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General Description

The MAX2014 complete multistage logarithmic amplifier is designed to accurately convert radio-frequency (RF) signal power in the 50MHz to 1000MHz frequency range to an equivalent DC voltage. The outstanding dynamic range and precision over temperature of this log amplifier make it particularly useful for a variety of base-station and other wireless applications, including automatic gain control (AGC), transmitter power measurements, and received signal-strength indication (RSSI) for terminal devices.

Features

♦ Complete RF Detector/Controller

♦ 50MHz to 1000MHz Frequency Range

♦ Exceptional Accuracy Over Temperature

♦ High Dynamic Range

♦ 2.7V to 5.25V Supply Voltage Range*

♦ Scaling Stable Over Supply and Temperature Variations

♦ Controller Mode with Error Output

♦ Shutdown Mode with Typically 1µA of Supply Current

♦ Available in 8-Pin TDFN and 8-pin µMAX® Package

Applications

    AGC Measurement and Control

    RF Transmitter Power Measurement

    RSSI Measurements

    Cellular Base-Station, WLAN, Microwave Link, Radar, and other Military Applications

    Optical Networks