-
公开(公告)号：US09577631B2
公开(公告)日：2017-02-21
申请号：US15012859
申请日：2016-02-02
Applicant: RichWave Technology Corp.
Inventor： Chih-Sheng Chen , Ching-Wen Hsu
IPC: H01P5/12 , H03K17/687 , H01P1/15 , H01P1/10
CPC classification number: H03K17/6871 , H01P1/10 , H01P1/15 , H03K17/693
Abstract: A single-pole multi-throw switch includes a set of selection switches. The set of selection switches includes a set of primary switches, a first set and a second set of secondary switches. The primary set of switches includes a plurality of primary transistors coupled in series for transmitting radio frequency signals. The first set of secondary switches is coupled to the primary set of switches and includes a plurality of first secondary transistors coupled in series for transmitting the radio frequency signals when the primary transistors and the first secondary transistors are turned on. The second set of secondary switches is coupled to the primary set of switches and includes a plurality of second secondary transistors coupled in series for transmitting the radio frequency signals when the primary transistors and the second secondary transistors are turned on.
Abstract translation: 单刀多掷开关包括一组选择开关。 选择开关组包括一组主开关，第一组和第二组二次开关。 主要的开关组包括串联耦合的多个主晶体管用于发射射频信号。 第一组次级开关耦合到初级开关组，并且包括串联耦合的多个第一次级晶体管，用于当主晶体管和第一二级晶体管导通时发射射频信号。 第二组次级开关耦合到初级开关组，并且包括串联耦合的多个第二次级晶体管，用于在主晶体管和第二次级晶体管导通时发射射频信号。
-
公开(公告)号：US11108366B2
公开(公告)日：2021-08-31
申请号：US16509450
申请日：2019-07-11
Applicant: RichWave Technology Corp.
Inventor： Chih-Sheng Chen , Ching-Wen Hsu
Abstract: An amplifier circuit includes an output terminal, an amplification unit and a switch. The output terminal is used to output an amplification signal. The amplification unit includes a first transistor and a second transistor. The first transistor includes a control terminal for receiving a first input signal, a first terminal coupled to the output terminal for outputting an amplified first input signal, and a second terminal. The second transistor includes a control terminal for receiving a second input signal, a first terminal coupled to the output terminal for outputting an amplified second input signal, and a second terminal. The switch includes a first terminal coupled to the second terminal of the first transistor, and a second terminal. The amplification signal is generated using at least the amplified first input signal and/or the amplified second input signal.
-
公开(公告)号：US20210067120A1
公开(公告)日：2021-03-04
申请号：US16687700
申请日：2019-11-19
Applicant: RichWave Technology Corp.
Inventor： Chih-Sheng Chen , Jhao-Yi Lin , Ching-Wen Hsu
IPC: H03G3/30
Abstract: An amplification device includes an amplification circuit, an inductor, a regulator, and a impedance circuit. The amplification circuit has an input terminal for receiving a radio frequency signal, and an output terminal for outputting an amplified radio frequency signal. The inductor has a first terminal, and a second terminal coupled to the output terminal of the amplification circuit. The regulator is coupled to the first terminal of the inductor and generates a steady voltage and/or a steady current. The impedance circuit has a first terminal coupled to the output terminal of the amplification circuit, and a second terminal coupled to a first system voltage terminal. The impedance circuit provides a low frequency impedance path to suppress a beat frequency signal in the amplified radio frequency signal.
-
公开(公告)号：US10938354B2
公开(公告)日：2021-03-02
申请号：US16386293
申请日：2019-04-17
Applicant: RichWave Technology Corp.
Inventor： Jhao-Yi Lin , Chih-Sheng Chen , Ching-Wen Hsu
Abstract: An amplification device includes an amplification circuit and a protection circuit. The amplification circuit includes a transistor having a first terminal for outputting an amplified radio frequency signal, a second terminal, and a control terminal coupled to the input terminal of the amplification circuit for receiving a radio frequency signal to be amplified. The protection circuit has a first terminal coupled to the output terminal or the input terminal of the amplification circuit, and a second terminal. The protection circuit includes a switch and a first voltage clamping unit. The switch unit is turned on or turned off according to a control signal. The first voltage clamping unit is coupled to the switch unit for clamping a voltage at the first terminal of the protection circuit within a predetermined region when the switch unit is turned on.
-
公开(公告)号：US20170272059A1
公开(公告)日：2017-09-21
申请号：US15201520
申请日：2016-07-04
Applicant: RichWave Technology Corp.
Inventor： Chih-Sheng Chen , Ching-Wen Hsu , Chien-Yu Li
CPC classification number: H03K3/012 , H03F1/223 , H03F1/565 , H03F3/193 , H03F3/72 , H03F2200/222 , H03F2200/451 , H03F2203/7233 , H03H11/28 , H03K17/16 , H04B1/18
Abstract: An active circuit includes an active element, an input unit, and a bypass unit. The active element is coupled to an output terminal of the active circuit for outputting an output signal. The input unit is coupled to an input terminal of the active circuit, and is coupled to an input terminal of the active element through a node. The input unit adjusts a capacitance value of the input unit according to a first control signal. The bypass unit is coupled to an output terminal of the input unit through the node, and is coupled to the output terminal of the active circuit. The bypass unit turns on or off a signal bypassing path according to a second control signal.
-
Patent Agency Ranking
公开(公告)号：US20160241236A1
公开(公告)日：2016-08-18
申请号：US15012859
申请日：2016-02-02
Applicant: RichWave Technology Corp.
