Vik's Newsletter

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Analog, Wireless and RF

IMS 2025: Why LEO Satellite Markets Are Brutally Exclusive and What to Do About It
With $10 billion dollars of investment required, are we really revolutionizing low-earth orbit (LEO) communication technology or merely adding to space…
 • 
Vikram Sekar
Using AI to Break the Black Magic of RF Design
New research funding and emerging tools are setting a new standard for design.
 • 
Vikram Sekar
Why 50 Ohms Became the RF Standard
The history, physics, and practical trade-offs behind a number every RF engineer knows.
 • 
Vikram Sekar
6
The Gigabit Wall: No More Need for Speed
No, we don't need mobile data rates faster than 1 Gb/s and three upcoming wireless technologies that are actively focused on features other than speed.
 • 
Vikram Sekar
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.
 • 
Vikram Sekar
4
A Brief History of Timekeeping: Part 1
From sundials to quartz oscillators, and how MEMS is trying to take over the quartz market.
6
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.
8
The Promise of Terahertz Technology
THz radiations finds unique applications in astronomy, medicine and communications, but not without its own distinct challenges.
2
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…
 • 
Vikram Sekar
The Extraordinary Properties of Artificial Metamaterials
Understanding how a class of manmade materials can seemingly defy the laws of physics
 • 
Vikram Sekar
8
How Origami-Inspired Phased Arrays are Reshaping the Future of Antennas
Folding antennas into different shapes to create near infinite radiation patterns.
 • 
Vikram Sekar
 and 
Hani Al Jamal
© 2025 Vikram Sekar
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