Chapter 5 Adding Components for Special Functions
SCB-68 Shielded Connector Block User Manual 5-10 ni.com
Figure 5-10. Response of a Real Filter to a Square Wave Input Signal
One-Pole Lowpass RC Filter
Figure 5-11 shows the transfer function of a simple series circuit consisting
of a resistor (R) and capacitor (C) when the voltage across R is assumed to
be the output voltage (V
m
).
Figure 5-11. Transfer Function of a Simple Series Circuit
The transfer function is a mathematical representation of a one-pole
lowpass filter, with a time constant of
as follows:
(5-3)
Time (t)
Volts (V)
C
RV
in
V
m
1
2πRC
---------------
Ts()
G
12πRC()s+
-------------------------------=
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