Homework Solutions for Chem 422Chapter 51.frequency dependent: flicker and environmental noisefrequency independent: thermal and shot noise2. a) thermal noiseb) certain types of environmental noisec) thermal and shot noise3. 104to105and 106to 107Hz. Environmental noise is at a minimum in these regions.5. a)High-pass filters are used to remove low frequency flicker noise from high frequencyanalytical signals.
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