Patents by Inventor Laiqing Wang

Laiqing Wang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Balanced Doherty power amplifier circuit and radio transmitter
    Patent number: 9608573
    Abstract: A balanced Doherty power amplifier circuit and a radio transmitter is provided. The circuit includes a first peak amplifier, where an input end of the first peak amplifier is connected to a first input end of the circuit, and a first mean amplifier, where an input end of the first mean amplifier is connected to a second input end of the circuit, and an output end of the first mean amplifier is connected to an input end of a first matching unit. The circuit also includes a second peak amplifier, where an input end of the second peak amplifier is connected to the first input end of the circuit; and a second mean amplifier, where an input end of the second mean amplifier is connected to the second input end of the circuit, and an output end of the second mean amplifier is connected to an input end of the second matching unit.
    Type: Grant
    Filed: February 19, 2016
    Date of Patent: March 28, 2017
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Kun Wang, Yongge Su, Laiqing Wang
  • Balanced Doherty Power Amplifier Circuit and Radio Transmitter
    Publication number: 20160164472
    Abstract: A balanced Doherty power amplifier circuit and a radio transmitter is provided. The circuit includes a first peak amplifier, where an input end of the first peak amplifier is connected to a first input end of the circuit, and a first mean amplifier, where an input end of the first mean amplifier is connected to a second input end of the circuit, and an output end of the first mean amplifier is connected to an input end of a first matching unit. The circuit also includes a second peak amplifier, where an input end of the second peak amplifier is connected to the first input end of the circuit; and a second mean amplifier, where an input end of the second mean amplifier is connected to the second input end of the circuit, and an output end of the second mean amplifier is connected to an input end of the second matching unit.
    Type: Application
    Filed: February 19, 2016
    Publication date: June 9, 2016
    Inventors: Kun Wang, Yongge Su, Laiqing Wang