US 6,982,603 B2
Radio-frequency power amplification circuit having stabilization circuit
Shin Chaki, Tokyo (Japan)
Assigned to Renesas Technology Corp., Tokyo (Japan)
Filed on Jan. 09, 2003, as Appl. No. 10/338,676.
Claims priority of application No. 2002-231948 (JP), filed on Aug. 08, 2002.
Prior Publication US 2004/0029535 A1, Feb. 12, 2004
Int. Cl. H03F 3/04 (2006.01)
U.S. Cl. 330—302 3 Claims
OG exemplary drawing
 
1. A radio-frequency power amplification circuit comprising:
an active element; and
a stabilization circuit provided upstream of said active element, wherein said stabilization circuit includes:
a first resistance element, a first end of which is connected to said active element and a second end of which is connected to an input terminal;
a second resistance element, a first end of which is connected to the second end of said first resistance element; and
a short stub, a first end of which is connected to the second end of said second resistance element and a second end of which is grounded.