VOLTAGE CONTROLLED VARIABLE CURRENT REFERENCE

A current source providing a voltage-controlled variable-current reference is described which employs a conventional current mirror to supply a current to a diode-connected transistor, and to a plurality of controllable current paths, wherein the controllable current paths are controlled by voltages...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	AWSARE, SALEEL, LEE, LAN
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRONIC CIRCUITRY CONTROLLING ELECTRICITY PHYSICS PULSE TECHNIQUE REGULATING SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
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Beschreibung
Zusammenfassung:	A current source providing a voltage-controlled variable-current reference is described which employs a conventional current mirror to supply a current to a diode-connected transistor, and to a plurality of controllable current paths, wherein the controllable current paths are controlled by voltages from a voltage sensing circuit so that predetermined amounts of current are drawn away from the diode-connected transistor as function of a controlled voltage, so that the diode-connected transistor generates a voltage as a function of the current flowing through it which voltage is used to control an output transistor and a current flowing through the output transistor.