SECTION 7-6

EMI/RFI Considerations

James Bryant, Walt Jung and Walt Kester

Analog circuit performance is often adversely affected by high frequency signals from nearby electrical activity. And, equipment containing analog circuitry may also adversely affect systems external to it. Reference 1 (page 4) describes this complementary transmission of undesirable high frequency signals from or into local equipment as per an IEC50 definition. These corresponding aspects of broad arena of electromagnetic compatibility, better known as EMC, are:

• It describes the ability of electrical and electronic systems to operate without interfering with other systems …

• It also describes the ability of such systems to operate as intended within a specified ...

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