Precision wideband 50 Ohm input and 50 Ohm output or 100 Ohm...

Details Precision wideband 50 Ohm input and 50 Ohm output or 100 Ohm... Precision wideband 50 Ohm input and 50 Ohm output or 100 Ohm...

2006-10-24

2006-10-24

Benson, Walter (Department: 2858)

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

C324S648000

Reexamination Certificate

active

07126347

ABSTRACT:
A differential reflection bridge is provided for a 100 Ohm load, the bridge not being compromised by a translation to a 50 Ohm system. The reflection bridge uses two transmission line baluns. The first traditional balun T1connects the input signal source to a resistor bridge. The second balun T2connects between a central node of the resistor bridge and an output OUT as well as a second test port that eliminates a path to ground. With no ground path the bridge is immune to common mode impedance disturbances.

REFERENCES:
patent: 3636439 (1972-01-01), Colligan
patent: 4962359 (1990-10-01), Dunsmore
patent: 5150063 (1992-09-01), Burkhard et al.
patent: 6608492 (2003-08-01), Entenmann
patent: 6690177 (2004-02-01), Dalebroux

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