LT5568 Datasheet

LT5568 700MHz - 1050MHz High Linearity Direct Quadrature Modulator

U U FEATURES ■ Frequency Range: 700MHz to 1050MHz ■ High OIP3: +22.9dBm at 850MHz ■ Low Output Noise Floor at 5MHz Offset: No RF: –160.3dBm/Hz POUT = 4dBm: –154dBm/Hz ■ 3-Ch CDMA2000 ACPR: –71.4dBc at 850MHz ■ Integrated LO Buffer and LO Quadrature Phase Generator ■ 50Ω AC-Coupled Single-Ended LO a.

Features

■ Frequency Range: 700MHz to 1050MHz
■ High OIP3: +22.9dBm at 850MHz
■ Low Output Noise Floor at 5MHz Offset: No RF:
  –160.3dBm/Hz POUT = 4dBm:
  –154dBm/Hz
■ 3-Ch CDMA2000 ACPR:
  –71.4dBc at 850MHz
■ Integrated LO Buffer and LO Quadrature Phase Generator
■ 50Ω AC-Coupled Single-Ended LO and RF Ports
■ 50Ω DC Interface to Baseband Inputs
■ Low Carrier Leakage:
  –43dBm at 850MHz
■ High Image Rejection:
  –46dBc at 850MHz
■ 16-Lead 4mm × 4mm QFN Package U APPLICATIO S
■ Infrastructure Tx for Cellular Bands
■ Image Reject Up-Converters for Cellular Bands
■ Low-Noise Variable Phase-Shifter for 700MHz to .