Scattering parameter travelling-wave magnitude calibration...

Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Distributive type parameters

Reexamination Certificate

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C324S601000, C702S107000

Reexamination Certificate

active

06982561

ABSTRACT:
A calibration system and method determines magnitudes of traveling-waves at a non-coaxial plane of a scattering (S) parameter measurement device that includes an adapter link between the non-coaxial plane and a coaxial plane. A calibration is conducted at an interface between the adapter link and the coaxial plane to derive coaxial error terms for the S-parameter measurement device. In addition, a power meter measurement is conducted at the coaxial plane to obtain power wave measurements using the coaxial error terms. A calibration is also conducted at an interface between the adapter link and the non-coaxial plane to derive non-coaxial error terms for the S-parameter measurement device. The power wave measurements, coaxial error terms and non-coaxial error terms are used to calculate the magnitude of one of the traveling-waves at the non-coaxial plane.

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Agilent De-Embedding and Embedding S-Parameter Networks Using a Vector Network Analyzer; Application Note 1364-1; Agilent Technologies; pp 1-23.
PH50 System User Manual; 45MHz-50GHz, 50Ω, Power and Harmonic Measurement System: Release 5, Dec. 6, 2000.

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