LT5557 Overview
Description
The LT®5557 active mixer is optimized for high linearity, wide dynamic range downconverter applications. The IC includes a high speed differential LO buffer amplifier driving a double-balanced mixer.
Key Features
- Conversion Gain: 3.3dB at 900MHz 2.9dB at 1950MHz n –3dBm LO Drive Level
- Low LO Leakage
- Low Noise Figure: 10.6dB at 900MHz 11.7dB at 1950MHz
- Low Power: 3.3V/269mW n 50Ω Single-Ended RF and LO Ports
- Very Few External Components n 16-Lead (4mm × 4mm) QFN Package
