Fujitsu MAN3367FC Manual/User Guide - Page 64
AC noise filter recommended
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Installation Requirements (5) Noise filter To eliminate AC line noise, a noise filter should be installed at the AC input terminal on the IDD power supply unit. The specification of this noise filter is as follows: • Attenuation: 40 dB or more at 10 MHz • Circuit construction: T-configuration as shown in Figure 4.8 is recommended. Figure 4.8 AC noise filter (recommended) 4-8 C141-E133-02EN
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Installation Requirements
4-8
C141-E133-02EN
(5)
Noise filter
To eliminate AC line noise, a noise filter should be installed at the AC input terminal on the IDD
power supply unit.
The specification of this noise filter is as follows:
•
Attenuation: 40 dB or more at 10 MHz
•
Circuit construction:
T-configuration as shown in Figure 4.8 is recommended.
Figure 4.8
AC noise filter (recommended)