Patent ID: 7463014
Filing Date: 2008-12-09
Classification: G05F

Abstract:
1. current supply, comprising: a current mirror input stage adapted to be connected to a constant current source providing a reference current the current mirror input stage including, a current mirror output stage substantially mirroring the reference current of the current mirror input stage, the current mirror output stage including a second transistor having first and second terminals and a control terminal, the control terminal being connected to the control terminal of the first transistor and the first terminal being connected to the first terminal of the first transistor; a dummy current mirror output stage substantially mirroring the reference current of the current mirror input stage, the dummy current mirror output stage including, a difference amplifier having a first input connected to the second terminal of the first transistor, a second input connected to the second terminal of the third transistor, and an output connected to a control terminal of the control transistor.