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