bcm3450 Broadcom Corp., bcm3450 Datasheet

bcm3450

Manufacturer Part Number

bcm3450

Description

Bcm3450 Moca Power Amplifier/low-noise Amplifier

Manufacturer

Broadcom Corp.

Datasheet

1.BCM3450.pdf (2 pages)

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Download datasheet (704Kb)

BCM3450 MOCA™ POWER AMPLIFIER/LOW-NOISE AMPLIFIER

•

Single PA/LNA for MoCA™ networks

• Gigabit Passive Optical Network(GPON) to MoCA bridge

• Home MoCA WAN networks

• Broadband home router (BHR)

• Wideband with 30 dB gain range

• Low Power 1.2W

• Output Power of 2 dBm (programmable up to 5 dBm)

• ACPR of 50 dBr @ 30 MHz offset

LNA

• Wideband with 25 dB gain range

• Low Power 600 mW

• Typical noise figure of 8 dB

• Conversion gain of 21 dB

• Input return loss of 10 dB

High-speed LNA/PA gain control interface

Individual block power-up/power-down capability

Single 3.3V Power Supply

Two-wire Broadcom Serial Control (BSC)

BCM6816

GPON Bridge Example

F E A T U R E S

BCM3450

SerDes

RF OVLY

BCM3450 Power Amplifier/Low-Noise Amplifier

Diplexer

GPON Fiber

CAB Out

CAB In

BCM3450

•

Provides power amplification and connection to coaxial

MoCA-enabled networks for Broadcom devices with

integrated MoCA MAC/PHYs (BCM7420, BCM7410,

BCM6816, BCM6819, BCM6829, BCM3320).

Superior ‘reach’ over in-home cable environments.

• Handles loss through multiple splitters

• Supports long line runs

Superior Signal/Noise ratio for reliable performance.

Low power control to meet Energy Star requirements and

simplify power supply design.

BSC interface provides flexible programmability.

Dual HD AVC,VC-1,MP2, DiVX

3D, 1394a, dual SATA II

Example Home Gateway Solution

1080p60, MoCA 1.1+

S U M M A R Y O F B E N E F I T S

BCM7420

1500+ DMIPS

MoCA 1.1

240 Mbps

DOCSIS 2.0+ CB

BCM3255

3x 1024 QAM

SCTE55 008

800 DMIPS

BCM3450

Triplexer

BCM3422

Triplexer

Cable

Related parts for bcm3450

bcm3450 Summary of contents

Page 1

... BCM3450 MOCA™ POWER AMPLIFIER/LOW-NOISE AMPLIFIER • Single PA/LNA for MoCA™ networks • Gigabit Passive Optical Network(GPON) to MoCA bridge • Home MoCA WAN networks • Broadband home router (BHR) • PA • Wideband with 30 dB gain range • ...

Page 2

... GAIN_DATA GAIN_CLK 100 MHz BCM3450 Reference Design The BCM3450 requires a single 3.3V power supply and the power dissipation for the PA and LNA are 1.2W and 0.6W, respectively. The BCM3450 is used in conjunction with the Broadcom’s MoCA MAC/PHY integrated product line. The BCM3450 connects to the coaxial MoCA via a triplexer and external balun to the LNA differential input ...

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