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AT1512 - FET BIAS CONTROLLER AND TONE DETECTION

Description

The AT1512 includes bias circuits to drive up to 3 external FETs.

A control input to the device selects either one of two FETs as operational using 0V gate switching topology, the third FET is permanently active.

This feature is particularly used as an LNB polarisation switch.

Features

  • Provides bias for GaAs and HEMT FETs.
  • Drives up to 3 FETs with Dynamic FET protection.
  • Regulated negative rail generator requires only 2 external capacitors.
  • Drain current set by external resistor.
  • Choice in drain voltage.
  • Wide supply voltage range.
  • Polarisation switch for LNBs - supporting zero volt gate switching topology.
  • 22kHz tone detection for band switching.
  • Compliant with ASTRA control specifications.
  • SSOP-2.

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Datasheet preview – AT1512

Datasheet Details

Part number AT1512
Manufacturer Aimtron Technology
File Size 377.59 KB
Description FET BIAS CONTROLLER AND TONE DETECTION
Datasheet download datasheet AT1512 Datasheet
Additional preview pages of the AT1512 datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com AT1512 Preliminary product Information FET BIAS CONTROLLER AND TONE DETECTION Features •Provides bias for GaAs and HEMT FETs •Drives up to 3 FETs with Dynamic FET protection •Regulated negative rail generator requires only 2 external capacitors •Drain current set by external resistor •Choice in drain voltage •Wide supply voltage range •Polarisation switch for LNBs - supporting zero volt gate switching topology •22kHz tone detection for band switching •Compliant with ASTRA control specifications •SSOP-20 surface mount package Description The AT1512 includes bias circuits to drive up to 3 external FETs. A control input to the device selects either one of two FETs as operational using 0V gate switching topology, the third FET is permanently active.
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