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:
Jul. 01, 2003
Filed:
Apr. 18, 2001
Applicant:
Inventor:
Valentin T. Jordanov, Durham, NH (US);
Assignee:
Canberra Industries. Inc., Meridan, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03F 3/08 ;
U.S. Cl.
CPC ...
H03F 3/08 ;
Abstract
In a preferred embodiment, a charge sensitive preamplifier for a radiation detector, including: an amplifier having a JFET input (stage) and a capacitive feedback element, the amplifier producing an output voltage (pulse) proportional to a charge (pulse) deposited at the JFET input by the radiation detector; and circuitry connected to the amplifier output and to a source node of the JFET to provide to the source node a pulsed reset signal.