Current stabilizing with starting circuit

Details Current stabilizing with starting circuit Current stabilizing with starting circuit

G - Physics

05

F

323/4

G05F 3/20 (2006.01) G05F 3/26 (2006.01)

Patent

CA 1215113

ABSTRACT: Current-stabilising arrangement. Two current circuits are arranged between two common terminals (+VB and -VB). The ratio between the cur- rents in the two current circuits is defined by a first current-dividing circuit (S1), and the absolute values of these currents are defined by means of a second current- dividing circuit (S2), in particular a resistor (R1) arranged in this second current-dividing circuit (S2). In order to ensure that the current-stabilising arrangement is started, a first current-supply circuit is coupled to the input (I2) of the second current-dividing circuit (S2), which current-supply circuit comprises the series arrangement of a resistor (R3) and a transistor (T7) arranged as a diode, and a second current-supply circuit is coupled to the output (O2) of the current-dividing circuit (S2), which second current-supply circuit comprises a transistor (T8) whose base is commoned with that of the transistor (T7) of the first current-supply circuit.

451060

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