Invention Application
US20160118959A1 APPARATUS AND METHODS FOR REDUCING GLITCHES IN DIGITAL STEP ATTENUATORS 有权
用于减少数字步进衰减器中的玻璃的装置和方法

  • Patent Title: APPARATUS AND METHODS FOR REDUCING GLITCHES IN DIGITAL STEP ATTENUATORS
  • Patent Title (中): 用于减少数字步进衰减器中的玻璃的装置和方法
  • Application No.: US14719241
    Application Date: 2015-05-21
  • Publication No.: US20160118959A1
    Publication Date: 2016-04-28
  • Inventor: Yusuf Alperen AtesalPeter J. Katzin
  • Applicant: Analog Devices Global
  • Main IPC: H03H11/24
  • IPC: H03H11/24
APPARATUS AND METHODS FOR REDUCING GLITCHES IN DIGITAL STEP ATTENUATORS
Abstract:
Apparatus and methods for reducing glitches in digital step attenuators are disclosed. By configuring a multi-bit DSA such that an attenuation control block changes a plurality of control signals in a manner sequencing individual switches of the DSA, glitches can be reduced and RF signal behavior can be enhanced. The sequence, based upon a unit time delay, causes the transient attenuation value to be bounded between a minimum and maximum and can improve settling time.
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