Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Distributive type parameters
Patent
1990-03-13
1992-09-08
Wieder, Kenneth A.
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
Distributive type parameters
324637, 324638, 324642, G01R 2704
Patent
active
051461714
ABSTRACT:
A full reversing millimeter test set comprising a pair of test head assemblies which are connected to an analyzer by means of coaxial cables enclosed within a sheath. Microwave signals are sent to the test head assemblies and therein frequency-multiplied so as to provide the necessary millimeter test signals required for testing microwave devices in the W band of 75-110 GHz. By placing the millimeter wave components in the test head assemblies, the phase distortions which would otherwise be encountered in flexing or movement of the interconnecting coaxial cables and the bulk, signal loss and phase distortions associated with long waveguide are eliminated.
REFERENCES:
patent: 4680538 (1987-07-01), Dalman et al.
patent: 4803419 (1989-02-01), Roos
patent: 4808913 (1989-02-01), Grace
patent: 4816767 (1989-03-01), Cannon et al.
patent: 4839588 (1989-06-01), Jantsch et al.
patent: 4853613 (1989-08-01), Sequeira et al.
Brown Glenn W.
Wieder Kenneth A.
Wiltron Company
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