概要

説明

The F4482 is a 1300MHz to 2800MHz quad path TX Digital Variable Gain Amplifier (DVGA) outfitted with 100Ω differential inputs and 50Ω single-ended outputs. The device is part of a complete family of VGAs targeting FDD and TDD applications within the 400MHz to 4200MHz frequency range.

Using a single 3.3V power supply and only 485mA of ICC, the F4482 provides four independent transmit paths, each with 27.5dB typical maximum gain, +36.8dBm OIP3, +16.5dBm output P1dB, and 5.7dB NF. Each channel includes a glitch-free digital step attenuator that reduces gain by up to 31.5dB in precise 0.5dB steps.

The F4482 is packaged in an 8mm × 8mm 56-LGA, with matched 100Ω differential input and 50Ω single-ended output impedances for ease of integration into the signal path.

特長

  • Independent quad channels for FDD TX applications
  • 1300MHz to 2800MHz
  • • 27.5dB typical maximum gain at 2100MHz
    • Precise SPI-controlled Glitch-Free™ gain adjustment
  • 31.5dB gain range with 0.5dB step size
  • 5.7dB NF at 2100MHz
  • +36.8dBm OIP3 at 2100MHz
  • +16.5dBm output P1dB at 2100MHz
  • 3.3V supply voltage
  • ICC = 485mA
  • 100Ω differential input impedances
  • 50Ω single-ended output impedances
  • 1.8V and 3.3V logic support
  • Independent channel standby modes for power savings
  • Operating temperature (TEP) range: -40 °C to +115 °C
  • 8mm × 8mm, 56-LGA package

製品比較

アプリケーション

アプリケーション

  • 4G and 5G multi-mode, multi-carrier transmitters
  • LTE and UMTS/WCDMA base stations
  • Active antenna systems
  • Digital radio

ドキュメント

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データシート PDF 3.87 MB
ガイド PDF 2.24 MB
ガイド PDF 2.83 MB
製品概要 PDF 506 KB
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モデル

IDT RF Product Benefits Overview

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Glitch-free technology essentially eliminates the transient overshoot that can occur during mSv attenuation state transitions of standard digital step attenuators. Flat-noise technology maintains near constant noise performance [inaudible 00:00:48] reduced in our variable gain amplifiers, thus optimizing system level signal-to-noise performance. Zero-distortion technology practically eliminates intermodulation distortion in our RF mixers and amplifiers, enhancing the system's quality of service. Kz refers to constant impedance technology, which has implemented a new line of RF switches that allows 'hot switching' in TDD systems.

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