公开(公告)号：US20240421108A1

公开(公告)日：2024-12-19

申请号：US18818540

申请日：2024-08-28

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Shuiming Li ,  Haijun Li ,  Zhili Zhang ,  Tao Liu ,  Jin Rao

IPC: H01L23/66 ,  H03F3/195 ,  H03F3/24

Abstract: A method includes: forming, on a substrate (10), an epitaxial layer (11) and a source conducting layer (21), where the epitaxial layer includes a first via, to form a first epitaxial layer (101) of the first transistor and a second epitaxial layer (102) of the second transistor; the source conducting layer includes a first source (211) of the first transistor and a second source (212) of the second transistor; and an edge of the first source (211) is flush with an edge of the first epitaxial layer (101) close to a side of the first via, and an edge of the second source (212) is flush with an edge of the second epitaxial layer (102) close to a side of the first via; forming a first conducting layer (13) in the first via; forming a second via; and forming a second conducting layer (14) in the second via.

公开(公告)号：US08907724B2

公开(公告)日：2014-12-09

申请号：US13900319

申请日：2013-05-22

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jin Rao ,  Quan Liu ,  Yun Zhu ,  Huajiang Wang

IPC: H03F3/45

CPC classification number: H03G3/004 ,  H03G1/0029

Abstract: The embodiments of the present invention disclose a variable gain amplifier and relate to the field of electronic circuits. The linear-in-dB relationship between an output current and a control voltage of the variable gain amplifier is relatively ideal. The variable gain amplifier includes a fitted differential module group and an offset voltage output module, where the fitted differential module group is configured to output, under the control of a driving voltage and offset voltages, an output current of the variable gain amplifier according to a reference current; and the fitted differential module group includes n fitted differential modules, the n fitted differential modules are cascaded in turn, and n is any positive integer larger than 1.

Abstract translation: 本发明的实施例公开了一种可变增益放大器，涉及电子电路领域。 输出电流与可变增益放大器的控制电压之间的线性dB关系是比较理想的。 可变增益放大器包括一个拟合的差分模块组和一个失调电压输出模块，其中所配置的差分模块组被配置为在驱动电压和偏移电压的控制下输出可变增益放大器的输出电流， 参考电流; 安装的差分模块组包括n个差分模块，n个拟合的差分模块依次级联，n为大于1的任何正整数。

公开(公告)号：US09065406B2

公开(公告)日：2015-06-23

申请号：US14141128

申请日：2013-12-26

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhi Zhang ,  Xinrong Hu ,  Jin Rao ,  Yongli Wang ,  Xiaosheng Zhu ,  Rong Peng

IPC: H03F3/45 ,  H03G1/00 ,  H03G3/30

CPC classification number: H03G1/0023 ,  H03G3/3036

Abstract: A continuous variable gain amplifier includes an attenuator network, a boost network, a first amplifying network, and a second amplifying network, where the attenuator network generates first differential output signals according to an input signal and sends the first differential output signals to the first amplifying network and the second amplifying network; the first amplifying network and the second amplifying network receive one output of the first differential output signals each, and generate a first final output signal and a second final output signal respectively according to an externally input control voltage; and the boost network receives the first final output signal and the second final output signal, generates second differential output signals, and sends a first output and a second output of the second differential output signals to the first amplifying network and the second amplifying network, respectively.

Abstract translation: 连续可变增益放大器包括衰减器网络，升压网络，第一放大网络和第二放大网络，其中衰减器网络根据输入信号产生第一差分输出信号，并将第一差分输出信号发送到第一放大网络 网络和第二放大网络; 第一放大网络和第二放大网络分别接收第一差分输出信号的一个输出，并根据外部输入的控制电压产生第一最终输出信号和第二最终输出信号; 并且升压网络接收第一最终输出信号和第二最终输出信号，产生第二差分输出信号，并且将第二差分输出信号的第一输出和第二输出分别发送到第一放大网络和第二放大网络 。