Patent ID: 7154830
Filing Date: 2006-12-26
Classification: G11B

Abstract:
1. A compensation device of radio frequency ripple signal, comprising: a radio frequency ripple signal process circuit for generating the radio frequency ripple signal; a radio frequency signal process circuit for generating a radio frequency signal; a radio frequency signal peak detector, which is coupled to the output of the radio frequency signal process circuit thereby generating a radio frequency signal peak envelope; a first analog to digital converter, which is coupled to the radio frequency ripple signal process circuit for converting the radio frequency ripple signal; a second analog to digital converter, which is coupled to the radio frequency signal peak detector for converting the radio frequency signal peak envelope; a defect detector, which is coupled to the first analog to digital converter and the second analog to digital converter; a fingerprint detector, which is coupled to the first analog to digital converter and the second analog to digital converter; and an initialization controller, which is coupled to the defect detector, the fingerprint detector, the first analog to digital converter and the second analog to digital converter.