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チョッパー・オペアンプについて(TI偏)

 

Auto-zero amplifiers ease the design ofhigh-precision circuits

Auto-zero amplifiers ease the design of high-precision circuits (ti.com)

からの引用

The chopper amplifier

Figure 1 shows a simplified block diagram of a
chopper amplifier.
A dc input signal is
chopped into an ac voltage
and amplified by an accoupled amplifier. A phasesensitive demodulator 
converts the output of A1