CH 211-Instrumental Chemistry- 5C1- Hardware methods for Noise Reduction

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In reference to Hardware methods for Noise Reduction: Grounding and shielding

shield is surrounding a circuit plus the conducting material that is attached to the earth ground.

In Reference to Hardware methods for Noise Reduction: Use of difference and Instrumentation Amplifiers

Used to reduce the increased noise

What are the two types of analog filtering that is used in analytical filtering?

Low pass and high pass analog filters

In reference to Analog filtering: Define High Pass filtering?

1. allows only frequencies that are higher than the cut off value.
2. This reduces low frequency noise from high frequency signal

In reference to Analog filtering :What is an example of a high pass filter?

Reducing flicker noise

In reference to Analog filtering: Define Low Pass signal

1. Allows only frequencies that are lower than than the cut off value. 2. This reduces high frequency noise from a relatively low frequency signal.

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