F4482 Image


RF Amplifier by Renesas

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The F4482 from Renesas is a Quad Path Tx Differential Variable Gain Amplifier (DVGA) that operates from 1300 to 2800 MHz. This amplifier has been developed for Macro Base Stations. It provides four independent transmit paths, each with a gain of up to 27.5 dB, an output P1dB of +16.5dBm, and a noise figure of 5.7dB. Each channel includes a glitch-free digital step attenuator that reduces gain by up to 31.5 dB in 0.5 dB steps. The DVGA operates over a DC supply of 3.3 V and draws 500 mA of current. It uses Renesas’ patented Zero-Distortion and Glitch-Free technologies, that provide superior performance and PA damage protection over the entire RF gain range.

The F4482 is available in a 56-LGA package that measures 8 x 8 mm with matched 100Ω differential input and 50Ω single-ended output impedances for ease of integration into the signal path. It is suitable for use in 4G and 5G multi-mode, multi-carrier transmitters, LTE and UMTS/WCDMA base stations, active antenna systems and digital radio.

Product Specifications

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Product Details

  • Part Number
  • Manufacturer
  • Description
    Quad-Channel Differential Variable Gain Amplifier from 1300 to 2800 MHz

General Parameters

  • Type
    Digital Variable Gain Amplifier, Variable Gain Amplifier
  • Configuration
  • Application
    Radio, Base Station
  • Standards Supported
  • Industry Application
    Cellular, Wireless Infrastructure
  • Frequency
    1.3 to 2.8 GHz
  • Gain
    30 dB
  • Gain Flatness
    0.4 to 0.8 dB
  • Noise Figure
    5.2 to 20 dB
  • Gain Control Range
    31.5 dB
  • P1dB
    17 dBm
  • P1dB
    0.05 W
  • Grade
  • IP3
    34 dBm (output)
  • IP3
    2.51 W
  • Input Power
    17 dBm
  • Input Power
    50.1 mW
  • Impedance
    50 Ohms, 100 Ohms
  • Pulsed/CW
  • Pulse Width
    10 ns
  • Reverse Isolation
    -78 to -47 dB
  • Return Loss
    8 to 19 dB
  • Switching Time
    1 us
  • Supply Voltage
    3.3 V
  • Current Consumption
    135 to 490 mA
  • Package Type
    Surface Mount
  • Package
  • Dimensions
    8 x 8 mm
  • Interface
  • Operating Temperature
    -40 to 105 Degree C
  • Storage Temperature
    -65 to 150 Degree C

Technical Documents

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