Since the project has high and low gains
switch hence there a quality difference between the two gains. In this project,
gain is a measure of the ability of the amplifier is to increase amplitude of a
signal from the input to the output. It is a mean ratio of the signal output of
a system to the signal input of the same system.
HIGH GAIN
LOW GAIN
When the switch was in a higher gain, the higher
amplification factor applied, and thus any noise will be amplified more. As
shown in figure 4.1, the waveform is not stable and weak in linearity. The
higher gains maximize its amplitude and ease the user to see the R and R
interval for measuring purpose. However, in order to get a stable and accurate
output, the user should lower the gain.
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