Link Budget

The user enters link parameters such as transmit power, antenna gains, link distance, bit rate etc. This allows the received signal quality to be evaluated. Many link parameters allow different input options. For example the antenna gain may be given in dBi, or the diameter of a dish antenna in meters. This app deals mainly with digital communication links, rather than analog systems.

This app includes several on-line examples, for satellite and terrestrial communications, plus brief notes on interesting or novel aspects of these links. A link is provided to a short tutorial on link budget parameters and the formulas used in the app. The latest version provides information on the bandwidth options, given the Eb/N0.

The first screenshot shows the parameters required for a new link budget.
Each of the 8 parameters allows appropriate units to be selected, and provides brief hints. After entering suitable parameters, the user presses the "CALC" button to evaluate the link budget. Numerical values (in dB) that contribute to the final Eb/N0 result are shown in the second screenshot which is one of the examples (Ka Band Mars return link).
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What's New

This version adds some new link budget examples, with brief notes, plus a summary block diagram. In addition it provides information regarding the range of bandwidths for the current link budget parameters. This version saves your parameter values for re-use at a later time.
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Additional Information

Updated
January 26, 2019
Size
1.5M
Installs
100+
Current Version
0.5
Requires Android
4.0.3 and up
Content Rating
Everyone
Permissions
Offered By
Bill Cowley
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