If you are headache with transistor matching, this little tester is a good solution:
Specs
Images
Measure Hfe of NPN transistor, medium power, set Ib to 1ma
Measure Hfe of PNP.
Measure Hfe of high power transistor
Measuring break down voltage of transistor
Measuring saturation voltage
Measuring 7805
Specs
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Images
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.
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
An externally hosted image should be here but it was not working when we last tested it.
Measure Hfe of PNP.
An externally hosted image should be here but it was not working when we last tested it.
Measure Hfe of high power transistor
An externally hosted image should be here but it was not working when we last tested it.
Measuring break down voltage of transistor
An externally hosted image should be here but it was not working when we last tested it.
Measuring saturation voltage
An externally hosted image should be here but it was not working when we last tested it.
Measuring 7805
An externally hosted image should be here but it was not working when we last tested it.