发明名称 Compensation circuit and test apparatus
摘要 Provided is a correction circuit for generating an output signal emphasizing a predetermined signal component of a supplied input signal, including: a first detection section that detects a waveform of the input signal; an amplifying section that amplifies the waveform detected by the first detection section; a correction signal generating section that generates a correction signal by extracting an alternate current component from the waveform amplified by the amplifying section; and an output signal generating section that superimposes the correction signal on the waveform of the input signal, thereby generating the output signal. The first detection section detects the waveform of the input signal and an inverted waveform thereof, the amplifying section amplifies the waveform and the inverted waveform of the input signal, the correction signal generating section generates a correction signal and an inverted correction signal by extracting an alternate current component respectively of the waveform and the inverted waveform of the input signal amplified by the amplifying section, and the output signal generating section generates a pair of differential signals for the output signal, by superimposing the correction signal on the waveform of the input signal and superimposing the inverted correction signal on the inverted waveform of the input signal.
申请公布号 US8531187(B2) 申请公布日期 2013.09.10
申请号 US20100652550 申请日期 2010.01.05
申请人 KUWANA YUJI;MATSUMOTO NAOKI;ADVANTEST CORPORATION 发明人 KUWANA YUJI;MATSUMOTO NAOKI
分类号 H03K19/0175 主分类号 H03K19/0175
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