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Home » NEWEST Products » New by Manufacturer » Analog Devices Inc. » ADA4304-3/-4 Single-Ended Active RF Splitters - ADI
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Analog Devices ADA4304-3/-4 Single-Ended Active RF Splitters

Analog Devices ADA4304-3/-4 Single-Ended
Active RF Splitters

Analog Device's ADA4304-3/-4 Single-Ended Active RF Splitters are 75Ω active splitters for use in applications where a lossless signal split is required. Typical applications include multituner digital set-top boxes, cable splitter modules, multituners/digital cable ready (DCR) televisions, and home gateways where traditional solutions require discrete passive splitter modules with separate fixed gain amplifiers. The ADA4304-3/-4 are fabricated using the Analog Devices, Inc., proprietary silicon germanium (SiGe), complementary bipolar process, enabling them to achieve very low levels of distortion with a noise figure of 4.6dB. The parts provide low cost alternatives that simplify designs and improve system performance by integrating a signal splitter element and a gain block into a single IC.

Features
  • Ideal for CATV and terrestrial applications
  • 2.4GHz, −3dB bandwidth
  • 1dB flatness: 54MHz to 865MHz
  • Low noise figure: 4.6dB
  • Low distortion
  • Composite second-order (CSO): −62dBc
  • Composite triple beat (CTB): −72dBc
  • Nominal 3dB gain per output channel
  • 25dB output-to-output isolation, 50MHz to 1000MHz
  • 75Ω input and outputs
  • Small package size: 16-lead, 3mm × 3mm LFCSP
Applications
  • Set-top boxes
  • Residential gateways
  • CATV distribution systems
  • Splitter modules
  • Digital cable ready (DCR) TVs
Functional Block Diagram  
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  • Analog Devices Inc.