AD8311 Datasheet - Analog Devices

AD8311 50 dB GSM PA Controller

The AD8311 is a complete low cost subsystem for the precise control of RF power amplifiers operating in the frequency range 0.1 GHz to 2.5 GHz and over a typical dynamic range of 50 dB. It is intended for use in cellular handsets and other batteryoperated wireless devices. The log amp technique prov.

AD8311 Features

* Complete RF detector/controller function >50 dB range at 0.9 GHz (

* 48 dBm to +3 dBm re 50 Ω) Accurate scaling from 0.1 GHz to 2.5 GHz Temperature-stable linear-in-dB response Log slope of 23 mV/dB, intercept at

* 60 dBm at 0.9 GHz True integration function in control loop Low power: 2

AD8311_AnalogDevices.pdf