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AD8318 Logarithmic Detector/Controller

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Description

Data Sheet AD8318 1 MHz to 8 GHz, 70 dB Logarithmic Detector/Controller .
The AD8318 is a demodulating logarithmic amplifier, capable of accurately converting an RF input signal to a corresponding decibel-scaled output volta.

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Features

* Wide bandwidth: 1 MHz to 8 GHz
* High accuracy: ±1.0 dB over 55 dB range (f < 5.8 GHz)
* Stability over temperature: ±0.5 dB
* Low noise measurement/controller output (VOUT)
* Pulse response time: 10 ns/12 ns (fall/rise)
* Integrated temperature sensor
* Small footprint

Applications

* RF transmitter PA setpoint control and level monitoring

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