US 11,990,924 B2
Transformer-based amplifier, operating method thereof, and devices including the same
Hui Dong Lee, Daejeon (KR); Sunwoo Kong, Daejeon (KR); Bong Hyuk Park, Daejeon (KR); Seunghyun Jang, Daejeon (KR); and Seok Bong Hyun, Daejeon (KR)
Assigned to ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon (KR)
Filed by ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon (KR)
Filed on Jan. 17, 2022, as Appl. No. 17/577,272.
Claims priority of application No. 10-2021-0043186 (KR), filed on Apr. 2, 2021.
Prior Publication US 2022/0321153 A1, Oct. 6, 2022
Int. Cl. H04B 1/04 (2006.01); H03F 3/19 (2006.01)
CPC H04B 1/04 (2013.01) [H03F 3/19 (2013.01); H03F 2200/216 (2013.01); H03F 2200/301 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A millimeter wave amplifier, comprising:
a first transformer positioned on an input side of the millimeter wave amplifier;
a second transformer positioned on an output side of the millimeter wave amplifier;
one or more amplification stages positioned between the first transformer and the second transformer; and
a first phase shifter positioned on at least one of an input side and an output side of the first transformer and an input side and an output side of the second transformer.