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The VectorStar ME7838G VNA User Power Calibrations
The millimeter-wave (mmWave) modules operating to over 220 GHz in the VectorStar ME7838G system are unique in that the connection interface is a coaxial flange-based structure. Often times a wafer probe is mounted directly to the module interface for DUT measurements. For situations requiring precise deliveredpower, user power calibrations may be needed and the power sensors will require adapters to reach the module interface. This application note addresses how power sensors are combined to cover the wide bandwidths, and how adapters and probes can be de-embedded and embedded to move the power reference plane as close as possible to the DUT.
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