The SC2250 has been designed specifically to facilitate measurements of high frequency, low level harmonics in a cost-effective manner. Typically, these measurements would require an expensive, high-frequency analyzer and a complex assortment of filters, switches and cables. Using the SC2250, the harmonic signal of interest is converted to a low-frequency so that a lower frequency analyzer, such as National Instruments’ Vector Signal Transceiver (VST), can perform the measurement.

Calibration complexity, inherent in these types of test benches, is simplified when incorporating the SC2250 into a harmonic measurement setup. The device includes internal calibration tables for all signal path combinations. These paths are characterized in the factory and accessible to the user.

In this app note contains:

• A typical harmonic test setup
• SC2250 configuration for harmonic measurements
• Physical Connections
• Measurement procedure

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