3300/25 Dual Accelerometer Input Monitor Operation Manual
19.14
Band-Pass Filters
A band-pass filter consists of cascaded high-pass and low-pass filters. To configure the
Band-Pass filter, follow the instructions for programming the high-pass and low-pass
filters.
The center frequency of the bandpass filter is given by:
where
f
= Band-Pass filter center frequency
BP
f
= Low-Pass filter corner frequency
LP
f
= High-Pass filter corner frequency
HP
NOTE: The low-pass corner frequency
pass corner frequency
78
f
=
f
f ×
BP
LP
f
should be four times (or more) the high-
LP
f
.
HP
HP