QUAMP is a software application for the design of narrow band, small signal, and/or low noise microwave amplifiers. It affords a quick preliminary investigation of the applicability of a device for an intended use. Device characterization of scattering parameters and/or noise parameters are entered and response over a band of interest is quickly determined. This is accomplished by incorporating the following elements in the program:
The application is written in the Apple Cocoa programming language for use in Mac OS X. This is the de facto application language for the Mac and presents the user with a popular, friendly GUI. The application is suitable for the quick characterization and/or implementation of an intended design. The major features are:
The user experience is intuitive and follows a logical flow through the use of nine windows which are presented sequentially by user selection. These are:
The INPUT TYPE window provides selection of a DATA INPUT window suitable with the four cases defined as follows:
The OVERVIEW window shows source and load plane Smith Charts with a range of constant gain and noise figure circles (NF for source plane only). The overview aids the design process by giving an overall perspective and allows the design to continue by the selection of source or load plane design.
The SOURCE or LOAD PLANE window (whichever is chosen) allows for the input of a desired gain and/or noise figure. Source plane design is for an available gain and noise figure if desired. Load plane design is for an operating gain. The appropriate constant circles are drawn on the Smith Chart and the user selects a reflection coefficient value on the circle(s).
Here's a typical DATA INPUT window:
Here's a SOURCE PLANE window:
Here's the SUMMARY window:
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