BCM3033 ETC, BCM3033 Datasheet

BCM3033

Manufacturer Part Number

BCM3033

Description

QAMLINK UNIVERSAL MODULATOR

Manufacturer

ETC

Datasheet

1.BCM3033.pdf (2 pages)

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Download datasheet (138Kb)

BCM3033 QAMLINK

•

BCM3033 is a universal headend QAM modulator

Integrated QAMLink modulator

•

Integrated ITU-T J.83/Annex A

(DVB/DAVIC/IEEE802.14), Annex B (DigiCipher

SCTE/DOCSIS™/EuroDOCSIS/IEEE 802.14), and

Annex C (Japan) FEC Encoding

Integrated 10-bit digital-to-analog converter

Compatible with Broadcom’s QAMLink receivers

BSC or SPI-compatible microcontroller interface

JTAG test interface

120-pin PQFP package

Supports 4, 16, 32, 64, 128 and 256-QAM

Variable data rates up to 7 megabaud

Linear phase digital square-root Nyquist transmit filters

>60-dB stop band attenuation in digital filters

Perfect quadrature amplitude and phase balance

X/sinX filter for DAC distortion compensation

B C M 3 0 3 3

44 MHz IF

5–65 MHz

VGA

F E A T U R E S

Tuner

Cable Modem Termination System

SAW

PRODUCT

LPF

II/

LPF

UNIVERSAL MODULATOR

CLOCK

•

BCM3210

BCM3033

Modulator

A high-performance, integrated solution for

modulators in digital cable TV headend, digital cable

modem headend, digital microwave radio, SMATV

and MMDS applications

An integrated solution that reduces board space and

manufacturing costs

A flexible solution that supports the FEC encoding

standards for North America, Europe, and Asia

A universal modulator solution that supports all data

rates worldwide

MAC

S U M M A R Y

1–8 Channels

Burst Demod

QAM

BCM3033

BCM3137

Brief

DATA

Interface

PCI

O F

100BASE-T

Pentium

Ethernet

B E N E F I T S

Backbone

PCI

Related parts for BCM3033

BCM3033 Summary of contents

Page 1

... BCM3033 QAMLINK • BCM3033 is a universal headend QAM modulator • Integrated QAMLink modulator • Supports 4, 16, 32, 64, 128 and 256-QAM • Variable data rates megabaud • Linear phase digital square-root Nyquist transmit filters • ...

Page 2

... PLL / Clock Generation integrated DAC in the BCM3033 is a 10-bit, 114-MS/s DAC with differential analog outputs. Operation of the BCM3033 involves a serial or parallel bit stream input that can be passed through the FEC encoder or directly to the modulator. The resulting data is interpolated, filtered, and modulated to the IF carrier. The modulator provides ...

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