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LT5558 - 600MHz to 1100MHz High Linearity Direct Quadrature Modulator

Description

The LT®5558 is a direct I/Q modulator designed for high performance wireless applications, including wireless infrastructure.

It allows direct modulation of an RF signal using differential baseband I and Q signals.

It supports GSM, EDGE, CDMA, CDMA2000, and other systems.

Features

  • Direct Conversion from Baseband to RF.
  • High OIP3: + 22.4dBm at 900MHz.
  • Low Output Noise Floor at 20MHz Offset: No RF:.
  • 158dBm/Hz POUT = 4dBm:.
  • 152.7dBm/Hz.
  • Low Carrier Leakage:.
  • 43.7dBm at 900MHz.
  • High Image Rejection:.
  • 49dBc at 900MHz.
  • 3 Channel CDMA2000 ACPR:.
  • 70.4dBc at 900MHz.
  • Integrated LO Buffer and LO Quadrature Phase Generator.
  • 50Ω AC-Coupled Single-ended LO and RF Ports.
  • High Impedance Interface to Bas.

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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.

View original datasheet text
FEATURES ■ Direct Conversion from Baseband to RF ■ High OIP3: + 22.4dBm at 900MHz ■ Low Output Noise Floor at 20MHz Offset: No RF: –158dBm/Hz POUT = 4dBm: –152.7dBm/Hz ■ Low Carrier Leakage: –43.7dBm at 900MHz ■ High Image Rejection: –49dBc at 900MHz ■ 3 Channel CDMA2000 ACPR: –70.4dBc at 900MHz ■ Integrated LO Buffer and LO Quadrature Phase Generator ■ 50Ω AC-Coupled Single-ended LO and RF Ports ■ High Impedance Interface to Baseband Inputs with 2.
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