RF4400

Features

• Single-chip RF design
• No external LNA required
• No external SAW filter required
• No external tracking filter required
• Integrated synthesizer including VCO
• Integrated RF loop through path with remodulation input
• Covers ATSC band 42 MHz to 862 MHz
• Single-ended RF input ® no baluns needed
• Pin diode control for extra RF attenuation signal management
• No production line adjustments
• Self-calibrating signal path
• AdaptiveTune™ control allows channel by channel performance optimization
• Firmware reconfigurable for field upgrade of finished units
• 44 MHz IF differential output
• Excellent sensitivity; broad dynamic range
• Operates from single 5V supply
• 2-wire serial bus protocol
• 56 pin QFN package

RF4400 Product Brief