is self evident.

Figure 2 The glare from high brightness headlights in a local Long Island diner.

I wrote an e-mail to the Newsday article’s author as shown below. I allowed myself to vent a little, but the issue is of grave concern to me. The email can be seen in Figure 3.

Figure 3 A letter from myself (John Dunn) to the editor of the “Glaring Issue on LI Road” article published in Newsday.

There is another LED abuse being committed by some homeowners as illustrated below in Figure 4.

Figure 4 Abusive lighting from nearby home blinding neighbors, pedestrians, and passing traffic.

This form of abuse has been enabled by the ready availability at Home Depot, Ace Hardware and so forth, of LED light sources with 5000°K color temperature. Light being emitted from such fixtures can be highly penetrating and intrusive. By comparison, LED illumination at a color temperature of 2700°K to 2800°K approximates the color temperature delivered by an incandescent lamp. Such lighting doesn’t tend to cause visual stress.

The lights shown in Figure 4 have are being turned on roughly an hour after sunset and are allowed to remain lit until 10 or 11 PM. If they were any part of a security system, they would be lit all through the night to facilitate camera imaging, but they’re not. For a variety of unrelated reasons, I submit that these lights are being used as a tool for neighborly harassment.

To me, this is a form of trespass, but there is no way of my awareness to restrain such behavior. With merely the flick of a switch, the glaring light is imposed on its intended victim. To my knowledge, there are no laws governing such misanthropy and even if there were such laws, there would be no way to achieve effective enforcement.

The only practical remediation I can imagine would be the discontinuation of 5000 °K LED products. Quartz halogen lamps and high wattage incandescent lamps have been recently discontinued for good reasons so I see no reason why that logic should not be further applied.

John Dunn is an electronics consultant, and a graduate of The Polytechnic Institute of Brooklyn (BSEE) and of New York University (MSEE).

Related Content

• The headlights and turn signal design blunder
• Headlights and turn signals, part two
• The ‘too brights’
• LED tail lights
• Preventing deformed light-bulb filaments

The post The dangers of light glare from high-brightness LEDs appeared first on EDN.

STMicroelectronics, a global semiconductor leader serving customers across the spectrum of electronics applications, announced today that it will release its fourth quarter and full year 2023 earnings before the opening of trading on the European Stock Exchanges on Thursday, January 25, 2024.

The press release will be available immediately after the release on the Company’s website at  www.st.com.

STMicroelectronics will conduct a conference call with analysts, investors and reporters to discuss its fourth quarter and full year 2023 financial results and current business outlook on January 25, 2024, at 9:30 a.m. Central European Time (CET) / 3:30 a.m. U.S. Eastern Time (ET).

 A live webcast (listen-only mode) of the conference call will be accessible at ST’s website, https://investors.st.com, and will be available for replay until February 9, 2024.

The post STMicroelectronics Announces Timing for Fourth Quarter and Full Year 2023 Earnings Release and Conference Call appeared first on ELE Times.

Kopin Corp of Westborough, MA, USA (a provider of application-specific optical systems and micro-displays for defense, enterprise, consumer and medical products) and MICLEDI Microdisplays B.V. of Leuven, Belgium — a fabless developer of micro-LED display modules for augmented reality (AR) glasses that was spun off from nanoelectronics research center IMEC in 2019 — have announced a strategic agreement to work together to design, develop and manufacture micro-LED displays to provide a more immersive and information-rich AR experience for use in high-brightness light conditions...

These certifications highlight Servokon Systems’ firm commitment to quality standards

In a momentous accomplishment, the Central Power Research Institute (CPRI) Bhopal, a prominent third-party organisation under the Ministry of Power, Govt. of India, has awarded Servokon Systems Limited with Type Tests & Special Tests certificates on 5 MVA (33/11Kv) Power Transformer. The successful completion of Type Tests & Special Tests on a transformer of this high rating highlights Servokon’s pioneering achievement, a testament to the strength of domestic manufacturing and engineering capabilities. This milestone not only marks a significant achievement for Servokon, standing as an impressive technical feat within the industry, but it also coincides with the company’s wholehearted embrace of the new year, symbolizing a rejuvenated beginning and auspicious prospects.

Mr. Haji Kamruddin, Founder and Managing Director of Servokon Systems Limited, expressed his satisfaction, stating, “Receiving Type Tests & Special Tests certificates on the 5 MVA (33/11Kv) Power Transformer from CPRI Bhopal is a testament to our dedication to delivering reliable and high-performance power transformers. These certifications reinforce Servokon’s position as India’s leading power conditioning equipment and transformer manufacturer. Obtaining these certificates from CPRI, whose reputation and international standing further emphasise our commitment to excellence, contributes to buyer confidence.”

He further highlighted, “It assures our customers, including State Electricity Boards, Government PSUs electrical contractors and project specifiers, that our products meet stringent quality standards and are deemed safe. As the demand for certified products rises, Servokon takes pride in reducing product liability risks and fulfilling regulatory obligations, ensuring our clients receive the highest-quality goods. Our dedication to maintaining a reputable standing further solidifies Servokon’s position as a trusted industry player.”

5 MVA (33-11Kv) Power Transformer by Servokon Systems Limited

Servokon’s CPRI-approved 5 MVA (33/11Kv) power transformer is poised to substantially impact India’s energy landscape. This milestone aligns with the Ministry of Power’s Revamped Distribution Sector Scheme (RDSS), addressing discoms’ challenges and supporting economic growth, environmental sustainability, and the vision of Prime Minister Shri Narendra Modi’s Viksit Bharat @2047 as India embarks on a journey towards energy independence. Servokon’s contribution strengthens India’s power sector, aligning seamlessly with the nation’s journey towards becoming a developed nation by its 100th year of independence.

The CPRI Bhopal, a distinguished third-party entity operating under the Ministry of Power, Govt. of India, bestowed Servokon Systems Limited. with the prestigious Type Tests & Special Tests certificates for the 5 MVA (33/11Kv) Power Transformer. This milestone is a testament to Servokon’s pioneering strides in domestic manufacturing and engineering competencies. The successful completion of tests on a transformer of this high rating stands as a testament to Servokon’s technical prowess and dedication to excellence.

Servokon Systems Limited continues to lead the way in setting benchmarks for quality and reliability in the power transformer industry. This certification from CPRI Bhopal serves as a testament to their unwavering commitment to excellence and innovation.

The post Servokon Systems Limited Successfully Completed Type Tests and Special Tests on 5 MVA (33/11Kv) Power Transformer from CPRI Bhopal appeared first on ELE Times.