useful transistor tester

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siliconray

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Joined 2011
If you are headache with transistor matching, this little tester is a good solution:
Specs
An externally hosted image should be here but it was not working when we last tested it.

Images
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An externally hosted image should be here but it was not working when we last tested it.


An externally hosted image should be here but it was not working when we last tested it.


Measure Hfe of NPN transistor, medium power, set Ib to 1ma
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Measure Hfe of PNP.
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Measure Hfe of high power transistor
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Measuring break down voltage of transistor
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Measuring saturation voltage
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Measuring 7805
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