Load pull tuner for waveguide wafer probe
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United States of America
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Apr 1, 2025
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app pub date -
Apr 12, 2023
filing date -
Apr 12, 2023
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Abstract
A waveguide to wafer-probe adapter includes an integrated computer-controlled load pull tuner forming a compact and handy assembly. The adapter includes a horizontal, a vertical and a sloped straight section, joined with two knee junctions. The tuner is simple and includes two, only along the sloped waveguide section moving at fixed penetration tuning probes without cumbersome vertical axis mechanisms. The sloped cavity section of the waveguide includes niches at the knee junctions, in which the probes can be moved and hidden, thus allowing a for low residual reflection and original transmission behavior. When the probes are hidden the adapter can be used for instantaneous s-parameter measurement still maintaining full load pull capacity. High-speed calibration and tuning algorithms allow efficient operation.
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