Invention Grant
US08437483B2 Active snubber for improving stability of headphone amplifiers 有权
主动缓冲器,用于提高耳机放大器的稳定性

  • Patent Title: Active snubber for improving stability of headphone amplifiers
  • Patent Title (中): 主动缓冲器,用于提高耳机放大器的稳定性
  • Application No.: US12648939
    Application Date: 2009-12-29
  • Publication No.: US08437483B2
    Publication Date: 2013-05-07
  • Inventor: Mayank Garg
  • Applicant: Mayank Garg
  • Applicant Address: US TX Dallas
  • Assignee: Texas Instruments Incorporated
  • Current Assignee: Texas Instruments Incorporated
  • Current Assignee Address: US TX Dallas
  • Agent Alan A. R. Cooper; Wade J. Brady, III; Frederick J. Telecky, Jr.
  • Main IPC: H04R3/00
  • IPC: H04R3/00
Active snubber for improving stability of headphone amplifiers
Abstract:
Audio amplifiers, particularly those employed with headphones, use snubbers to suppress or snub signals within a particular frequency range. Conventional resistive and resistor-capacitor (RC) type snubbers have a number of drawbacks (i.e., require external components and high power consumption). Here, an active snubber is provided that allows for suppression in a desired frequency range without the need for external components and with relatively small footprint and a relatively small power increase.
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