On-Bright Electronics (Shanghai) Co., Ltd.

Nokia Shanghai Bell Co., Ltd

Zhenhua Li

Lieyi Fang

Zhiliang Chen

Shifeng Zhao

Zhendong Wang

Chenguang Zhou

Chengyu Xu

The present disclosure provides a phase shifting apparatus and an electrically adjustable antenna. The phase shifting apparatus comprises a grounding plate; two bottom substrates respectively arranged on both sides of the grounding plate and coupled to the grounding plate; two top substrates respectively arranged on both sides of the two bottom substrates, wherein each of the top substrates and each of the bottom substrates form a phase shifting unit; a rod coupled to the two top substrates for adjusting a relative sliding movement between the two top substrates and the two bottom substrates so as to simultaneously adjust a phase of the output signal of each phase shifting unit.

Phase shifting apparatus and electrically adjustable antenna

A system and method for driving a bipolar junction transistor is provided. The system includes a first transistor including a first gate, a first terminal, and a second terminal. The first gate is configured to receive a first control signal. Additionally, the system includes a second transistor including a second gate, a third terminal, and a fourth terminal. The second gate is configured to receive a second control signal. Moreover, the system includes a first resistor including a fifth terminal and a sixth terminal. The fifth terminal is connected to the first terminal, and the sixth terminal is biased to a first predetermined voltage. The fourth terminal is biased to a second predetermined voltage. The second terminal and the third terminal are connected at a node, and the node is connected to a base for a bipolar junction transistor.

System and method for driving bipolar transistors in switching power conversion

System and method for providing switching to power regulators. According to an embodiment, the present invention provides system for providing switching. The system includes a first voltage supply that is configured to provide a first voltage. The system also includes a second voltage supply that is configured to provide a second voltage. The second voltage being independent from the first voltage. The system additionally includes a controller component that is electrically coupled to the first voltage supply. For example, the controller component being configured to receive at least a first input signal and to provide at least a first output signal. Additionally, the system includes a gate driver component that is electrically coupled to the second voltage supply. The gate driver component is configured to receive at least the first output signal and generated a second output signal in response to at least the second voltage and the first output signal.

System and method for providing switching to power regulators

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Shanghai, China

Zhenhua Li