7:27

#1037 MORE fake op-amps from China

10:18

Fake OpAmps from eBay, how to test OpAmps

15:21

Nunca compre baterias novas! Basta usar este truque e suas baterias AA antigas podem ser reutilizada

9:32

Your Components are probably FAKE! Soooo is that BAD?

10:18

#215: Basics of crossover distortion | LM358 op amp example

17:27

#1044 Good Chinese Op-amps

8:41

Тестер операционных усилителей

16:30

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