Invention Grant
- Patent Title: Current steering structure with improved linearity
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Application No.: US15995034Application Date: 2018-05-31
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Publication No.: US10554216B2Publication Date: 2020-02-04
- Inventor: Dan Shen , Lorenzo Crespi
- Applicant: SYNAPTICS INCORPORATED
- Applicant Address: US CA San Jose
- Assignee: SYNAPTICS INCORPORATED
- Current Assignee: SYNAPTICS INCORPORATED
- Current Assignee Address: US CA San Jose
- Agency: Haynes and Boone, LLP
- Main IPC: H03M1/08
- IPC: H03M1/08 ; H03F3/185 ; H03M1/74 ; H03M1/10 ; H03K17/0416 ; H03M1/06

Abstract:
Systems and methods are provided for improved linearity of audio amplifiers. In one example, a system includes a first current source configured to provide a first current signal having a first current source output capacitance, and a second current source configured to provide a second current signal having a second current source output capacitance, where the first and second current source output capacitances are a different value. The system further includes a first capacitor compensation device coupled to an output of the first current source configured to provide a capacitance value to compensate for the second current source output capacitance, and a second capacitor compensation device coupled to an output of the second current source configured to provide a capacitance value to compensate for the first current source output capacitance. The system further includes a plurality of switches configured to switch the first and second current signals.
Public/Granted literature
- US20190372580A1 CURRENT STEERING STRUCTURE WITH IMPROVED LINEARITY Public/Granted day:2019-12-05
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