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F1451 - TX Digital VGA

General Description

The F1451 is a High Gain / High Linearity 450MHz to 1100MHz TX Digital Variable Gain Amplifier used in transmitter applications.

The F1451 TX DVGA provides 32dB maximum gain with +41.5dBm OIP3 and 3.6dB noise figure.

Key Features

  • Broadband 450MHz to 1100MHz.
  • 32dB maximum gain.
  • 3.6dB NF at maximum gain (900MHz).
  • 29.5dB total gain control range, 0.5dB step.
  • < 2dB overshoot between gain transitions.
  • Maintains flat +23dBm OP1dB for more than 13dB gain adjustment range.
  • Maintains flat +41dBm OIP3 for more than 15dB gain adjustment range.
  • SPI interface for DSA control.
  • Single 5V supply voltage.
  • ICC = 185mA.
  • Up to +105°C TCASE operating temperature.
  • 50Ω input and outp.

📥 Download Datasheet

Datasheet Details

Part number F1451
Manufacturer Renesas
File Size 9.18 MB
Description TX Digital VGA
Datasheet download datasheet F1451 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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TX Digital VGA 450MHz to 1100MHz F1451 Datasheet Description The F1451 is a High Gain / High Linearity 450MHz to 1100MHz TX Digital Variable Gain Amplifier used in transmitter applications. The F1451 TX DVGA provides 32dB maximum gain with +41.5dBm OIP3 and 3.6dB noise figure. Up to 29.5dB gain control is achieved using the combination of a digital step attenuator (DSA) and a KLINTM RF Digital Gain Amplifier. This device uses a single 5V supply and 185mA of ICC. This device is packaged in a 6 × 6 mm, 28-pin VFQFPN with 50Ω single-ended RF input and RF output impedances for ease of integration into the signal-path. Competitive Advantage In typical Base Stations, RF VGAs are used in the TX traffic paths to drive the transmit power amplifier.