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:
Mar. 13, 2007
Filed:
May. 04, 2005
Applicant:
Jae-seung Ko, Suwon-si, KR;
Inventor:
Jae-Seung Ko, Suwon-si, KR;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03G 3/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A gain control device of a transmitter in a mobile communication terminal is provided. The device includes a temperature sensor for sensing an external temperature, a power amplifying module for amplifying a radio frequency output, a gain control circuit for controlling a voltage gain of the power amplifying module, a fixed gain circuit for providing a fixed voltage gain to the power amplifying module, a switch for switching to connect the power amplifying module to one of the gain control circuit and the fixed gain circuit, and a controller for generating a control signal to control the switch depending on the sensed external temperature.