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MANUAL NUMBER: 19175
MANUAL REVISION: A
DC Coupling for Low-Frequency Response
With the 480C02 / 480E09 connected as shown in Figure 5, the low frequency response of the coupling
circuit is determined by the relationship in Equation 2. This requires use of a BNC Tee. Figure 6 below
provides a comparison of AC vs DC coupling the same signal.
Equation 2
:
-3dB Frequency (Hz) , F
O
=
=
Figure 5: Direct Coupled Mode
Figure 6: Diagram: AC vs DC Coupling
0.16
R (in) x 10
F
070A11
BNC Tee
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