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EEVblog 1780 - Hardware Supply Chain Attacks Examined

EEVblog@eevblog
Created at: Oct 13, 2026 Release date: Oct 13, 2026

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EEVblog 1780 - Hardware Supply Chain Attacks Examined

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EEVblog #600 - OpAmps Tutorial - What is an Operational Amplifier?

The most often requested video! In this tutorial Dave explains what Operational Amplifiers (OpAmps) are and how they work. The concepts of negative feedback, open loop gain, virtual grounds and opamp action. The comparator, the buffer, the inverting and non-inverting amplifiers, the differential amplifier, and the integrator circuit configurations are also explained. Then a practical breadboard circuit to demonstrate a virtual ground and the effect of voltage rail limitations.