公开(公告)号：US11749893B2

公开(公告)日：2023-09-05

申请号：US16420111

申请日：2019-05-22

Applicant: Silicon Laboratories Inc.

Inventor： Thomas E. Voor ,  Attila Zolomy ,  Pasi Rahikkala

IPC: H01Q7/00 ,  H03H7/38 ,  H01Q1/22

CPC classification number: H01Q7/005 ,  H01Q1/2291 ,  H03H7/38

Abstract: An apparatus includes a module, which includes an impedance matching circuit. The apparatus further includes a capacitor that is external to the module, and is coupled to the impedance matching circuit. The apparatus further includes a loop antenna to transmit or receive the RF signals. The loop antenna is coupled to the capacitor.

公开(公告)号：US20220216610A1

公开(公告)日：2022-07-07

申请号：US17705257

申请日：2022-03-25

Applicant: Silicon Laboratories Inc.

Inventor： Thomas E. Voor ,  Attila Zolomy ,  Pasi Rahikkala

IPC: H01Q7/00 ,  H03H7/38 ,  H01Q1/22

Abstract: An apparatus includes a module, which includes an impedance matching circuit. The apparatus further includes a capacitor that is external to the module, and is coupled to the impedance matching circuit. The apparatus further includes a loop antenna to transmit or receive the RF signals. The loop antenna is coupled to the capacitor.

公开(公告)号：US20220216607A1

公开(公告)日：2022-07-07

申请号：US17705247

申请日：2022-03-25

Applicant: Silicon Laboratories Inc.

Inventor： Attila Zolomy ,  Pasi Rahikkala ,  Thomas E. Voor

IPC: H01Q7/00 ,  H01Q1/50 ,  H01Q9/14 ,  H01Q1/22

Abstract: An apparatus includes a radio frequency (RF) circuit to transmit or receive RF signals. The apparatus further includes a loop antenna to transmit or receive the RF signals. The apparatus further includes an impedance matching circuit coupled to the RF circuit and to the loop antenna. The impedance matching circuit includes lumped reactive components.

公开(公告)号：US20200212871A1

公开(公告)日：2020-07-02

申请号：US16237511

申请日：2018-12-31

Applicant: Silicon Laboratories Inc.

Inventor： Attila Zolomy ,  Pasi Rahikkala

IPC: H03H7/38 ,  H04B1/04 ,  H04B1/18 ,  H01Q5/335

Abstract: An apparatus includes an impedance matching circuit for matching an impedance of a high quality factor (high-Q) antenna to an impedance of a radio-frequency (RF) circuit. The impedance matching network includes a first reactive network. The impedance matching network also includes a second reactive network coupled in series with the first reactive network. The second reactive network includes a reactive component realized by multiple reactive components so as to reduce sensitivity of the impedance matching network to component tolerances in the second reactive network.

公开(公告)号：US20190363431A1

公开(公告)日：2019-11-28

申请号：US16439458

申请日：2019-06-12

Applicant: Silicon Laboratories Inc.

Inventor： Pasi Rahikkala ,  Attila Zolomy

IPC: H01Q1/38 ,  H01Q9/14 ,  H01Q9/04 ,  H01Q1/24

Abstract: An apparatus includes a radio frequency (RF) circuit to transmit or receive RF signals, and a partitioned antenna structure. The partitioned antenna structure includes a first portion of a resonator and a first portion of a radiator. The first portion of the resonator comprises less than an entire resonator. The first portion of the radiator comprises less than an entire radiator.

公开(公告)号：US20240195063A1

公开(公告)日：2024-06-13

申请号：US18079124

申请日：2022-12-12

Applicant: Silicon Laboratories Inc.

