公开(公告)号：US20190369654A1

公开(公告)日：2019-12-05

申请号：US16425964

申请日：2019-05-30

Applicant: RichWave Technology Corp.

Inventor： Kuang-Lieh Wan

IPC: G05F3/20 ,  H02M3/158

Abstract: The reference voltage generator includes an output terminal, first to fourth resistors, first to fourth transistors, and a diode unit. The first transistor is coupled to the second transistor. The first resistor is coupled between the second transistor and a second reference voltage terminal. The first resistor is also coupled to the first transistor. One terminal of the diode unit is coupled to the output terminal, and the other terminal of the diode unit is coupled to the second and third resistors. The second and third resistors are also coupled to the first and second transistors, respectively. The third transistor is coupled between the fourth resistor and the second reference voltage terminal, and includes a control terminal coupled to the second transistor. The fourth transistor is coupled between a first reference voltage terminal and the diode unit. The fourth transistor is also coupled to the fourth resistor.

公开(公告)号：US20240213933A1

公开(公告)日：2024-06-27

申请号：US18089534

申请日：2022-12-27

Applicant: RichWave Technology Corp.

Inventor： Kuang-Lieh Wan

IPC: H03F3/195 ,  H03F1/02 ,  H03F1/56

CPC classification number: H03F3/195 ,  H03F1/0283 ,  H03F1/565

Abstract: An amplification device includes a signal input terminal, a signal output terminal, an amplification unit, a coupler, an inductive element and a capacitive element. The amplification unit includes an input terminal and an output terminal, where the input terminal is coupled to the signal input terminal. The coupler includes an input terminal, an output terminal and a coupling terminal, where the input terminal is coupled to the output terminal of the amplification unit, and the output terminal is coupled to the signal output terminal. The inductive element is coupled to the coupler in parallel and includes a first terminal and a second terminal, where the first terminal is coupled to the output terminal of the amplification unit, and the second terminal is coupled to the output terminal of the coupler. The capacitive element is coupled between the output terminal of the coupler and a reference voltage terminal.

公开(公告)号：US20220376663A1

公开(公告)日：2022-11-24

申请号：US17749159

申请日：2022-05-20

Applicant: RichWave Technology Corp.

Inventor： Kuang-Lieh Wan

IPC: H03F3/21 ,  H03F1/56

Abstract: An amplification device includes an amplification unit, an impedance unit and a log power detector. The amplification unit includes an input terminal for receiving a radio-frequency signal, an output terminal for outputting an amplified radio-frequency signal, and a detected terminal for outputting a detected signal related to the radio-frequency signal. The impedance unit is used to provide an impedance. The impedance unit includes an input terminal coupled to the detected terminal of the amplification unit for receiving the detected signal, and an output terminal for outputting a power signal. The log power detector is used to generate a power indication signal according to the power signal. The log power detector includes an input terminal coupled to the output terminal of the impedance unit, and an output terminal for outputting the power indication signal.

公开(公告)号：US20170045559A1

公开(公告)日：2017-02-16

申请号：US15158614

申请日：2016-05-19

Applicant: RichWave Technology Corp.

Inventor： Kuang-Lieh Wan

IPC: G01R21/00

CPC classification number: G01R21/00 ,  G01R21/12

Abstract: A power detection circuit includes an input end for receiving an AC input signal, a rectifier for converting the AC input signal into a rectified signal, an output end for outputting the rectified signal, at least two voltage clamp circuits, each for providing an electrical path between the output end and a reference voltage end when the rectified signal is greater than a threshold voltage of the voltage clamp circuit. A threshold voltage of at least one of the voltage clamp circuit is different from a threshold voltage of another clamp circuit.

Abstract translation: 功率检测电路包括用于接收AC输入信号的输入端，用于将AC输入信号转换为整流信号的整流器，用于输出整流信号的输出端，至少两个电压钳位电路，用于提供电路径 当整流信号大于电压钳位电路的阈值电压时，在输出端和参考电压端之间。 电压钳位电路中的至少一个的阈值电压与另一钳位电路的阈值电压不同。

公开(公告)号：US08892157B2

公开(公告)日：2014-11-18

申请号：US13714409

申请日：2012-12-14

Applicant: RichWave Technology Corp.

Inventor： Kuang-Lieh Wan

IPC: H04B1/10 ,  H04M1/00 ,  H03F3/04 ,  H03F3/191 ,  H04B1/38 ,  H01L27/02

CPC classification number: H04B1/3888 ,  H01L27/0255 ,  H01L27/0288

Abstract: An integrated passive device with electrostatic discharge protection mechanism includes an antenna terminal for receiving and transmitting a wireless signals, a first frequency terminal for receiving and transmitting a signal with a first frequency, a first filtering circuit for filtering the wireless signal, and an electrostatic discharge protection element for conducting static electricity to ground. The first filtering circuit includes a first filtering element with a first end electrically connected to the antenna terminal, a second filtering element with a first end electrically connected to a second end of the first filtering element and a second end electrically connected to the first frequency terminal, and a third filtering element with a first end electrically connected to the second end of the first filtering element and a second end electrically connected to ground. The electrostatic discharge protection element is coupled between the second end of the first filtering element and ground.

