This application note explains how to control the wideband’s front-end gain in the -418 and -427 models of ThinkRF R5500 Real-Time Spectrum Analyzer through three user-selectable gain settings

and a variable attenuation. It further explains how the settings permit the trade-of between gain, noise and linearity to be performed as required in the user’s application.

This application note is applicable to R55x0/R57x0 -418 & -427 product models as well.

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