You can find then by visiting http://www.google.com/patents
Hi All
All these pdf is US patents. You can find then by visiting http://www.google.com/patents without any charge.
United States Patent Application Publication
Pub. No.: US 2007/0103357 A1 US20070103357A1
Pub. Date: May 10, 2007
Analog-To-Digital Converter with lower power track-and-hold mode.