Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Distributive type parameters
Patent
1995-07-20
2000-04-11
Wieder, Kenneth A.
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
Distributive type parameters
324725, 324601, 333 25, 333 32, G01R 2700
Patent
active
060492120
ABSTRACT:
An SWR bridge with an accompanying set of connector saving adapters for connecting between the test port of the SWR bridge and a test device. The SWR bridge includes a branch opposite the test port which has an impedance set to substantially compensate for the impedance of the connector saving adapters. The connector saving adapters are configured to mate with connectors from two groups of test device connectors in both male and female versions, a first group including 3.5 mm, SMA and 2.92 mm connectors, and a second group including 2.5 mm and 1.85 mm connectors. To compensate for any capacitive mismatch between an adapter configured for a particular group of connectors and a given connector type, either a center conductor pin setback, an inductive counter bore in the outer conductor of the adapter, or a combination of the center pin setback and inductive counter bore may be utilized.
REFERENCES:
patent: 2650347 (1953-08-01), Gaffney
patent: 3800218 (1974-03-01), Shekel
patent: 4278932 (1981-07-01), Tait
patent: 5461322 (1995-10-01), Bey
Pollard, Roger D., Compensation Technique Improves Measurements for a Range of Mechanically Compatible Connectors,Microwave Journal, Oct. 1994, pp. 91-99.
Present-Day Simplicity in Broadband SWR Measurements,Wiltron Technical Review, (month unavailable) 1972, vol. 1, No. 1., pp. 1-3.
Solis Jose M.
Wieder Kenneth A.
Wiltron Company
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