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