Combined pulse and DC test system

Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – Of individual circuit component or element

Reexamination Certificate

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C324S763010

Reexamination Certificate

active

07633308

ABSTRACT:
A system for making HF and DC measurements on a DUT includes a HF unit having a HF connection terminal that is switchable to a connected or disconnected state; a DC unit having a DC connection terminal that is switchable to a connected or disconnected state; and a common connection between the connection terminals adapted to be connected to the DUT. The DC connection terminal has a transmission line characteristic that is impedance-matched to minimize reflections when the HF connection terminal is in the connected state and the DC connection terminal is in the disconnected state.

REFERENCES:
patent: 3911579 (1975-10-01), Lane et al.
patent: 5519327 (1996-05-01), Consiglio
patent: 6429674 (2002-08-01), Barth et al.
patent: 6838865 (2005-01-01), O'Meara
patent: 6998869 (2006-02-01), Tanida et al.
patent: 7102357 (2006-09-01), Kantorovich et al.
patent: 2005/0088197 (2005-04-01), Aghaeepour
Efficient Microwave Bias and Testing Using the HP 4142B Modular DC Source/Monitor. Hewlett Packard. Application Note 1205 (Date: At least as early as Aug. 30, 2006.).

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