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:
Aug. 03, 2021
Filed:
Jul. 20, 2018
Applicant:
Purifi Aps, Hojbjerg, DK;
Inventors:
Bruno Putzeys, Achel, BE;
Lars Risbo, Hvalso, DK;
Assignee:
PURIFI APS, Hojbjerg, DK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/21 (2006.01); H03F 3/217 (2006.01);
U.S. Cl.
CPC ...
H03F 3/2171 (2013.01); H03F 2200/126 (2013.01); H03F 2200/141 (2013.01); H03F 2200/171 (2013.01); H03F 2200/78 (2013.01);
Abstract
An amplifier comprising a gain stage with a feedback network comprising two ports between which at least three capacitors are connected in series and between each pair of capacitors a resistor is connected to a predetermined voltage. The gain stage is provided in a feedback loop over a primary amplifier.