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Logarithmic Amplifier
Calculations & Observations
Fig.1 Logarithmic Amplifier circuit
The relationship between the input voltage V
in
and the output voltage V
out
is given by:
Where I
S
and V
T
are the saturation current and the thermal voltage of the diode respectively.
Fig.2 Shows Input Signal (Red) and Output Signal (Yellow)
Fig.3 Shows Input Signal (Red) and Output Signal (Yellow)
Fig.4 Shows Input Signal (Red) and Output Signal (Yellow)
