BCM3416 Просмотр технического описания (PDF) - Broadcom Corporation
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BCM3416 Datasheet PDF : 2 Pages
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BCM3416
®
ADVANCED DIGITAL CABLE TUNER
FEATURES
SUMMARY OF BENEFITS
• 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
• 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)
NB
SAW SAW
SDRAM 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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