Abstract translation: 具有静电放电保护机构的集成无源器件包括用于接收和发送无线信号的天线端子，用于接收和发送具有第一频率的信号的第一频率终端，用于对无线信号进行滤波的第一滤波电路和静电放电 用于将静电导向地面的保护元件。 第一滤波电路包括第一滤波元件，第一端部与天线端子电连接;第二滤波元件，其第一端电连接到第一滤波元件的第二端;第二端电连接到第一频率端子 以及第三过滤元件，其第一端与第一过滤元件的第二端电连接，第二端与地电连接。 静电放电保护元件连接在第一过滤元件的第二端和地之间。

公开(公告)号：US20220376661A1

公开(公告)日：2022-11-24

申请号：US17749157

申请日：2022-05-20

Applicant: RichWave Technology Corp.

Inventor： Kuang-Lieh Wan

IPC: H03F3/19 ,  H03F1/56

Abstract: An amplification device includes an amplification unit, an impedance unit and a log power detector. The amplification unit includes an input terminal for receiving a radio-frequency signal, an output terminal for outputting an amplified radio-frequency signal, and a detected terminal for outputting a detected signal related to the radio-frequency signal. The impedance unit is used to provide an impedance. The impedance unit includes an input terminal coupled to the detected terminal of the amplification unit for receiving the detected signal, and an output terminal for outputting a power signal. The log power detector is used to generate a power indication signal according to the power signal. The log power detector includes an input terminal coupled to the output terminal of the impedance unit, and an output terminal for outputting the power indication signal.

公开(公告)号：US10739808B2

公开(公告)日：2020-08-11

申请号：US16425964

申请日：2019-05-30

Applicant: RichWave Technology Corp.

Inventor： Kuang-Lieh Wan

IPC: G05F3/20 ,  H02M3/158

Abstract: The reference voltage generator includes an output terminal, first to fourth resistors, first to fourth transistors, and a diode unit. The first transistor is coupled to the second transistor. The first resistor is coupled between the second transistor and a second reference voltage terminal. The first resistor is also coupled to the first transistor. One terminal of the diode unit is coupled to the output terminal, and the other terminal of the diode unit is coupled to the second and third resistors. The second and third resistors are also coupled to the first and second transistors, respectively. The third transistor is coupled between the fourth resistor and the second reference voltage terminal, and includes a control terminal coupled to the second transistor. The fourth transistor is coupled between a first reference voltage terminal and the diode unit. The fourth transistor is also coupled to the fourth resistor.

公开(公告)号：US20250118708A1

公开(公告)日：2025-04-10

申请号：US18533175

申请日：2023-12-08

Applicant: RichWave Technology Corp.

Inventor： Kuang-Lieh Wan

IPC: H01L25/065 ,  H01L23/00 ,  H01L23/66 ,  H03H7/38

Abstract: A front-end circuit and a semi-conductor device are provided. The front-end circuit includes an amplifying circuit, a switching circuit, a coupler and at least one bonding wire. The amplifying circuit has a first end for receiving a radio-frequency signal to be amplified. The switching circuit has a first end coupled to a second end of the amplifying circuit. The coupler has a first coupling element and a second coupling element arranged adjacently. A first end of the first coupling element is coupled to a second end of the switching circuit. A second end of the first coupling element is coupled to a signal transmission end. The bonding wire has a first end coupled to the first end of the first coupling element, and a second end of the bonding wire is coupled to the second end of the first coupling element.

公开(公告)号：US09952260B2

公开(公告)日：2018-04-24

申请号：US15158614

申请日：2016-05-19

Applicant: RichWave Technology Corp.

Inventor： Kuang-Lieh Wan

IPC: G01R31/00 ,  G01R21/00 ,  G01R21/12

CPC classification number: G01R21/00 ,  G01R21/12

Abstract: A power detection circuit includes an input end for receiving an AC input signal, a rectifier for converting the AC input signal into a rectified signal, an output end for outputting the rectified signal, at least two voltage clamp circuits, each for providing an electrical path between the output end and a reference voltage end when the rectified signal is greater than a threshold voltage of the voltage clamp circuit. A threshold voltage of at least one of the voltage clamp circuit is different from a threshold voltage of another clamp circuit.

公开(公告)号：US09148112B2

公开(公告)日：2015-09-29

申请号：US13742363

申请日：2013-01-16

Applicant: RichWave Technology Corp.

Inventor： Kuang-Lieh Wan

IPC: H03H7/38

CPC classification number: H03H7/38

Abstract: A matching circuit system includes a first inductor, a first capacitor, a second inductor, a second capacitor, a third inductor, and a third capacitor. The first inductor has a first terminal and a second terminal. The first capacitor has a first terminal coupled to the first terminal of the first inductor, and a second terminal. The second inductor has a first terminal coupled to the second terminal of the first capacitor, and a second terminal coupled to ground. The second capacitor has a first terminal coupled to the first terminal of the first capacitor, and a second terminal. The third capacitor has a first terminal coupled to the second terminal of the second capacitor, and a second terminal. The third inductor has a first terminal coupled to the first terminal of the second capacitor, and a second terminal coupled to the second terminal of the second capacitor.

Abstract translation: 匹配电路系统包括第一电感器，第一电容器，第二电感器，第二电容器，第三电感器和第三电容器。 第一电感器具有第一端子和第二端子。 第一电容器具有耦合到第一电感器的第一端子的第一端子和第二端子。 第二电感器具有耦合到第一电容器的第二端子的第一端子和耦合到地的第二端子。 第二电容器具有耦合到第一电容器的第一端子的第一端子和第二端子。 第三电容器具有耦合到第二电容器的第二端子的第一端子和第二端子。 第三电感器具有耦合到第二电容器的第一端子的第一端子和耦合到第二电容器的第二端子的第二端子。