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AD8317 - Log Detector/Controller

Description

The AD8317 is a demodulating logarithmic amplifier, capable of accurately converting an RF input signal to a corresponding decibel-scaled output.

It employs the progressive compression technique over a cascaded amplifier chain, each stage of which is equipped with a detector cell.

Features

  • Wide bandwidth: 1 MHz to 10 GHz High accuracy: ±1.0 dB over temperature 55 dB dynamic range up to 8 GHz ± 3 dB error Stability over temperature: ±0.5 dB Low noise measurement/controller output, VOUT Pulse response time: 6 ns/10 ns (fall/rise) Small footprint, 2 mm × 3 mm LFCSP Supply operation: 3.0 V to 5.5 V at 22 mA Fabricated using high speed SiGe process.

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Datasheet preview – AD8317

Datasheet Details

Part number AD8317
Manufacturer Analog Devices
File Size 1.12 MB
Description Log Detector/Controller
Datasheet download datasheet AD8317 Datasheet
Additional preview pages of the AD8317 datasheet.

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Full PDF Text Transcription

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Data Sheet FEATURES Wide bandwidth: 1 MHz to 10 GHz High accuracy: ±1.0 dB over temperature 55 dB dynamic range up to 8 GHz ± 3 dB error Stability over temperature: ±0.5 dB Low noise measurement/controller output, VOUT Pulse response time: 6 ns/10 ns (fall/rise) Small footprint, 2 mm × 3 mm LFCSP Supply operation: 3.0 V to 5.5 V at 22 mA Fabricated using high speed SiGe process APPLICATIONS RF transmitter PA setpoint control and level monitoring Power monitoring in radio link transmitters RSSI measurement in base stations, WLANs, WiMAX, and radars GENERAL DESCRIPTION The AD8317 is a demodulating logarithmic amplifier, capable of accurately converting an RF input signal to a corresponding decibel-scaled output.
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