Inventor： Chih-Sheng Chen , Ching-Wen Hsu
IPC: H03K17/687
CPC classification number: H03K17/6871 , H01P1/10 , H01P1/15 , H03K17/693
Abstract: A single-pole multi-throw switch includes a set of selection switches. The set of selection switches includes a set of primary switches, a first set and a second set of secondary switches. The primary set of switches includes a plurality of primary transistors coupled in series for transmitting radio frequency signals. The first set of secondary switches is coupled to the primary set of switches and includes a plurality of first secondary transistors coupled in series for transmitting the radio frequency signals when the primary transistors and the first secondary transistors are turned on. The second set of secondary switches is coupled to the primary set of switches and includes a plurality of second secondary transistors coupled in series for transmitting the radio frequency signals when the primary transistors and the second secondary transistors are turned on.
Abstract translation: 单刀多掷开关包括一组选择开关。 选择开关组包括一组主开关，第一组和第二组二次开关。 主要的开关组包括串联耦合的多个主晶体管用于发射射频信号。 第一组次级开关耦合到初级开关组，并且包括串联耦合的多个第一次级晶体管，用于当主晶体管和第一二级晶体管导通时发射射频信号。 第二组次级开关耦合到初级开关组，并且包括串联耦合的多个第二次级晶体管，用于在主晶体管和第二次级晶体管导通时发射射频信号。
-
公开(公告)号：US12107548B2
公开(公告)日：2024-10-01
申请号：US17229809
申请日：2021-04-13
Applicant: RichWave Technology Corp.
Inventor： Pin-Yi Huang , Chih-Sheng Chen , Ching-Wen Hsu
CPC classification number: H03F1/0205 , H03F3/19 , H03G3/30 , H03F1/083 , H03F1/223
Abstract: An amplifier circuit includes an input terminal used to receive an input signal, an output terminal used to output an output signal, an amplification unit, and a phase adjustment unit. The amplification unit includes an input terminal coupled to the input terminal of the amplifier circuit, an output terminal coupled to the output terminal of the amplifier circuit, a first terminal coupled to a first voltage terminal, and a second terminal coupled to a second voltage terminal. The phase adjustment unit is coupled to the amplification unit. When the amplifier circuit is operated in a first mode, the output signal has a first phase, and when the amplifier circuit is operated in a second mode, the output signal has a second phase. A difference between the first phase and the second phase is within a predetermined range.
-
公开(公告)号：US20230031137A1
公开(公告)日：2023-02-02
申请号：US17499831
申请日：2021-10-12
Applicant: RICHWAVE TECHNOLOGY CORP.
Inventor： CHIH-SHENG CHEN , Ching-Wen Hsu
Abstract: An amplifier circuit having an adjustable gain is provided. The amplifier circuit includes an input terminal, an output terminal, an amplifier, and an attenuation circuit. The input terminal receives an input signal, which is in turn received by an input terminal of the amplifier. An output terminal of the amplifier outputs the input signal that is amplified. The attenuation circuit is coupled between the output terminal of the amplifier and the output terminal to provide a plurality of attenuation to the input signal that is amplified and generate a first attenuation signal, or between the input terminal and the output terminal to provide the plurality of attenuations to the input signal and generate a second attenuation signal. A difference between an impedance value of the input terminal of the attenuation circuit and an impedance value of the output terminal of the attenuation circuit is within a predetermined range.
-
公开(公告)号：US11251764B2
公开(公告)日：2022-02-15
申请号：US16687700
申请日：2019-11-19
Applicant: RichWave Technology Corp.
Inventor： Chih-Sheng Chen , Jhao-Yi Lin , Ching-Wen Hsu
IPC: H03G3/30
Abstract: An amplification device includes an amplification circuit, an inductor, a regulator, and a impedance circuit. The amplification circuit has an input terminal for receiving a radio frequency signal, and an output terminal for outputting an amplified radio frequency signal. The inductor has a first terminal, and a second terminal coupled to the output terminal of the amplification circuit. The regulator is coupled to the first terminal of the inductor and generates a steady voltage and/or a steady current. The impedance circuit has a first terminal coupled to the output terminal of the amplification circuit, and a second terminal coupled to a first system voltage terminal. The impedance circuit provides a low frequency impedance path to suppress a beat frequency signal in the amplified radio frequency signal.
-
公开(公告)号：US10778158B2
公开(公告)日：2020-09-15
申请号：US16233012
申请日：2018-12-26
Applicant: RichWave Technology Corp.
Inventor： Chih-Sheng Chen , Jhao-Yi Lin , Ching-Wen Hsu
Abstract: A control circuit with a bypass function includes a first signal terminal, a second signal terminal, an output terminal, a first switch unit to a fourth switch unit, an output switch unit and a bypass unit. The first signal terminal is used for receiving a first signal. The second signal terminal is used for receiving a second signal. The first switch unit is coupled to the first signal terminal. The second switch unit is coupled between the first switch unit and the output switch unit. The third switch unit is coupled to the second signal terminal. The fourth switch unit is coupled between the third switch unit and the output switch unit. The output switch unit is coupled between the second switch unit and the output terminal. The bypass unit is coupled between the first switch unit and the output terminal to provide a bypass path corresponding to the first signal.
-
-
-
-
-
-
-
-
-
Search Results
22
records
(took 0.018 seconds)
