| 摘要 |
A temperature compensation arrangement is provided for a current reference circuit. The current reference circuit has a voltage generator coupled to provide a voltage to a resistor, which generates a current in dependence upon the voltage. The arrangement includes a current source, arranged to be controlled by a control voltage from the voltage generator, and a diode arrangement coupled in series with the current source for deriving therefrom a control voltage. A compensating transitor is coupled to receive the control voltage for providing a temperature compensating supplemental current which is combined with the reference current to produce a combined current. The diode arrangement and the compensating transistor are arranged such that the combined current is substantially temperature independent. |
