Tomonari Ichikawa

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We report what to our knowledge is the first documented case of “peripheral T-cell lymphoma-not otherwise specified” (PTCL-NOS) associated with a rectal adenoma. Colorectal lymphomas are relatively uncommon, but colorectal T-cell lymphomas are extremely rare. The patient was a 92-year-old woman, referred to our hospital for investigation of anal bleeding.(More)
This paper proposes a continuous-time bandpass ∆ΣAD modulator architecture which performs high-accuracy AD conversion of high frequency analog signals and can be used for next-generation radio systems. We use an RF DAC inside the modulator to enable subsampling and also to make the SNDR of the continuous-time modulator insensitive to DAC sampling clock(More)
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