DreamCatcher ME1400 EMI Panduan Memulai Cepat - Halaman 7

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7. Set the N9912A FieldFox RF Analyzer to operate in the Spectrum Analyzer mode. Select the

start and stop frequencies, and other settings according to the following configuration:

Mode

Start Frequency

Stop Frequency

N9912A Setting: "[ ]": Hardkey; "{ }": Softkey

Set Mode to SA measurement: [Mode] > {SA}

Set Start Frequency to 10 MHz: [Freq/Dist] > {Start} > [10] > {MHz}

Set Stop Frequency to 400 MHz: [Freq/Dist] > {Stop} > [400] > {MHz}

Set output power level to LOW: [Meas Setup 4] > {Output Power} > {Low}

Scale: [Scale/Amptd] > {Autoscale}

Perform Calibration: Normalization

8. Connect the EMC probe (H-field Probe) to the RF In port of the N9912A FieldFox RF Analyzer

using an RF coaxial cable.

9. Switch S1 and S2 to the 'ON' position to power on the Digital Pulse Output and Digital Buffer

sections.

10. Place the EMC probe on top of the digital buffer trace that is being tested. Slowly move the

EMC probe around the trace and observe the spectrum displayed on the screen of the

N9912A FieldFox RF Analyzer. Describe your observation.

11. Switch S1 and S2 to the 'OFF' position, and turn off the power supply.

ME1400 EMI and EMC

: SA (Spectrum Analyzer)

: 10 MHz

: 400 MHz

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