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Wavecom QHD4040
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The QHD4040 is a Quad digital upconverter which achieves previously unavailable density and conservation of headend rack space for upconverter intensive applications such as digital video on demand (DVOD) and cable modem service. Advanced design allows a single card to cover a frequency band from 88 to 858 MHz and still maintain a phase noise specification which exceeds the requirements of 64/256 QAM. Remarkably low out of band noise performance and low spurious are achieved through high level mixing, a microwave frequency IF and multiple levels of filtering. Each chassis with common power supply contains 4 independent frequency agile upconverters in a 1U rack mount configuration. The redundancy features of this product make it suitable for the most demanding applications. Built in power detectors allow for easy input and output level configuration. The controller module features a remote control interface (with optional SNMP), allowing full control and monitoring of all frequencies and levels. This advanced, cost effective upconverter offers high performance, flexibility and space efficiency.

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