Abstract
ng interest. The full
text and images can be obtained from the U.S. Patent Office at http://
www.uspto.gov.
7,782,139 August 24, 2010
Input Stage
Inventors: Barrie Gilbert (Portland, OR)
Assignee: Analog Devices, Inc. (Norwood, MA)
Filed: May 6, 2008.
Current US Class: 330/284 ;
330/252;
330/260
Current International Class: H03G 3/10
(20060101)
Field of Search: 330/124R,
252,253,
284,260,295
U.S. Patent Documents
5815037 Sep., 1998 Tomasini et al.
6329865 Dec., 2001 Hageraats et al.
Abstract—An i