Huawei Technologies Co., Limited

Yixing Chu

Ding Li

Shuai Du

A polysilicon resistor is disclosed, to reduce a voltage coefficient of the polysilicon resistor. The polysilicon resistor includes: a polysilicon layer (), a voltage module (), and a substrate layer (), where the voltage module () is configured to transmit a voltage on the polysilicon layer () to the substrate layer ().

Polysilicon resistor

A circuit system including an operational amplification circuit is disclosed. The operational amplification circuit includes N stages of operational amplification units that are cascaded, an input terminal of the 1stage of operational amplification unit is an input terminal of the operational amplification circuit, and an output terminal of the Nstage of operational amplification unit is an output terminal of the operational amplification circuit; an output terminal of the istage of operational amplification unit is connected to an input terminal of the (i+1)stage of operational amplification unit, so as to provide an input signal for the (i+1)stage of operational amplification unit; and there is a feedback channel from the output terminal of the Nstage of operational amplification unit to an input terminal of each of the 1stage of operational amplification unit to the Nstage of operational amplification unit.

Growing community of inventors

Chengdu, China

Yixing Chu