AD8315 - 50 dB GSM PA Controller
The AD8315 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
AD8315 Features
* Complete RF detector/controller function >50 dB range at 0.9 GHz (
* 49 dBm to +2 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:
