Design

AWR Application Note Describes End-To-End Design Of A Complex X-band Transmission Analyzer

19th February 2013
ES Admin
0
AWR has just published a new Microwave Office software application note titled, “End-to-end Design and Realization of an X-band Transmission Analyzer Using AWR Circuit, System, and EM Software.” The note examines the complete flow and details the design of several critical design elements for this device, which integrates many RF components on a single printed circuit board.
Design challenges include coupling issues between the RX and TX paths, as well as numerous distributed elements that required EM simulator-based tuning for optimal performance.

Introduction

The X-band frequency range has been designated for critical military and public safety applications such as satellite communications, radar, terrestrial communications and networking, and space communications. It is important to ensure that these signals deliver quality, reliable, and secure communications. This application note describes the design and realization of a complex X-band transmission analyzer for use in real-time material testing.

The purpose of this analyzer is to gather complex-valued X-band transmission coefficients at high update rates of greater than 100,000 measurements per second. This note describes how manufacturing costs were minimized by integrating the many RF components in the device onto a single printed circuit board, how coupling issues between the RX and TX paths caused by the requirement for high dynamic range were addressed, and how EM simulator based tuning was used for the numerous distributed elements on the board to ensure optimal performance.

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