Product specifications

Instrumentation Laboratory Exercise 59
Laboratory Exercise #6 Test Report NAME:______________________________
Measure the nominal signal amplitude (without a filter): V
n
= __________
Enter the appropriate amplitudes in the following table:
Signal Frequency 20 Hz 80 Hz
High-pass filter
Low-pass filter
At approximately what frequency do the graphs cross? Crossing freq. = __________ Hz
Call the technician and have him verify your setup (HIGH-PASS):
Technician Check
Call the technician and have him verify your setup (LOW-PASS):
Technician Check
Questions
Passive filters have cut-off frequencies of 1/2 pt where t is the time constant, RC. At what frequency should the filters cut-off?
Does the data agree with the theoretical cut-off frequency?