Invention Grant
- Patent Title: Amplifier for processing differential input using amplifier circuits with different driving capabilities and/or different frequency compensation characteristics
- Patent Title (中): 用于使用具有不同驱动能力和/或不同频率补偿特性的放大器电路处理差分输入的放大器
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Application No.: US12882208Application Date: 2010-09-15
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Publication No.: US08237497B2Publication Date: 2012-08-07
- Inventor: Sung-Han Wen
- Applicant: Sung-Han Wen
- Applicant Address: TW Science-Based Industrial Park, Hsin-Chu
- Assignee: Mediatek Inc.
- Current Assignee: Mediatek Inc.
- Current Assignee Address: TW Science-Based Industrial Park, Hsin-Chu
- Agent Winston Hsu; Scott Margo
- Main IPC: H03F3/45
- IPC: H03F3/45
Abstract:
An amplifier processes a differential input received at a differential input port. The amplifier includes a first amplifier circuit and a second amplifier circuit. The first amplifier circuit is disposed in a first signal path between a first input node and a first output node of the amplifier, and arranged to amplify a first input signal received at the first input node and accordingly generate a first amplified signal to the first output node. The second amplifier circuit is disposed in a second signal path between a second input node and a second output node of the amplifier, and arranged to amplify a second input signal received at the second input node and accordingly generate a second amplified signal to the second output node. A driving capability of the first amplifier circuit is different from a driving capability of the second amplifier circuit.
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