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. 16, 2017
Filed:
Mar. 27, 2012
Applicants:
Herve Marie, Ver sur Mer, FR;
Lionel Guiraud, Blainville sur Orne, FR;
Inventors:
Herve Marie, Ver sur Mer, FR;
Lionel Guiraud, Blainville sur Orne, FR;
Assignee:
NXP, B.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03F 1/08 (2006.01); H03F 3/50 (2006.01); G11C 27/02 (2006.01);
U.S. Cl.
CPC ...
H03F 1/086 (2013.01); H03F 1/083 (2013.01); H03F 3/505 (2013.01);
Abstract
In one aspect, a buffer circuit comprises a source or emitter follower input stage and output stage. A load is provided between the stages which comprises a representation of an output load of the buffer circuit. This improves the circuit linearity whilst enabling a high input impedance to be obtained. In another aspect, a buffer circuit comprises a source or emitter follower output stage. A load is in the form of a filter is provided and which comprises a representation of an output load of the buffer circuit.