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.

Date of Patent:
Jan. 30, 2001

Filed:

Jan. 30, 1996
Applicant:
Inventors:

Kenji Iwai, Sapporo, JP;

Kazuhiko Kobayashi, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/06 ;
U.S. Cl.
CPC ...
H04B 1/06 ;
Abstract

An attenuator unit for attenuating a signal, the unit includes a &pgr;-type attenuator having a first resistor and second and third resistors which are arranged on both sides of the first resistor, a first transistor connected in parallel with the first resistor, and a second transistor connected between a joint node of the second resistor and the third resistor and a first voltage level. In the unit, by controlling a gate voltage of the first transistor and a gate voltage of the second transistor, an attenuation value of the attenuator unit is changed.


Find Patent Forward Citations

Quick Actions:

Iwai, Kenji. (2001). Attenuator unit, step attenuator, and electronic apparatus (U.S. Patent No. 6181922). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6181922

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…