Current stabilizing arrangement

Details Current stabilizing arrangement Current stabilizing arrangement

G - Physics

05

F

323/13

G05F 5/00 (2006.01) G05F 3/26 (2006.01)

Patent

CA 1065402

ABSTRACT A current stabilizing arrangement with a first and a second current circuit in which currents with a mutually fixed ratio are maintained. These currents respectively flow through the series connection of a first semiconductor junction in series with a resistor and a second semiconductor junction. The voltage across the second semiconductor junction is maintained equal to the voltage across said series connection, which results in currents which are linearly dependent on the temperature. In order to add a component with a positive second-order temperature dependence to those currents so as to enable a negative second-order temperature dependence to be compensated for in the case of application in a voltage or current reference source, the current stabilizing arrangement comprises a transistor whose base-emitter junction constitutes said second semiconductor junction, the base circuit of said transistor including a resistor.

263572

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