BCM3401 BOARDCOM [Broadcom Corporation.], BCM3401 Datasheet
BCM3401
Manufacturer Part Number
BCM3401
Description
ADVANCED DIGITAL CABLE TUNER
Manufacturer
BOARDCOM [Broadcom Corporation.]
Datasheet
1.BCM3401.pdf
(2 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
BCM34011CSE
Manufacturer:
BCM
Quantity:
20 000
Part Number:
BCM3401KSE
Manufacturer:
BROADCOM
Quantity:
20 000
Part Number:
BCM3401KSEP30
Manufacturer:
BCM
Quantity:
20 000
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* = For use only in applications where the input frequency to the
diplexer is less than 1000 MHz.
50-860 MHz
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
• Minimal BOM with reference designs available
• IF AGC and frequency synthesizers included
• Standard logic CMOS with single 3.3V supply
• 48-pin TQFP
Highly integrated and cost-effective
Diplex
Filter
F E A T U R E S
50-860 MHz
ADVANCED DIGITAL CABLE TUNER
®
Tuner Application Example (Cable Modem)
BCM3401
LNA
5-65 MHz
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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
SAW
BCM3416
NB
CMOS Tuner
BCM3416
S U M M A R Y O F B E N E F I T S
SAW
SDRAM
2.0 Cable Modem
DOCSIS/EuroDOCSIS
Single-Chip
BCM3348
FLASH
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BCM3401 Summary of contents
Page 1
... Enables lower profile and smaller designs • Simplified manufacturing flow • Lower BOM cost • Applications • Cable modems • Cable set-top boxes Tuner Application Example (Cable Modem) BCM3401 LNA 5-65 MHz BCM3416 SDRAM NB SAW ...
Page 2
... MHz PLL 2 10 MHz ref. Technical Brief The signal is passed from the BCM3401 to the up conversion mixer. The up conversion mixer translates the input fixed first IF of 1220 MHz. The narrowband first IF eliminates processing of unnecessary channels. The down conversion mixer brings the signal down to the output ...