Wide-swing cascode current mirror

Wide-swing cascode current mirror

A current mirror apparatus includes an input stage receiving an input current, Iin, and no additional bias current. The apparatus includes at least one output stage coupled to mirror the input current as an output current Iout. The input and output stages include insulated gate transistors. A minimu...

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Hauptverfasser: WAHBY RIAD, TESU ION C
Format: Patent
Sprache:eng
Schlagworte:
CONTROLLING
PHYSICS
REGULATING
SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
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TESU ION C
description A current mirror apparatus includes an input stage receiving an input current, Iin, and no additional bias current. The apparatus includes at least one output stage coupled to mirror the input current as an output current Iout. The input and output stages include insulated gate transistors. A minimum required voltage drop (Vin) across the input stage is approximately 2Von+2Vth, wherein Vth is a threshold voltage of a selected one of the insulated gate transistors, wherein Von is a drain-to-source saturation voltage of the selected transistor. A minimum required voltage drop (Vout) across the output stage is approximately 2Von.
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subjects CONTROLLING
PHYSICS
REGULATING
SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
title Wide-swing cascode current mirror
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