Vector Calibration System

Description of Technology:

This technology can determine mismatch across a range of frequencies. A signal generator of the system can provide a periodic calibration signal having a plurality of frequency components. The system frequency can translate the calibration signal to provide a first set of observed samples. The first set can be compared to a second set of samples, which can be modeled by a function of parameters including an estimated vector mismatch and a plurality of basis functions. A value of vector mismatch can then be determined that minimizes the difference between the first and second sample set.

Applications:

The Vector Calibration System can be implemented in any communication system that separates signals using a plurality of signal paths having a predetermined vector relationship.

Features and Benefits:

The benefits of this technology include the capability of test signal injection at the RF stage, which allows mismatch in RF-to-IF components to be accounted for, and the acquisition of lengthy sample sets.

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