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Calculation of Scaling for Plotting Spectrum Analyzer

Question asked by on Apr 24, 2014
Latest reply on Apr 24, 2014 by tlili



We have developed a simple Spectrum Analyzer application. We want to scale the Y-Axis(dBm) based on the receiver Gain settings.


What is the Input power required at the Receive antenna port of AD9361 to get signal at the ADC full dynamic range while setting Gain Index to 3 (for 0dB Gain). Refrence: Gain Control and RSSI User Guide - Table 29.Optimized Full Gain Table for 200MHz through 1300MHz Operation.