7:27

#1037 MORE fake op-amps from China

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#311 All Transistors Faked on AliExpress?

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#1044 Good Chinese Op-amps

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#1189 Dual Op-amp Test board

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Fake OpAmps from eBay, how to test OpAmps

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#2056 Double Power Supplies

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#1042 Input Offset Voltage in Op-amps and how to control it.