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:
Apr. 02, 2019

Filed:

Dec. 12, 2017
Applicant:

Richwave Technology Corp., Taipei, TW;

Inventors:

Chih-Sheng Chen, Taipei, TW;

Tien-Yun Peng, Taipei, TW;

Jhao-Yi Lin, Taipei, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 17/56 (2006.01); G05F 3/16 (2006.01); H03F 5/00 (2006.01); H03F 1/30 (2006.01); H01L 27/06 (2006.01); H03F 1/22 (2006.01);
U.S. Cl.
CPC ...
G05F 3/16 (2013.01); H01L 27/0629 (2013.01); H03F 1/223 (2013.01); H03F 1/301 (2013.01); H03F 1/302 (2013.01); H03F 5/00 (2013.01); H03F 2200/18 (2013.01); H03F 2200/21 (2013.01); H03F 2200/294 (2013.01); H03F 2200/451 (2013.01);
Abstract

A bias circuit includes a first transistor, a second transistor, a first resistor and a second resistor. The first end of the first transistor is coupled to a first voltage source. One end of the first resistor is coupled to the second end of the first transistor, and the other end of the first resistor is coupled to the control terminal of the first transistor. The first end of the second transistor is coupled to a second voltage source, and the second end of the second transistor is coupled to the control terminal of the first transistor. One end of the second resistor is coupled to the other end of the first resistor, and the other end of the second resistor is coupled to the control terminal of the second transistor.


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