Advanced Direct-Conversion Cable Tuner

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The BCM3419 is a highly integrated, advanced direct-conversion, single-chip silicon tuner.
The BCM3419 is specifically designed for use with Broadcom's single-chip cable modem devices. With a low Bill-of-Materials (BOM) cost and a proven reference design, the BCM3419 provides a better alternative to traditional can tuners. Its low-power operation is suited well for applications that require battery backup capability, such as VoIP cable modems.


  • Supports DOCSIS® 2.0 and EuroDOCSIS™ 1.1
  • Integrates global tuning function, including selectivity, and supports 64-QAM, 256-QAM and 1024-QAM digital cable modem applications
  • No need for an external SAW filter
  • VCO (Voltage Controlled Oscillator) is fully integrated with no external tank component


  • Voice over IP (VoIP)

Lifecycle Status

Not Recommended for New Design

Replacement Part

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Specification Value
Lifecycle Not Recommended for New Design
Distrib. Inventory No


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