Beskrivning
0.1 GHz – 2.5 GHz, 70 dB Logarithmic Detector/Controller
The AD8313 is a complete multistage demodulating logarithmic amplifier, capable of accurately converting an RF signal at its differential input to an equivalent decibel-scaled value at its dc output.
Features
* Wide Bandwidth: 0.1 GHz to 2.5 GHz Min
* High Dynamic Range: 70 dB to 63.0 dB
* High Accuracy: 61.0 dB over 65 dB Range (@ 1.9 GHz)
* Fast Response: 40 ns Full-Scale Typical
* Controller Mode with Error Output
* Scaling Stable Over Supply and Temperature
* Wide Supply Range: +2.7 V to +5.5 V
* Low Power: 40 mW at 3 V
* Power-Down Feature: 60 mW at 3 V
* Complete and Easy to Use
Applications
* RF Transmitter Power Amplifier Setpoint
* Control and Level Monitoring
* Logarithmic Amplifier for RSSI Measurement
* Cellular Base Stations, Radio Link, Radar
