研究目的
To describe and compare calibration methods for CISPR detectors in accordance with standard CISPR 16-1-1, including a system developed by SIQ based on burst modulation and pulsed RF technique.
研究成果
The methods described provide comparable results with good uncertainties using standard reference equipment. The comparison calibration showed that both methods give comparable results within their uncertainties.
研究不足
The methods require standard reference equipment available in many calibration laboratories. The uncertainty budgets indicate potential areas for optimization, especially in minimizing PRF uncertainty for relative calibration.
1：Experimental Design and Method Selection:
The paper describes two methods for calibrating CISPR detectors: one using burst modulation for Band A and another using RF pulse modulation for Bands B, C, and D.
2：Sample Selection and Data Sources:
The methods are applied to calibrate an EMI test receiver.
3：List of Experimental Equipment and Materials:
Includes arbitrary waveform generator, RF generator with pulse modulator, pulse generator, reference DMM, power splitter, and power sensor.
4：Experimental Procedures and Operational Workflow:
Detailed steps for setting up the calibration for each band, including setting the required impulse area and repetition frequency.
5：Data Analysis Methods:
Comparison of results obtained from the SIQ methods and the standard EMI pulse generator method.
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EMI Test Receiver
ESU8
Rohde&Schwarz
Device under test for calibration.
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Arbitrary waveform generator
To provide burst modulated signal for Band A calibration.
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RF Generator
To provide RF modulated signal for Bands B, C, and D calibration.
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Pulse Generator
Used in conjunction with RF generator for RF pulse modulation.
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Reference DMM
For setting exact level required to achieve required impulse area.
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Power splitter
Used in the RF pulse modulation setup for adjusting to appropriate level.
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Power sensor
Used in the RF pulse modulation setup for adjusting to appropriate level.
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EMI Pulse generator
IGUU 2916
Schwarzbeck
Used for comparison calibration.
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