Modem Reference Designs
Description
®
ISL837030, ISL83740
Datasheet May 2002 FN8013.
5
Modem Reference Designs
The ISL837030 and ISL83740 Broadband Wireless Modem Reference Designs support a wide range of modulation orders and symbol rates.
* In both Reference Designs, sophisticated coding, equalization, and symbol recovery techniques are employed, resulting in robust wireless link performance.
The ISL837030 and ISL83740 Reference Designs support high-capacity digital microwave radios with data rates up to 238Mbps (ISL83740) and 160Mbps (ISL837030).
They provide a flexible, high performance, economical solution for fixed wireless applications.
* Differences between the ISL837030 and ISL83740 are marked in text as needed.
Also see Release Notes on page 25.
Features
• Programmable modulation Both: QPSK, 8PSK, 16QAM, 32QAM ISL83740 only: 64QAM, 128QAM • Flexible data rates ISL83740: up to 238Mbps ISL837030: up to 160Mbps • Programmable symbol rates • Reed Solomon (RS) encoding/decoding • Concatenated coding using RS and PTCM inner code • FCC and ETSI spectral mask compliance • Powerful equalization
Includes Benefits
• Eliminates the need to develop custom ASICs • Optimizes wireless link capacity and Bit Error Rate (BER) performance • Enables rapid prototyping and compliance testing • Proven technology • Optional Evaluation Kit supports demo requirements, performance evaluation, and lab testing • Sample ISL87060MIK Modulator and ISL87060DIK Demodulator Chip Sets for development and test.
• Complete Manufacturing Documentation Package: Bill of Materials, Schematics, PCBA Fabrication Files, including Gerber Files.
• Test Documentation.
• Embedded Monitor and Control Software provides comprehensive setup and test capabilities.
Accepts commands in binary or ASCII format.
Optional Evaluation Kit
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The modem PCBA is mounted on an Evaluation Platform, allowing the modem to be set up and tested in a standard lab environment.
Includes VHF and L-band IF Interfaces and a sophisticated Graphical...
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