Signal processor
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United States of America Patent
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Jun 16, 1998
Grant Date -
N/A
app pub date -
Nov 20, 1995
filing date -
Dec 22, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention discloses a so called Discrete Multi Tone or DMT signal processor which is coupled to a transmitting end of a communication line and which reduces the need for the clipping of the amplitude of the output signal OS'. The signal processor includes the cascade connection of a vector transformation circuit VTC, a modulator MOD and a peak detection circuit PDC. The VTC circuit is provided with a plurality of input vectors IN whereon a vector transformation is performed according to a signal at a control terminal (CT) of the peak detection circuit PDC which is indicative of the fact that the amplitude of the output signal OS provided by the modulator MOD exceeds a predetermined threshold value.
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