Which of the following removes residual harmonics from the phase-detected signal?(a) High-pass filter(b) Low-pass filter(c) Band-pass filter(d) ChopperI got this question by my school principal while I was bunking the class.I need to ask this question from Instrumentation of ESR Spectrometer topic in section Electron Spin Resonance Spectrometers of Analytical Instrumentation

Which of the following removes residual harmonics from the phase-detec

1.	Which of the following removes residual harmonics from the phase-detected signal?(a) High-pass filter(b) Low-pass filter(c) Band-pass filter(d) ChopperI got this question by my school principal while I was bunking the class.I need to ask this question from Instrumentation of ESR Spectrometer topic in section Electron Spin Resonance Spectrometers of Analytical Instrumentation
Answer» Right ANSWER is (b) Low-pass FILTER To EXPLAIN I WOULD say: Low-pass filter removes residual harmonics from the phase-detected signal. It removes the residual 100 KHZ if any.

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