LMH2120 PDF Datasheet


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Description

This is 6 GHz Linear RMS Power Detector. t.in LMH2120 6 GH- Linear RMS Power Detector with 40 dB Dynamic Range July 20, 2010 LMH2120 6 GH- Linear RMS Power Detector with 40 dB Dynamic Range General Description The LMH2120 is a 40 dB Linear RMS power detector particularly suited for accurate power measurement of modulated RF signals that exhibit large peak-to-average ratios, i.e, large variations of the signal envelope. Such signals are encountered in W-CDMA and LTE cell phones. The RMS measurement topology inherently ensures a modulation insensitive measurement. The device has an RF frequency range from 50 MH- to 6 GHz. It provides an accurate, temperature and supply insensitive, output voltage that relates linearly to the RF input power in volt. The LMH2120's excellent conformance to a linear response enables an easy integration by using slope and intercept only, reducing calibration effort significantly. The device operates with a single supply from 2.7V to 5V. The LMH2120 has an RF power detection range from -35.