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Datasheet File OCR Text: |
BCM3416 (R) ADVANCED DIGITAL CABLE TUNER FEATURES * * * * * * * Supports 64 and 256 QAM Input frequency range of 50 MHz through 860 MHz * IF output range of 36 MHz through 44 MHz High linearity across entire frequency range Differential signals for high noise immunity Eliminates need for image reject mixer Highly integrated and cost-effective * Minimal BOM with reference designs available * IF AGC and frequency synthesizers included * Standard logic CMOS with single 3.3V supply * 48-pin TQFP SUMMARY OF BENEFITS * Narrowband first IF eliminates processing of unnecessary channels * DOCSIS and EuroDOCSIS 1.0/1.1/2.0 compliant * Minimal in-house RF expertise required * Superior alternative to can tuners * High quality and reliability (no hand tweaking) * Enables lower profile and smaller designs * Simplified manufacturing flow * Lower BOM cost * Applications * Cable modems * Cable set-top boxes * = For use only in applications where the input frequency to the diplexer is less than 1000 MHz. Tuner Application Example (Cable Modem) SDRAM NB SAW SAW FLASH Diplex Filter 50-860 MHz 50-860 MHz BCM3401 LNA BCM3416 CMOS Tuner BCM3348 Single-Chip DOCSIS/EuroDOCSIS 2.0 Cable Modem 5-65 MHz |
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