Current control circuitry [electronic resource].

Published:: Washington, D.C. : United States. Dept. of Energy, 2005.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy
Additional Creators:: Pacific Northwest National Laboratory (U.S.), United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information

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Summary:

Among the embodiments of the present invention is an apparatus that includes a transistor (30), a servo device (40), and a current source (50). The servo device (40) is operable to provide a common base mode of operation of the transistor (30) by maintaining an approximately constant voltage level at the transistor base (32b). The current source (150) is operable to provide a bias current to the transistor (30). A first device (24) provides an input signal to an electrical node (70) positioned between the emitter (32e) of the transistor (30) and the current source (50). A second device (26) receives an output signal from the collector (32c) of the transistor (30).

Report Numbers:

E 1.99:6,867,644
6,867,644

Subject(s):

Engineering

Note:

Published through SciTech Connect.
03/15/2005.
"6,867,644"
"US patent application 10/256,651"
Taubman, Matthew S. (Richland, WA).

Funding Information:

AC06-76RL01831

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