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BDA4700 - 7-bit Digital Step Attenuator

Description

The BDA4700 is a broadband, Highly accurate 50Ω digital step attenuator model which provides adjustable attenuation from 0 to 31.75 dB in 0.25 dB steps.

The control is a 7-bit serial interface and latched parallel interface.

BDA4700 supports a broad operating frequency range from 1MHz to 8.0 GHz.

Features

  • 7-bit Serial & Parallel Interface.
  • 31.75 dB Control Range 0.25 dB step.
  • Glitch-safe attenuation state transitions.
  • 2.7 V to 5.5 V supply.
  • 1.8 V or 3.3 V control logic.
  • Excellent Attenuation Accuracy Any bit Attenuation Error < ±0.5 dB up to 6GHz.
  • Low Insertion Loss 0.7 dB @ 1GHz 1.0 dB @ 2GHz 1.1 dB @ 3GHz 1.4 dB @ 4GHz 1.9 dB @ 5GHz 2.5 dB @ 6GHz 2.4 dB @ 7GHz.
  • Ultra linearity IIP3 > +65 dBm @ 3.5GHz, ATT=0dB.
  • Inp.

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Datasheet Details

Part number BDA4700
Manufacturer BeRex
File Size 1.78 MB
Description 7-bit Digital Step Attenuator
Datasheet download datasheet BDA4700 Datasheet

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Full PDF Text Transcription

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7-bit Digital Step Attenuator Device Features • 7-bit Serial & Parallel Interface • 31.75 dB Control Range 0.25 dB step • Glitch-safe attenuation state transitions • 2.7 V to 5.5 V supply • 1.8 V or 3.3 V control logic • Excellent Attenuation Accuracy Any bit Attenuation Error < ±0.5 dB up to 6GHz • Low Insertion Loss 0.7 dB @ 1GHz 1.0 dB @ 2GHz 1.1 dB @ 3GHz 1.4 dB @ 4GHz 1.9 dB @ 5GHz 2.5 dB @ 6GHz 2.4 dB @ 7GHz • Ultra linearity IIP3 > +65 dBm @ 3.5GHz, ATT=0dB • Input 0.1dB Compression (P0.1dB) 32dBm @ 3.
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