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How To Get The Most Power While Being Cool To The Touch
By Robin Bornoff - 09 Jul, 2015 - Comments: 0

Traditional electronics thermal management in high power applications such as telecommunication, networking, and computing involves keeping the operating junction temperatures at, or below, maximum rated values for the intended application, often with fans, blowers, heatsinks, etc. Mobile consumer electronics also have to be thermally managed to ensure that when a person uses the product, ‘to... » read more

The Old Two-Step Just Doesn’t Have That Swing
By Lauro Rizzatti - 16 Jun, 2015 - Comments: 0

Power analysis has quickly become equally as important as functional verification for today's power-hungry SoCs. Yet, until now, it was not possible to fully analyze dynamic power in very large SoCs running embedded software. That day has finally arrived with new emulation platform software that overcomes the intrinsic shortcomings of the current two-step power estimation tools. The current ... » read more

Correct-By-Design Methodology Requires Carefully Defined Constraints
By John McMillan - 14 May, 2015 - Comments: 0

Since the dawn of PCB usage, constraints have been an important part of the design. What are the dimensions? What weight of copper? Now, constraints have become much more than just physical dimensions. The most important constraints are defined by the design requirements of differential pairs, BGAs, low voltage devices, and high-speed parallel interfaces. The cost of rework skyrockets the fu... » read more

The Power Estimation Challenge
By Lauro Rizzatti - 09 Apr, 2015 - Comments: 0

If you wonder how important low power is in chip design today, consider the recent news in the blogosphere reporting the controversy surrounding Qualcomm’s Snapdragon 810 SoC — the company’s first flagship 64-bit chip, which will most likely power the top Android devices released in 2015. The story broke in early December along the lines that the 810 had problems with overheating. Whet... » read more

Modeling High-Performance Analog And RF Circuits In Nanometer-Scale CMOS
By Mentor, a Siemens Business - 12 Mar, 2015 - Comments: 0

By Mick Tegethoff and David Lee Today’s consumer, communication, and computer electronic devices have clocks, communication interfaces, and high-speed signal-conditioning circuits that operate at radio frequencies (RF). Providing price-competitive products often requires monolithic integration of these circuits in low-power nanometer-scale bulk CMOS silicon. This is a worst-case scenario for... » read more

Calibrating Electronics Thermal Simulation Models
By Robin Bornoff - 12 Feb, 2015 - Comments: 0

‘Rubbish In, Rubbish Out’ is a common and well-accepted fact in the world of thermal simulation—actually any type of simulation, for that matter. Regardless of the technical capabilities of your thermal simulation tool, the accuracy of prediction will always be tightly coupled to the accuracy of the input data. In terms of electronics thermal simulation, the prediction of the internal ... » read more

IGBT Power Cycling And Lifetime Testing
By Mathew Clark - 15 Jan, 2015 - Comments: 0

I have never been very good at introducing topics. During my presentations, I either jump directly into the subject matter, or start with a joke. My mom always said I could be a stand-up comedian. I prefer to sit. Oddly, that led me to becoming an engineer. And while this introduction does not lead me any closer to my actual topic, I presume some people rolled their eyes back and crossed their ... » read more

User Case Study
By Joseph Hupcey III - 06 Nov, 2014 - Comments: 0

Whenever more than one clock is employed in an SoC (which is all SoCs), the risk of errors from clock domain crossings (CDC) – signals (or groups of signals) that are generated in one clock domain and consumed in another – is incredibly high. Unfortunately, CDC bugs are nearly impossible to catch with conventional simulations. Thus, all too often they escape into silicon. Debugging them in ... » read more

Extending Power Analysis To The Emulation of Complex SoCs
By Jim Kenney - 11 Sep, 2014 - Comments: 0

Using hardware emulation to estimate SoC power consumption delivers significant value. Emulators are capable of long runs on large designs, making it practical to emulate an RTOS boot sequence or graphics processing of multiple frames. Estimating power consumption of these advanced functions executing across the complete SoC provides valuable insight into the chip’s power draw and its impact ... » read more

The Revolution Will Not Be Televised: It Will Be On Your Phone
By Rizwan Farooq - 07 Aug, 2014 - Comments: 1

The advent of smart devices has ushered in a revolution all over the world. The most widely used smart device is the mobile phone, which has radically changed the way we communicate. There are many other types of devices running 24/7 in our homes, hospitals, businesses, etc. No matter what kind of functionality smart devices have, they have one thing in common: they all consume energy. They ... » read more

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