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Understanding How Electric Vehicles Convert Battery Power Into Propulsion
How IGBT and SiC based traction inverters use power from the lithium ion battery pack to drive the motors using sinusoidal pulse width modulation.
3
Why We Can't Build Lasers on Silicon
Silicon's Achilles Heel is that its indirect bandgap prevents the implementation of high performance integrated lasers which are much desired in…
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Vikram Sekar
3
Starlink D2C, Tower Si-Pho, LLMs for Chip Design, Ionosphere Maps with Cellphones, Symmetry in IC Design
FCC gives Starlink a green light; 300 mm silicon photonics from Tower; AI driven chip design; using cellphones as earth sensors; tools to ensure…
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Vikram Sekar
5

November 2024

A Short Introduction to Automotive Lidar Technology
A guide to the operating principles, techniques and technology in lidar systems for self driving cars.
2
Tesla’s Big Bet: Cameras over LiDAR for Self Driving Cars
Is Tesla’s camera-first self driving approach better than LiDAR? And what autonomous vehicles can learn from superhuman chess engines.
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Vikram Sekar
6
A Brief History of Timekeeping: Part 2
Atomic, fountain and optical clocks, the quest for sub-1 second accuracy over 30 billion years and everyday uses of atomic clocks.
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Vikram Sekar
4

October 2024

September 2024

Phase Change Materials: Is it the Future of RF Switch Technology?
How a material that acts like glass or metal depending on applied voltage can be used to control the flow of radio frequency signals, and how it…
A Brief History of RF Switch Technology
From PIN diodes, RF MEMS, MESFETs, and HEMTs to RF silicon-on-insulator technology, how the evolution of a circuit as simple as a switch is much more…
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Vikram Sekar
How Foundries Calculate Die Yield
Understanding the metric that Intel used to abandon a whole technology node.
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Vikram Sekar
11
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