Invention Grant
US09444406B1 Amplifier topology achieving high DC gain and wide output voltage range
有权
放大器拓扑实现高直流增益和宽输出电压范围
- Patent Title: Amplifier topology achieving high DC gain and wide output voltage range
- Patent Title (中): 放大器拓扑实现高直流增益和宽输出电压范围
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Application No.: US14985677Application Date: 2015-12-31
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Publication No.: US09444406B1Publication Date: 2016-09-13
- Inventor: Michael H. Perrott , Srisai R. Seethamraju , Timothy A. Monk
- Applicant: Silicon Laboratories Inc.
- Applicant Address: US TX Austin
- Assignee: Silicon Laboratories Inc.
- Current Assignee: Silicon Laboratories Inc.
- Current Assignee Address: US TX Austin
- Agency: Abel Law Group, LLP
- Main IPC: H03M1/34
- IPC: H03M1/34 ; H03F1/02 ; H03F3/45 ; H03M1/12
Abstract:
An amplifier topology achieves enhances DC gain to improve linearity while maintaining a good signal to noise ratio. The amplifier includes an amplifier output stage that supplies an amplifier output signal. The amplifier also includes a sense amplifier that augments the output stage. The sense amplifier is coupled to the amplifier input to control current through the output stage in order to achieve reduced voltage variation at the amplifier input as a function of the amplifier output signal voltage as compared to a basic common source amplifier and thereby enhances DC gain of the amplifier.
Information query
IPC分类:
