Product Description
The RF3320 is a variable gain amplifier for use in CATV reverse path (upstream) applications. It is DOCSIS-compliant for use in cable modems. The gain control covers a 58dB range and is serially programmable via three-wire digital bus for compatibility with standard baseband chipsets. Amplifier shutdown and transmit disable modes are software- and hardware-controlled.

FEATUREs
• Single 5V Supply
• Differential Input and Output
• -30dB to +28dB Voltage Gain Range
• 5MHz to 65MHz Operation
• Sophisticated Power Management
• DOCSIS 1.1 RF Compliant

Typical Applications
• Euro-DOCSIS/DOCSIS Cable Modems
• CATV Set-Top Boxes
• Telephony Over Cable
• Home Networks
• Automotive/Mobile Multimedia
• Coaxial and Twisted Pair Line Driver