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> Wavecom UCM4540 digital qam modulator/upconvertor
Wavecom UCM4540 digital qam modulator/upconvertor
WaveCom UCM4540 Digital QAM Modulator/Upconvertor
WaveCom's UCM4540 is designed for Digital video on demand applications. It is comprised of a single versatile QAM Modulator and QAM Upconverter. The fully digital modulators may be configured for QPSK, 16, 32, 64, 128, or 256 QAM operation. The input MPEG2 Transport streams are encoded for error correction, modulated and upconverted into 6 or 8 MHz bandwidth channels in the 53 to 857 MHz frequency range. The RF output level is +61 dBmV maximum.
The UCM4540 is remotely controllable over a serial RS232, RS485, and Terminal. Full control of the unit, including output frequency and level as well as modulator parameters such as modulation type, symbol rate, excess bandwidth, encoding, etc. is accomplished via the front panel or WaveCom's Demonstration MultiAgile software. Status and alarm data can also be viewed either from the front panel or remotely.
This unit has the following features:
* Independent QAM Modulator and Upconverter in a 1U chassis
* Fully agile upconverter covers entire frequency range of 53 to 857 MHz
* Fully synthesized tuning for drift free operation (12.5 kHz step size)
* Includes nonvolatile memory to save configuration through power down and power loss
* Programmable, remotely controllable units using RS232, RS485, Terminal
* High reliability, state-of-the-art design using Microstrip MMIC and Surface Mount technology
* Conservative component derating and 100% burin in help ensure reliable operation
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