Invention Grant
US09350574B2 Adaptive real-time control of de-emphasis level in a USB 3.0 signal conditioner based on incoming signal frequency range
有权
根据输入信号频率范围，自适应实时控制USB 3.0信号调节器的去加重电平
- Patent Title: Adaptive real-time control of de-emphasis level in a USB 3.0 signal conditioner based on incoming signal frequency range
- Patent Title (中): 根据输入信号频率范围，自适应实时控制USB 3.0信号调节器的去加重电平
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Application No.: US14183211Application Date: 2014-02-18
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Publication No.: US09350574B2Publication Date: 2016-05-24
- Inventor: Huawen Jin , Jawaid Ahmad , Yaqi Hu
- Applicant: TEXAS INSTRUMENTS INCORPORATED
- Applicant Address: US TX Dallas
- Assignee: TEXAS INTRUMENTS INCORPORATED
- Current Assignee: TEXAS INTRUMENTS INCORPORATED
- Current Assignee Address: US TX Dallas
- Agent Gregory J. Albin; Frank D. Cimino
- Main IPC: H03H7/30
- IPC: H03H7/30 ; H04L25/03 ; H04L25/02
Abstract:
An apparatus comprises a differential equalizer having: a) a first differential input, b) a second differential input, c) a first differential output, and d) a second differential output; a frequency detector coupled to the first and second differential inputs; an amplifier coupled to a first differential output and a second differential output of the differential equalizer; and a logical combiner having a first input coupled to an output of the frequency detector and an output coupled to a control input of the amplifier, wherein the logical combiner can mask at least one received de-emphasis parameter.
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