Supply and temperature dependent linear signal generator

Details Supply and temperature dependent linear signal generator Supply and temperature dependent linear signal generator

1997-12-11

1999-10-12

Wells, Kenneth B.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific input to output function

Combining of plural signals

327362, 327378, 327539, 323315, 323313, G06F 744

Patent

active

059660392

ABSTRACT:
A supply and temperature dependent linear signal generating circuit includes four transistors each having a unique current flowing therethrough and connected together to form a current multiplier. A first one of the currents is designed to be supply dependent and preferably adjustable in magnitude, a second one is designed to exhibit a specific temperature dependence, the third is designed to be both supply and temperature independent and the fourth current is defined as a ratio of the first three. The fourth current is, in one embodiment, impressed upon a network defined by a resistor divider and a voltage source to thereby define an output voltage V(T) that is both supply and temperature dependent according to the following equation:

REFERENCES:
patent: 5068595 (1991-11-01), Kearney et al.
patent: 5534816 (1996-07-01), Koglin et al.
patent: 5608348 (1997-03-01), Kearney et al.
patent: 5619122 (1997-04-01), Kearney et al.

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