4. Modulators
  5. Frequency modulator
  6. Plural modulation

Chang Jun Oh

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CMOS variable gain amplifier and control method therefor

Amplifiers – With semiconductor amplifying device – Including differential amplifier
Reexamination Certificate

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Double mode modulator

Modulators – Frequency modulator – Plural modulation
Patent

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Low offset automatic frequency tuning circuits for...

Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Reexamination Certificate

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Low pass filter

Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – Unwanted signal suppression
Patent

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Profile ID: LFUS-PAI-P-1742717

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