Changes

The first item in the above list simply lets you import an S-parameter ".TXT" file and saves it as a simulation model in RF.Spice's parts database. You can use this model later to build a new device or share it among several devices. The next three items in the above list create new devices complete with simulation models and schematic symbols. The newly create devices are permanently stored in your RF.Spice parts database and can be used as new parts in your RF circuits. For example, an imported RF BJT device has the same BJT symbol with the same pin map as the other BJT devices of [[B2.Spice A/D]]. The main difference is that instead of a technology process models or a Netlist subcircuit model, the RF BJT is modeled by its imported, measured S-[[parameters]]. In a similar manner, you can import Multiport Network devices or T-Line Discontinuity models from S-parameter text files that are generated at the end of full-wave simulations of such structures using an electromagnetic modeling tool like [[EM.Cube]]

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