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EMI Testing Using Spectrum Analyzers vs. Test Receivers

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Level [dBµV]<br />

120<br />

100<br />

80<br />

60<br />

40<br />

20<br />

-20<br />

0<br />

<strong>Spectrum</strong> <strong>Analyzers</strong> for <strong>EMI</strong><br />

30M 50M 70M 100M 200M 300M 500M 700M 1G<br />

�� Subrange Issue Revisited<br />

- Per CISPR ½ RBW recommendation<br />

- For unit with 500 point unit = 30 MHz Spans<br />

- Solution: 970 MHz Span = 32 Spans required!

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