BCM3138 [BOARDCOM]
ADVANCED PHY TRANSMITTER/RECEIVER EVALUATION SYSTEM; 高级PHY发射机/接收机评价系统
| 型号： | BCM3138 |
| 厂家： | 
Broadcom Corporation. |
| 描述： | ADVANCED PHY TRANSMITTER/RECEIVER EVALUATION SYSTEM |
| 文件： | 总2页 (文件大小：474K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
BCM93138
PRODUCT
®
Brief
BCM93138 ADVANCED PHY TRANSMITTER/RECEIVER EVALUATION SYSTEM
B C M 9 3 1 3 8 F E A T U R E S
S U M M A R Y O F B E N E F I T S
The BCM93138 is a dual-channel upstream cable burst
transmitter/receiver evaluation system
Support for advanced TDMA PHY layer functions for
DOCSIS/EuroDOCSIS, IEEE802.14, DAVIC and DVB
applications
The BCM93138 enables complete cable upstream
advanced PHY layer testing and evaluation with:
•
•
•
BCM3138: DOCSIS/EuroDOCSIS-based advanced TDMA
PHY burst receiver
•
•
•
BCM3037: DOCSIS/EuroDOCSIS-based QPSK/16 QAM
burst transmitter
BCM3034: DOCSIS/EuroDOCSIS-based advanced QAM
modulator
Programmable modulation formats including BPSK,
•
and QPSK up to 256 QAM
Dramatically reduces time to market by providing a
complete reference design for a DOCSIS/EuroDOCSIS
based advanced TDMA PHY cable upstream
implementation.
Frequency-agile from 5 to 65 MHz
•
•
Flexible options for evaluating upstream analog front
•
end (AFE)
Wideband external A/D with direct sampling
Narrowband external A/D sampling
Narrowband internal A/D sampling
•
•
•
Implements pre-equalization for improved
•
•
•
performance in heavily impaired cable channels.
Enables digital cable set-top boxes, modems and
50 dB dynamic range for transmitter and receiver
•
•
•
telephony implementations.
Full Reed-Solomon encoder/decoder with
Provides self-contained subscriber and headend system
with seamless interface between subscriber and
headend components.
Windows software for running test functions and
scripts enable user-based evaluation tools with fast
turn-up.
Windows software API for register, memory and
control access allows visibility to system performance
for design comparisons and tradeoffs.
programmable 23-bit randomizer/derandomizer
Multiple operation modes:
Continuous
•
•
•
•
•
DOCSIS/EuroDOCSIS TDMA
Random-arrival
Easy-to-use Broadband Studio evaluation software
•
BCM93138 DOCSIS/EuroDOCSIS Upstream Advanced PHY
Transmitter/Receiver Evaluation System
B C M 9 3 1 3 8
O V E R V I E W
BCM93138DOCSIS/EuroDOCSIS Upstream Advanced TDMA PHY Transmitter/Receiver
Evaluation System Block Diagram
DS Filter
BCM3034
Tuner A
Tuner A
US Rx
AFE
PRN, MAC
and DMPI I/F
BCM3138
FPGA
A/D A
A/D B
US Tx
AFE X
US Tx
AFE A
BCM3037
BCM3037
US Tx
AFE B
SRAM
The BCM93138 is a complete cable network transceiver system
for frequency-agile, time-division multiple access (TDMA)
systems. It is an ideal platform for evaluating the BCM3138 Dual
Universal Advanced TDMA PHY Burst Receiver and the
BCM3037 Universal Burst Modulator chips from Broadcom.
The BCM93138 has several modes of operation, including
random burst arrival, continuous mode and TDMA with various
burst types like those defined in the DOCSIS/EuroDOCSIS
standard. Burst data can be generated internally, programmed
into internal memory, or supplied via an external test connector.
A comprehensive software package is included to control and
monitor the performance of the transceiver.
The transmitter is the BCM3037 Universal QPSK/16-QAM
Burst Modulator capable of operating in all
DOCSIS/EuroDOCSIS modes with integrated 10-bit DAC and
pre-equalization. The transmitter can operate in both continuous
and burst modes. The BCM3034 Universal headend modulator is
used to emulate advanced TDMA PHY equipped CPE by
creating the upstream advanced TDMA PHY signal for system
evaluation.
The FPGA controller has a 64K x 16-bit RAM for pattern storage
and/or data capture. It also implements basic
DOCSIS/EuroDOCSIS MAC functions, data generation and
verification. Access to the controller is via a printer port or RS-
232 to PC host.
The receiver module operates in a 5–65 MHz range with multiple
options for the analog front end. These include wideband direct
sampling and narrowband sampling (typically using a low-IF
carrier) with either external or chip-internal A/D converters. The
receiver can operate in multiple modes: continuous mode, single
burst type with external Receive_now, single burst type with
random arrival and full DOCSIS/EuroDOCSIS burst types.
The BCM93138 represents the industry’s first complete
DOCSIS/EuroDOCSIS-based silicon solution for the cable
upstream channel supporting advanced TDMA PHY features and
®
is based on Broadcom’s field-proven QAMLink technology. It
comes complete with schematics, gerber file, Bill of Materials
(BOM), data sheet, software source code and application support.
®
®
®
Broadcom , the pulse logo, QAMLink and Connecting everything are trademarks of
Broadcom Corporation and/or its subsidiaries in the United States and certain other countries.
All other trademarks are the property of their respective owners.
®
Phone: 949-450-8700
FAX: 949-450-8710
Email: info@broadcom.com
Web: www.broadcom.com
BROADCOM CORPORATION
16215 Alton Parkway, P.O. Box 57013
Irvine, California 92619-7013
© 2002 by BROADCOM CORPORATION. All rights reserved.
93138-PB05-R-11.22.02
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