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A Brief History of Timekeeping: Part 1
From sundials to quartz oscillators, and how MEMS is trying to take over the quartz market.
Oct 27
9
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A Brief History of Timekeeping: Part 1
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Star Wars: SpaceX vs AST SpaceMobile
A celestial battle between the two companies and their telco partners who are all going pew-pew over out-of-band emissions.
Oct 20
21
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Star Wars: SpaceX vs AST SpaceMobile
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The Promise of Terahertz Technology
THz radiations finds unique applications in astronomy, medicine and communications, but not without its own distinct challenges.
Oct 13
22
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The Promise of Terahertz Technology
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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…
Sep 29
11
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Phase Change Materials: Is it the Future of RF Switch Technology?
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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…
Sep 22
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Vikram Sekar
14
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A Brief History of RF Switch Technology
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How Foundries Calculate Die Yield
Understanding the metric that Intel used to abandon a whole technology node.
Sep 15
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Vikram Sekar
20
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How Foundries Calculate Die Yield
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The Extraordinary Properties of Artificial Metamaterials
Understanding how a class of manmade materials can seemingly defy the laws of physics
Sep 8
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Vikram Sekar
23
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The Extraordinary Properties of Artificial Metamaterials
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How Origami-Inspired Phased Arrays are Reshaping the Future of Antennas
Folding antennas into different shapes to create near infinite radiation patterns.
Sep 1
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Vikram Sekar
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Hani Al Jamal
17
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How Origami-Inspired Phased Arrays are Reshaping the Future of Antennas
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August 2024
ABCs of Power Amplifier Classes: Class AB and C
How operating in Class AB can overcome cross-over distortion in Class B push-pull amplifiers, getting near 100% efficiency in Class C, and understanding…
Aug 25
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Vikram Sekar
9
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ABCs of Power Amplifier Classes: Class AB and C
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ABCs of Power Amplifier Classes: Class B
Trading off amplifier linearity for better efficiency, why harmonic traps are needed, how push-pull architecture is used for broadband circuits, and the…
Aug 18
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Vikram Sekar
6
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ABCs of Power Amplifier Classes: Class B
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ABCs of Power Amplifier Classes: Class A
Design, operation and characteristics of the most linear amplifier class of all.
Aug 11
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Vikram Sekar
18
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ABCs of Power Amplifier Classes: Class A
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July 2024
ABCs of Power Amplifier Classes: Foundations
Basic concepts required to understand classes of operation in power amplifiers.
Jul 21
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Vikram Sekar
31
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ABCs of Power Amplifier Classes: Foundations
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