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DMPG-100


Applications
+ Multipath generation for DTV
+ Option to StraTek 8-VSB modulator VT-100
Key Features
+ Direct digital interface to StraTek 8-VSB modulator VT-100 which conforms to the US ATSC HDTV standard
+ Multipath parameter sets easily entered using keypad and displayed on LCD with the last used multipath pattern retrievable on next power up
+ Full digital implementation to preserve signal fidelity

Specifications
+ Generation of static ghosts with their attenuation, time delay, and phase parameters independently controllable by accepting 12 bit 8-VSB modulated input
+ Six independent paths, including one main path and five ghost paths
+ Relative attenuation variable from 0 to - 40 dB in steps of 1 dB
+ Relative time delay variable from -10 to 50 ms to accommodate both pre- and postghosts in steps of 0.1usec.
+ Relative phase variable from 0o to 360o in steps of 1o
+ Final output incorporating multipath fading available as analog output using 12 bit DAC

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