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Technical Articles

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From time to time, OMP publishes condensed presentations of topics relative to the products that we developed. These technical articles are an overview of each of these topics.

  • The Basics of Patch Antennas, Updated: This article explores some of the basic concepts of patch antennas and was originally published as the featured article in the September 2005 issue of the RF Globalnet Newsletter. This updated version was published in the RF Globalnet Newsletter of September 2009.
  • The Basics of Antenna Arrays: This article explains the basic concepts of antenna arrays. It was originally published in RF Globalnet's 2006 Annual RF & Microwave Solutions Update.TA_02
  • Basics of GPS Antennas: This article, originally published in RF Globalnet's 2008 Annual RF & Microwave Solutions Update, provides an overview of the general properties of GPS antennas and briefly compares three common types. It gives you a basic understanding of how GPS antennas work and what level of performance is required for specific applications. Another version of this article was published in the February 1, 2009 issue of GPS World.
  • An Introduction to GPS Patch Antennas: This publication gives the reader an understanding of the basic properties of patch antennas used for GPS reception.
  • An Introduction to GPS Low Noise Amplifiers: This article was originally published as the featured article in the November 2005 issue of the RF Globalnet Newsletter.
  • The Basics of Power Amplifiers, Part 1: This article focuses on a qualitative review of the Class A, B, AB and C amplifier modes as well as giving some explanation on where inefficiencies appear in each. Some of the advantages and disadvantages of each topology will be presented and the trade-offs will be briefly elaborated in an intuitive manner. This article was originally published as the featured article in the February 2011 issue of the RF Globalnet Newsletter.
  • The Basics of Power Amplifiers, Part 2: This article focuses on so called "Switching" amplifiers like Class-D, E, F and inverse F. These amplifiers are based on the notion of limiting the dissipation in the active device during its resistive “turn-on” and  turn-off” times and in doing so, improving the efficiency over classical “linear” amplifier classes. This article was originally published as the featured article in the June 2011 issue of the RF Globalnet Newsletter.
  • The Basics of Power Amplifiers, Part 3: In this article, we review the behavior of the Class-AB and Class-C amplifiers and then take a detailed look at how these two amplifier types can be combined to produce a system that preserves signal fidelity as well as boosts efficiency. This article was originally published as the featured article in the August 2011 issue of the RF Globalnet Newsletter.
  • The Basics of Allan Variance. (coming soon)

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