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| BCM3419 (R) ADVANCED LOW IF DIRECT CONVERSION CABLE TUNER FEATURES * Single-chip direct conversion silicon tuner completes system design with Broadcom cable modem * DOCSIS(R)/EuroDOCSISTM 1.0/1.1/2.0 * Supports 64, 256, and 1024 QAM SUMMARY OF BENEFITS * Extreme integration level leads to highly cost-effective BOM * Eliminates significant external components: * SAW (Surface Acoustic Wave) IF filters * RSSI measurement components * IF amplifiers * Oscillator components * Package optimization enables low-cost 2-layer system PCB * Minimal in-house RF expertise required * Input frequency range of 50 MHz through 860 MHz IF (intermediate frequency) output range of 4 MHz, 4.5 MHz, and 5 MHz * For use in 6-MHz, 7-MHz, and 8-MHz systems * High linearity across entire frequency range * Support for DOCSIS/EuroDOCSIS 2.0 enables one device solution to be used worldwide * Superior alternative to can tuners * High quality and reliability (no hand tweaking) * Enables lower profile and smaller designs * Proven reference design for quick time-to-market * Simplified manufacturing flow * Single supply voltage provides low-cost operation * Differential signals for high noise immunity * Integrated and cost-effective BOM: * True single-chip tuner * Single 3.3V supply voltage * Fully integrated oscillator * Fully integrated channel selectivity * Symmetrical IF output for direct connection to channel decoder * RSSI (Received Strength Signal Indicator) information provided through I2C bus * Standby mode * Low-power consumption * APPLICATIONS * Cable Modems * Cable Gateways * Voice Cable Modems * 40-pin MLF package Tuner Application Example (Cable Modem) |
Price & Availability of BCM3419
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