Description

The MAX2015 complete multistage logarithmic amplifieris designed to accurately convert radio-frequency (RF)signal power in the 0.1GHz to 3GHz frequency range toan equivalent DC voltage. The outstanding dynamicrange and precision over temperature of this log amplifiermake it particularly useful for a variety of base stationand other wireless applications, includingautomatic gain control (AGC), transmitter power measurements,and received signal strength indication(RSSI) for terminal devices.The MAX2015 can also be operated in a controllermode where it measures, compares, and controls theoutput power of a variable-gain amplifier as part of afully integrated AGC loop.This logarithmic amplifier provides much wider measurementrange and superior accuracy compared tocontrollers based on diode detectors, while achievingexcellent temperature stability over the full -40°C to+85°C operating range.ApplicationsAGC Measurement and ControlCellular Base Station, WLAN, Microwave Link, Radar, and other Military ApplicationsRF Transmitter Power MeasurementRSSI Measurements