Rex Frobenius

Rex Frobenius has been working at Besser Associates for over 20 years, where he is VP of Engineering and co-owner. To date he has presented nearly one hundred courses to over one thousand students in the United States, Europe, and Asia. His main focus has been course development for linear RF circuit design and test and measurement courses, with his latest project having been the online RF Technology Certification program. He has been the co-author of several articles and has co-authored the text "RF Measurements for Cellular Phones and Wireless Data Systems" with Al Scott. Working for Besser Associates has given Rex the unique opportunity to be mentored by many of the industry's leading engineers including company founder Les Besser. He received his BSEE from UC Davis and also has a BA in Rhetoric from UC Berkeley, which makes him uniquely qualified to develop and present materials for training in the RF industry. Rex has developed several Java-based RF-related utility applets which are featured in Besser training courses and available for free on the Bessernet.com website.

Self-study Guide (prototype): RF Small-Signal Amplifiers (LNA)

Author: 

Rex Frobenius

Take a look at an early prototype open courseware/study guide that relies on reading assignments from a text together with online guides and exercises using a freeware RF simulator. We are judging the level of interest among users here on RFMentor.com and your feedback is appreciated. You will need a free account to access the material.

Online RF Technology Certification

Author: 

Besser Associates

This online program has been designed for applications, production, manufacturing engineers and technicians as well as other professionals who need to have a solid background in the fundamentals of working with RF and wireless products. This four part program provides a thorough understanding of RF analytical tools, communications signals, RF devices and test instruments. Starting with basic analytical tools such as the decibel scale, S-parameters and the Smith Chart, this program covers test instrumentation, RF components, and modulation.

Applied RF Engineering I online (Course 270)

Author: 

Besser Associates

Based on Les Besser's famous RF course material, this program has been reworked and updated to meet the needs of today's engineers looking for online self-paced study. Video lectures are followed by our exclusive online workbooks featuring interactive problem sets and quizzes along with optional supplemental reading for those who wish to explore topics in more depth. This course is the first part of an RF Engineering Certificate program currently under development by Besser Associates.

Smith Chart Matching Web App

Author: 

Rex Frobenius

Update November 2021: log-in no longer required to use this web app!

Use this handy Smith Chart web app to create matching networks. Easiest tool to use: drag elements right on the chart! Supports multiple frequencies, transmission line elements, etc. Note: please register for a free account for continued access to the Smith Chart app.  

New HTML 5 Version Now Available A new version of the popular Smith Chart app that does not require any plug-in has now replaced the older Java applet version.

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