公开(公告)号：US20170170788A1

公开(公告)日：2017-06-15

申请号：US15202635

申请日：2016-07-06

Applicant: Airoha Technology Corp.

Inventor： Heng-Chih Lin ,  Chien-Kuang Lee ,  Yao-Te Chiu

IPC: H03F1/02 ,  H03F1/56 ,  H03F3/19

CPC classification number: H03F1/0205 ,  H03F1/223 ,  H03F1/26 ,  H03F1/565 ,  H03F3/19 ,  H03F3/193 ,  H03F3/72 ,  H03F2200/111 ,  H03F2200/216 ,  H03F2200/294 ,  H03F2200/372 ,  H03F2200/451 ,  H03F2200/492 ,  H03F2203/7209

Abstract: A low-noise amplifier (LNA), a folded low-noise amplifier (folded LNA) and an amplifier circuit module are provided. The LNA includes a plurality of radio frequency (RF) input stages, at least one bias transistor and at least one radio frequency (RF) output stage. The bias transistor is connected to theRF input stages to provide a DC bias source to one of the RF input stages for isolating others of the RF input stages. The RF output stage is connected in parallel with the RF input stages, which share an adjustable input inductor.

公开(公告)号：US11764728B1

公开(公告)日：2023-09-19

申请号：US17720312

申请日：2022-04-14

Applicant: Airoha Technology Corp.

Inventor： Yu-Hua Liu ,  Yao-Te Chiu

IPC: H03K3/0231 ,  H03B5/24 ,  H03L1/00

CPC classification number: H03B5/24 ,  H03K3/0231 ,  H03L1/00

Abstract: An oscillator includes a first current source, a second current source, a first chopper circuit, a resistive component, a capacitive component, and a processing circuit. The first current source provides a first current. The second current source provides a second current. The first chopper circuit includes a first terminal coupled to the first current source, a second terminal coupled to the second current source, a third terminal coupled to the resistive component, and a fourth terminal coupled to the capacitive component. The processing circuit generates an output clock in response to a first voltage across the resistive component and a second voltage across the capacitive component. The first chopper circuit couples the first terminal and the second terminal to the third terminal and the fourth terminal, respectively and alternately. The resistive component and the capacitive component receive the first current and the second current, respectively and alternately.

公开(公告)号：US10181818B2

公开(公告)日：2019-01-15

申请号：US15202635

申请日：2016-07-06

Applicant: Airoha Technology Corp.

Inventor： Heng-Chih Lin ,  Chien-Kuang Lee ,  Yao-Te Chiu

IPC: H03F3/04 ,  H03F1/02 ,  H03F1/56 ,  H03F3/19 ,  H03F1/22 ,  H03F1/26 ,  H03F3/193 ,  H03F3/72

Abstract: A low-noise amplifier (LNA), a folded low-noise amplifier (folded LNA) and an amplifier circuit module are provided. The LNA includes a plurality of radio frequency (RF) input stages, at least one bias transistor and at least one radio frequency (RF) output stage. The bias transistor is connected to the RF input stages to provide a DC bias source to one of the RF input stages for isolating others of the RF input stages. The RF output stage is connected in parallel with the RF input stages, which share an adjustable input inductor.