p03-000730 - Procedure#3 Wireless Circuits and Systems...

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Procedure #3 University of South Florida p03-000730 1 Wireless Circuits and Systems Laboratory Procedure #3 Creating a Circuit Element Using Measured Data in ADS This procedure relies on information contained in WAMI Lab Procedure 1. Contained in this procedure: 1) Description of 1- and 2-port S parameter data files that can be used with ADS 2) Creating a circuit schematic that is based on measured data The first portion of this procedure describes the types of data files that can be used with ADS. In Part 2, we will create a circuit “design” that consists of a “data file element.” With this type of element, measured S-parameters in your data file are used by ADS when you simulate the circuit. One reason for doing this is that measured data can be plotted from within ADS, and compared to simulated results of your circuit designs. It also allows you to combine measured data and modeled data into a single schematic. 1. Data File Formats Used with ADS There are several different file types and formats that can be used with ADS. The main types of files are Touchstone, Dataset and CITIFile. Herein we discuss only the Touchstone file type, which can be created using different formats. Common to all the Touchstone formats is the requirement of a “header” line that appears at the top of the file. The first character in the line is the pound sign (#). The # character is followed by the frequency units, the type of parameters included in the file (e.g., S-, Z-, Y-parameters), the format of the parameters and the reference impedance. For example, the header line # MHZ S MA R 50 specifies that the frequency units are MHZ, the file
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This note was uploaded on 06/13/2011 for the course EEL 6936 taught by Professor Staff during the Fall '08 term at University of Florida.

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p03-000730 - Procedure#3 Wireless Circuits and Systems...

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