Microstrip is a form of transmission line consisting of a conductive trace over a ground plane separated by a dielectric material. The benefit of microstrip is that mounting components is greatly simplified since the conductor is exposed to the space above the dielectric material. The fact that the conductor is exposed also means that there is greater coupling with neighboring traces since the electric field lines must curve back downwards to the ground plane below the dielectric. Calculating the characteristic impedance of the microstrip line is slightly more complicated than for other types of transmission lines due to the fact that the electric fields are partially in air and partially in the dielectric material.

Applied RF Engineering I online (Course 270)


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.

PCB Design Toolkit


Saturn PCB Design, Inc.

Software for Windows PC's with multiple calculators for PC board parameters.

The Saturn PCB Toolkit is the best resource for PCB related calculations you can find.
It incorporates many features that PCB designers and engineers are in regular need of like current capacity of a PCB trace, via current, differential pairs and much more. Please download our PCB Toolkit today for free and enjoy!

Pasternack RF Calculators and Conversions



Pasternack's website offers a large selection of RF calculators and converters available for free for general use.

Pasternack's RF calculators and conversions section provides engineers valuable and easy-to-use tools ranging from complex mathematical formulas to simple conversions. Our RF and microwave calculators and converters will provide the figures you need for your radio frequency engineering needs. RF calculations and RF conversions include metric-standard, link budget, coax cable, power, attenuation, frequency and many more.



Hewlett Packard Semiconductor Group

Free software for Windows that allows you to perform several different system calculations.
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