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December 2001FOR
IMMEDIATE RELEASE
Line Driver Patent
Cleans Up Clipping Behavior
MILFORD, MA – THAT Corporation
announces that its Chief Technology Officer, Gary K. Hebert, has been
awarded U.S. Patent No. 6,316,970 describing a "Floating
Balanced, Output Circuit". Hebert’s invention is a significant
improvement in output driver design because, unlike conventional IC
drivers feeding single-ended equipment, the new circuit keeps large,
uncontrolled ground currents from flowing when the output is clipped.
In typical audio installations like
recording studios, live sound venues, and broadcast environments,
these large spikes of current, often exceeding 50 milliamps, may take
unpredictable paths before returning to the source. This return
current has a tendency to crosstalk into the audio signal, resulting
in a disturbance that is substantially more audible than simple
clipping. Hebert’s new circuit maintains equal and opposite current
in its two output lines even when clipped into single-ended loads,
thus preventing this audible artifact.
The first devices to use the new
patented technology are the THAT 1606 and THAT 1646 OutSmarts™
Balanced Line Drivers. These ICs, which also incorporate patented
technology licensed from Audio Toys, Inc. are targeted towards the
professional, industrial, and high-end consumer product manufacturers.
For more information contact:
THAT Corporation, 45 Sumner Street, Milford, MA 01757-1656, U.S.A.
Telephone: +1 508 478-9200; Fax: +1 508 478-0990
Email: info@thatcorp.com
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