Tech Paper/Article

A technical paper or article from a magazine or other publication. These usually describe new or experimental techniques, materials, devices, etc.

Coaxial Connector Frequencies


Jean-Jacques DeLisle

Coaxial cable connectors are a fundamental component for interfacing with RF devices up to hundreds of gigahertz. The frequency handling capability of coaxial connectors is based upon the dimensions of the inner and outer conductors, as well as the quality of precision in which the parts of the coaxial connector are constructed. Coaxial connectors are generally designed with either 50 or 75 ohms of impedance. The impedance of the coaxial connector is dictated by the dielectric material between the inner and outer conductors and their ratio.

HP Phase Noise Seminar Notes

These notes from a seminar given by HP in the mid-80's serve as a useful reference for some of the fundamental relationships governing phase noise. Needless to say, some of the most recent techniques in phase noise measurements are not represented, but the mechanisms that generate phase noise are described in useful detail.

Getting Its Measure: Oscillator Phase Noise Measurement Techniques and Limitations


Rohde, U.L.; Poddar, A.K.; Apte, A.M.

This is a detailed article comparing phase noise measurement techniques and their advantages and disadvantages. You will need to be a member of the Microwave Theory and Techniques society of the IEEE to view the article for free. A purchase option may be available if you are not a member.

Modern Wireless Signals


Earl McCune

With the evolution of wireless systems and services, the on-air signals themselves are also undergoing very significant transformations. This paper by Besser Associates instructor Earl McCune provides a survey of the active and coming-soon signal types adopted for wireless systems around the world. Focus is on modulation schemes, along with various measures used to characterize the signals before and after power amplification.


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