Mosfets mounted on an aluminium plate.
L200 current source mosfet matching circuit.
Use 12 volts for IC1 (STMicroelectronics
Digital voltmeter to three decimal places at 2 to 6 volts
Current set to 500mA (higher current cause device heating).
Mount DUTs on common heatsink as per picture.
Allow reading to stabilize (about 10 seconds) before noting
Once close matches have been ascertained retest those matches
to get best fits.
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This page last modified on: 7th March
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2005 Susan Parker unless