Cooper Instruments & Systems DCM 460 Voltage Bridge Amplifier - Manual (Page 5)

CF 28 5 4/2001
Filter Roll Off Frequency
The table in Figure 4 shows the values for C1 and C2 to set the 3 dB filter frequency. A printed circuit board is
included for convenient mounting of the two capacitors. Use X7R ceramic or foil type capacitors.
Filter
Frequency
C1
To Pin 11
C2
To Pin 10
2000 Hertz None None
200 Hertz 0.068 μF 0.022 μF
20 Hertz 0.68 μF 0.22 μF
9.4 Hertz 1.5 μF 0.47 μF
Figure 4. Filter Roll Off Frequency
Mechanical Specifications
Specifically designed for rugged field use the DCM 460 is completely encapsulated in epoxy using a vacuum
potting system to insure a complete seal against corrosive environments. It is similarly protected against shock and
vibration and will provide years of reliable and accurate operation.