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February 21, 2018
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Microwave Encyclopedia

Our searchable on-line microwave encyclopedia predates Wikipedia and offers something you won't find there: an index of over 500 separate pages of our own content. Something missing or incorrect? Show how much you know by telling us about it.

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1-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z


Here you’ll find Excel spreadsheets for complicated analyses plus some great public domain documents. Have something to share? Send it in and we'll consider posting it.


What's New?

The most recent additions to this site are summarized here. To receive email updates, subscribe to the MW101Stuff monthly newsletter.


Microwave Acronyms

Hundreds of industry acronyms are explained here. We’ve got them all.

Index view

Microwave Hall of Fame

Here's an introduction to some of the innovators upon whose broad shoulders you stand when you work in the microwave industry.

Part 1, Part 2, Part 3

Microwave Mortuary

A collection of microwave technology failures, mistakes and oddities sent in to us by your peers.



This is a list of other web sites with good microwave engineering content.


View MTT Education Committee Award-Winning Videos
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Discussion Board

Join the international conversation on a broad range of microwave and RF topics. Learn about the latest developments in our industry and post questions for your peers to answer.

The Unknown Editor

Boring Travel Stories

In the old days meant your grandfather set up a slide projector and gave an actual lecture about where he'd been.  My grandfather often was paid for such entertainment, or on occasion he bartered his skills to get a free berth on a trans-ocean ship which were a common and often luxurious means of transportation up until the 1970s.  in 1978 the United States passed the Airline Deregulation Act, the beginning of when travelers traded luxury for low cost.  Sorry, there is no going back!


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Listen to experts discuss the latest developments in our field. A new one-hour webinar is added monthly.



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Join IEEE and become a part of the largest technical-professional association in the world. Your membership in IEEE also gives you the opportunity to join the Microwave Theory and Techniques Society (MTT-S).

MTT-S is an international organization with more than 11,000 members and 150 chapters worldwide. The society promotes the advancement of microwave theory and its applications, including RF, microwave, millimeter-wave, and terahertz technologies.

More about IEEE membership

Rules of Thumb

Sometimes complex behavior can be interpreted in three seconds if you are familiar with our Rules of Thumb. A microwave Rules of Thumb could be an inexact but notable relationship of one or more design parameters with performance, or it could just be an easy way to remember something that other, lesser people often mix up.


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