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RF3321

Features: • Differential Input and Output• 31dB Maximum Voltage Gain• -25dB Minimum Voltage Gain• 5MHz to 65MHzOperation• Sophisticated Power Management• DOCSIS 1.1 RF CompliantApplication• Euro-DOCSIS/DOCSIS Cable Modems• CATV Set-Top Boxes• T...

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SeekIC No. : 004476378 Detail

RF3321: Features: • Differential Input and Output• 31dB Maximum Voltage Gain• -25dB Minimum Voltage Gain• 5MHz to 65MHzOperation• Sophisticated Power Management• DOCSIS 1...

RF3321 Data Sheet

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Part Number:
RF3321
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/12/26

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Product Details

Description



Features:

• Differential Input and Output
• 31dB Maximum Voltage Gain
• -25dB Minimum Voltage Gain
• 5MHz to 65MHzOperation
• Sophisticated Power Management
• DOCSIS 1.1 RF Compliant


Application

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


Specifications

Parameter
Rating
Unit
Supply Voltage(VCC1)
-0.5 to +5.5
VDC
Supply Voltage(VCC2)
-0.5 to +7.5
VDC
Input RF Power
+10
dBm
Operating Ambient Temperature
-40 to +85
Storage Temperature
-40 to +150
Humidity
80
%
Maximum Power Dissipation
0.5
W
Maximum TJ
150



Description

The RF3321 is a variable gain amplifier for use in CATV reverse path (upstream) applications. RF3321 is designed to be DOCSIS-compliant for use in cable modems. The gain control covers a 56dB range and is serially programmable via three-wire digital bus for compatibility with standard baseband chipsets. Amplifier shutdown and transmit disable modes are hardware-controlled. The device RF3321 operates over the frequency band of 5MHz to 65MHz for use in current U.S. and European systems. The RF3321 amplifier delivers up to +69dBmV at the output of the balun. Gain is controllable in accurate 1dB steps. The device is provided in a thermally enhanced, exposed die flag package.




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