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AD8348 - 50-1000 MHz Quadrature Demodulator

Description

The AD8348 is a broadband quadrature demodulator with an integrated intermediate frequency (IF), variable gain amplifier (VGA), and integrated baseband amplifiers.

It is suitable for use in communications receivers, performing quadrature demodulation from IF directly to baseband frequencies.

Features

  • Integrated I/Q demodulator with IF VGA amplifier Operating IF frequency 50 MHz to 1000 MHz (3 dB IF BW of 500 MHz driven from RS = 200 Ω) Demodulation bandwidth 75 MHz Linear-in-decibel AGC range 44 dB Third-order intercept IIP3 +28 dBm @ minimum gain (FIF = 380 MHz) IIP3.
  • 8 dBm @ maximum gain (FIF = 380 MHz) Quadrature demodulation accuracy Phase accuracy 0.5° Amplitude balance 0.25 dB Noise figure 11 dB @ maximum gain (FIF = 380 MHz) LO input.
  • 10 dBm Single supply 2.7 V to 5.5.

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Datasheet preview – AD8348

Datasheet Details

Part number AD8348
Manufacturer Analog Devices
File Size 820.98 KB
Description 50-1000 MHz Quadrature Demodulator
Datasheet download datasheet AD8348 Datasheet
Additional preview pages of the AD8348 datasheet.

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Full PDF Text Transcription

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FEATURES Integrated I/Q demodulator with IF VGA amplifier Operating IF frequency 50 MHz to 1000 MHz (3 dB IF BW of 500 MHz driven from RS = 200 Ω) Demodulation bandwidth 75 MHz Linear-in-decibel AGC range 44 dB Third-order intercept IIP3 +28 dBm @ minimum gain (FIF = 380 MHz) IIP3 −8 dBm @ maximum gain (FIF = 380 MHz) Quadrature demodulation accuracy Phase accuracy 0.5° Amplitude balance 0.25 dB Noise figure 11 dB @ maximum gain (FIF = 380 MHz) LO input −10 dBm Single supply 2.7 V to 5.
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