Inventor： Marton Komancsik ,  Zoltan Vida ,  Attila Zolomy

IPC: H01Q5/10 ,  H01Q1/38 ,  H01Q1/50

CPC classification number: H01Q5/10 ,  H01Q1/38 ,  H01Q1/50

Abstract: A dual resonant wideband meandered PCB antenna is disclosed. The antenna includes two meandered paths that are joined at a common feeding path. The meandered paths have different lengths, which results in different resonance frequencies. The antenna may also include a short circuit stub connected to the feeding path for impedance matching. In some embodiments, the antenna is formed on one layer of a printed circuit board. In another embodiment, to conserve space, the antenna may be formed on multiple layers of the printed circuit board.

公开(公告)号：US11764749B2

公开(公告)日：2023-09-19

申请号：US16724160

申请日：2019-12-20

Applicant: Silicon Laboratories Inc.

Inventor： Attila Zolomy ,  Pasi Rahikkala ,  Tuomas Hänninen

IPC: H01Q7/00 ,  H03H7/38 ,  H04B1/04 ,  H04B1/18

CPC classification number: H03H7/383 ,  H01Q7/005 ,  H04B1/0458 ,  H04B1/18

Abstract: An apparatus includes a module. The module includes a radio frequency (RF) circuit to transmit or receive RF signals, and a loop antenna to transmit or receive the RF signals. The module further comprises an impedance matching circuit coupled to the RF circuit and to the loop antenna. The impedance matching circuit comprises lumped reactive components.

公开(公告)号：US11757188B2

公开(公告)日：2023-09-12

申请号：US17705247

申请日：2022-03-25

Applicant: Silicon Laboratories Inc.

Inventor： Attila Zolomy ,  Pasi Rahikkala ,  Thomas E. Voor

IPC: H01Q1/50 ,  H01Q7/00 ,  H01Q9/14 ,  H01Q1/22 ,  H01Q23/00

CPC classification number: H01Q7/00 ,  H01Q1/2225 ,  H01Q1/50 ,  H01Q9/14 ,  H01Q23/00

Abstract: An apparatus includes a radio frequency (RF) circuit to transmit or receive RF signals. The apparatus further includes a loop antenna to transmit or receive the RF signals. The apparatus further includes an impedance matching circuit coupled to the RF circuit and to the loop antenna. The impedance matching circuit includes lumped reactive components.

公开(公告)号：US11750167B2

公开(公告)日：2023-09-05

申请号：US15823319

申请日：2017-11-27

Applicant: Silicon Laboratories Inc.

Inventor： Attila Zolomy ,  Christopher L. McCrank

IPC: H03H7/40 ,  H04B1/18 ,  H03H7/38 ,  H04B1/00 ,  H03F3/19 ,  H03F3/24 ,  H03F1/56 ,  H03F3/45

CPC classification number: H03H7/40 ,  H03F1/565 ,  H03F3/19 ,  H03F3/245 ,  H03F3/45475 ,  H03H7/38 ,  H04B1/18 ,  H03F2200/294 ,  H03F2200/451 ,  H03F2203/45731 ,  H03H2007/386 ,  H04B1/0092

Abstract: A radio-frequency (RF) apparatus includes a wideband receive (RX) impedance matching circuit to provide a received differential RF signal to RF receive circuitry. The wideband RX impedance matching circuit includes first and second inductors to receive the differential RF signal. The wideband RX impedance matching circuit further includes a third inductor coupled across an input o the RF receive circuitry. The third inductor performs the functionality of a capacitor having a negative capacitance value.

公开(公告)号：US20220216609A1

公开(公告)日：2022-07-07

申请号：US17705260

申请日：2022-03-25

Applicant: Silicon Laboratories Inc.

Inventor： Attila Zolomy ,  Thomas E. Voor ,  Zoltan Vida

IPC: H01Q7/00 ,  H01Q1/38 ,  H01Q1/22 ,  H01Q1/52 ,  H01Q9/04 ,  H01Q1/48

Abstract: An apparatus includes a substrate and a loop antenna formed using the substrate. The loop antenna includes a set of gaps formed to isolate a first part of the loop antenna from a second part of the loop antenna.