Systems and methods for evaluating electromagnetic interference
First Claim
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1. A method of evaluating electromagnetic interference with operation of an electronic device, comprising:
- producing a first electromagnetic transmit signal;
supplying said first electromagnetic transmit signal to a test wand antenna to cause said test wand antenna to emit electromagnetic radiation;
moving said test wand antenna in close proximity to one or more internal electronic components of said electronic device at the same time said test antenna is emitting said electromagnetic radiation;
exercising said one or more electronic components of said electronic device while said electronic components are exposed to the near field of said electromagnetic radiation emitted by said test antenna; and
monitoring the function of said one or more electronic components of said electronic device during said step of moving.
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Abstract
Systems and methods for evaluating electromagnetic interference that may be employed, for among other things, to evaluate electronic system immunity to radiated electromagnetic fields and/or to identify particular electronic system areas that are susceptible to electromagnetic radiation.
16 Citations
20 Claims
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1. A method of evaluating electromagnetic interference with operation of an electronic device, comprising:
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producing a first electromagnetic transmit signal;
supplying said first electromagnetic transmit signal to a test wand antenna to cause said test wand antenna to emit electromagnetic radiation;
moving said test wand antenna in close proximity to one or more internal electronic components of said electronic device at the same time said test antenna is emitting said electromagnetic radiation;
exercising said one or more electronic components of said electronic device while said electronic components are exposed to the near field of said electromagnetic radiation emitted by said test antenna; and
monitoring the function of said one or more electronic components of said electronic device during said step of moving. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of evaluating electromagnetic interference with operation of an electronic device, comprising:
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producing a first electromagnetic transmit signal;
supplying said first electromagnetic transmit signal to a localized field probe to cause said localized field probe to emit a localized field of electromagnetic radiation;
placing said localized field probe in close proximity to at least one electronic component of an electronic device at the same time said localized field probe is emitting said localized field of electromagnetic radiation;
exercising said at least one electronic component of said electronic device while said at least one electronic component is exposed to the near field of said localized field of electromagnetic radiation emitted by said localized field probe; and
monitoring a functionality of said electronic device while said at least one electronic component is exposed to said near field of said localized field of electromagnetic radiation emitted by said test antenna. - View Dependent Claims (10, 11, 12, 13, 14)
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15. A method of evaluating electromagnetic interference with operation of an electronic device, comprising:
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producing a first electromagnetic transmit signal;
supplying said first electromagnetic transmit signal to a direct injection field probe;
contacting said direct injection field probe with at least one circuit of said electronic device to directly inject said first electromagnetic transmit signal into said at least one circuit of said electronic device;
exercising said at least one circuit of said electronic device while directly injecting said first electromagnetic transmit signal into said at least one circuit of said electronic device; and
monitoring a functionality of said electronic device while directly injecting said first electromagnetic transmit signal into said at least one circuit of said electronic device. - View Dependent Claims (16, 17, 18, 19)
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20. An electromagnetic interference test system, comprising:
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an electromagnetic signal source; and
a test antenna, said test antenna comprising at least one of a test wand antenna, a localized field probe, or a direct injection field probe.
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Specification