PQR
Series Model D52
Page 50
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V2.1
HIGH FREQUENCY NOISE
High frequency noise can be caused by electronic
equipment feeding internal noise back onto the power line,
or logic induced noise from switching power supplies.
This noise is transferred to the AC line causing
disturbances greater than 2V peak-to-peak superimposed
on the AC sine wave (normal mode noise). This noise can
cause internal component degradation and eventual
system failure. During this degradation period, system
lockups, resets and data transfer will increase.
Figure PT 7 - High Frequency Noise
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