US 12,301,175 B2
Transformer for low loss and apparatus including the same
Kihyun Kim, Suwon-si (KR); Sangho Lee, Suwon-si (KR); Jinhyun Kim, Suwon-si (KR); and Hyunchul Park, Suwon-si (KR)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Oct. 11, 2022, as Appl. No. 17/963,693.
Application 17/963,693 is a continuation of application No. PCT/KR2021/018978, filed on Dec. 14, 2021.
Claims priority of application No. 10-2020-0175726 (KR), filed on Dec. 15, 2020.
Prior Publication US 2023/0031672 A1, Feb. 2, 2023
Int. Cl. H03H 7/00 (2006.01); H03F 1/56 (2006.01); H03F 3/195 (2006.01)
CPC H03F 1/565 (2013.01) [H03F 3/195 (2013.01); H03F 2200/451 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A transformer comprising:
a first primary inductor;
a second primary inductor;
a secondary inductor; and
a power amplifier coupled with the secondary inductor,
wherein the secondary inductor is disposed between the first primary inductor and the second primary inductor,
wherein the secondary inductor is disposed apart from the first primary inductor and the second primary inductor,
wherein a first parasitic capacitor is formed by the first primary inductor and the secondary inductor,
wherein a second parasitic capacitor is formed by the second primary inductor and the secondary inductor, and
wherein the second parasitic capacitor is impedance-matched with an equivalent capacitor of the power amplifier.