The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 06, 2003
Filed:
Oct. 26, 2001
Applicant:
Inventors:
Johan Hendrik Huijsing, Schipluiden, NL;
Behzad Shahi, San Jose, CA (US);
Assignee:
Maxim Integrated Products, Inc., Sunnyvale, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/45 ;
U.S. Cl.
CPC ...
H03F 3/45 ;
Abstract
Constant GM models and GM-controlled current-isolated indirect-feedback instrumentation amplifiers. The constant GM models provide a transconductance that is proportional to the inverse of a resistance in the constant GM model circuits over a wide range of common mode and differential mode inputs. Current-isolated indirect-feedback instrumentation amplifiers using constant GM models to track the common mode and differential inputs of, and provide the tail currents for, the differential input pair in the transconductance amplifiers greatly enhance the instrumentation amplifier performance in numerous ways.