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Tutorial: How to design a transistor circuit that controls low-power devices
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Small Signal Amplifiers
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Bipolar Junction Transistors as Common-Emitter Switches - Circuit Simulation
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Transistors - NPN & PNP - Basic Introduction
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Astable 555 timer - 8-bit computer clock - part 1
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220V AC to 12V DC Converter Power Supply Using Diodes, Capacitors, Resistors, & Transformers
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EEVblog #600 - OpAmps Tutorial - What is an Operational Amplifier?
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