Oscillograph with frequency response compensation circuit

Oscillograph with frequency response compensation circuit

  • CN 103,543,310 A
  • Filed: 07/10/2012
  • Published: 01/29/2014
  • Est. Priority Date: 07/10/2012
  • Status: Active Application
First Claim
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1. an oscillograph with frequency response compensation circuit, comprise front-end circuit and A/D convertor circuit, described front-end circuit comprises the signal input module being connected in series successively, input resistance module and AFE (analog front end) amplifying circuit module, it is characterized in that, described oscillograph also comprises at least one RLC series resonant circuit, one end ground connection of described RLC series resonant circuit, the other end is connected to being connected in series on line between signal input module and input resistance module, or the other end is connected to being connected in series on line between input resistance module and AFE (analog front end) amplifying circuit module, frequency response while at least there is crest at a certain frequency place for compensating described front-end circuit, the resonance frequency of described RLC series resonant circuit is identical with the frequency that occurs crest place.

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