the BCM93137 represents a complete evaluation system for a cable upstream physical layer solution including: bcm3037: docsis/eurodocsis compliant qpsk/16qam burst modulator bcm3137 docsis/eurodocsis compliant qpsk/ 16-qam burst demodulator. dramatically reduces time to market by providing a complete reference design for an docsis/eurodocsis compliant cable upstream implementation, including qamlink software. implements pre-equalization for improved performance in heavily impaired cable channels. ideal for digital cable set-top boxes, modems and telephony implementations, as well as wireless mmds, lmds and digital radio applications. self-contained subscriber and headend system with seamless interface between subscriber and headend components (bcm3037 and bcm3137, respectively). the broadcom BCM93137 upstream cable burst modulator/demodulator evaluation system provides: docsis/eurodocsis, ieee802.14, davic and dvb-compliant upstream evaluation system programmable modulation formats (qpsk and 16-qam) variable symbol rates from 160 kbaud to 4.096 mbaud for qpsk or 2.56 mbaud for 16-qam frequency agile from 5 to 42 mhz 50 db dynamic range for transmitter and receiver full reed-solomon encoder/decoder with programmable 23-bit derandomizer multiple operation modes: continuous, docsis/eurodocsis, random-arrival and time division multiplexer (tdm) microcontroller for stand-alone operation includes easy-to-use qamlink evaluation software docsis/eurodocsis upstream qpsk/16-qam burst modulator/demodulator evaluation system BCM93137 features summary of benefits BCM93137 upstream burst modulator/demodulator product brief BCM93137
the BCM93137 is a complete cable network transceiver for frequency agile, time-division multiple access (tdma) systems. it is an ideal platform for evaluating the bcm3137 universal burst qpsk/16-qam receiver and the bcm3037 universal burst modulator chips from broadcom. the BCM93137 has numerous modes of operation including constant carrier, random arrival tdma, continuous arrival tdma, and random multiple burst types like those defined in the docsis/eurodocsis standard. burst data can be generated internally, programmed into ram, or supplied via an external test connector. a comprehensive software package is included to control and monitor the performance of the transceiver. the receiver module operates in a 5-42 mhz range with if sampling. it also has an adjustable final if frequency, and iq baseband input. the receiver is capable of operating in multiple modes: constant carrier, single burst type with external receive now, single burst type with random arrival and full docsis/eurodocsis burst types. 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 continuos and burst modes. the xilinx fpga controller (xc4062) 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 BCM93137 represents the industry s first complete docsis/eurodocsis-based silicon solution for the cable upstream channel and is based on broadcom s field-proven qamlink technology. it comes complete with schematics, gerber file, bill of materials (bom), datasheets, software source code and application support. BCM93137 overview bcm3037 burst transmitter bcm3137 burst receiver tuner power amp fpga controller uproc ram power console parallel port rxin txout for more information please contact us at: phone: 949-450-8700, fax: 949-450-8710 email: info@broadcom.com visit our web site at: www.broadcom.com ? 2000 broadcom corporation 93137-pb05-r-10.25.00 broadcom and the pulse logo are registered trademarks of broadcom corporation. qamlink is a trademark of broadcom corporation. broadcom corporation 16215 alton parkway, p.o. box 57013 irvine, california 92619-7013
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