Zener Diodes In Theory and Practice
Basic ElectronicsYoutube

Zener Diodes In Theory and Practice

David Jones made a tutorial on the fundamentals of zener diodes over his EEVblog youtube channel. David started the tutorial comparing between zener and regular diode. Both have the same characteristics and same I-V chart, but zener is designed to work in the negative voltage...

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What is a Zener Diode?
Basic Electronics

What is a Zener Diode?

Let's have a look at what Zener Diodes are, and how they work! What is a Zener Diode? -...

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9 VDC Regulated Power Supply
Power supply

9 VDC Regulated Power Supply

Tiny low current 9 VDC Regulated Power supply designed around bipolar transistor and zener diode. The circuit is known as series voltage regulator or emitter follower voltage regulator. The unregulated supply fed to input and the circuit regulate the voltage and provide constant 9V...

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Build an op amp with three discrete transistors
Basic Electronics

Build an op amp with three discrete transistors

by Lyle Russell Williams: You can use three discrete transistors to build an operational amplifier with an open-loop gain greater than 1 million (Figure 1). You bias the output at approximately one-half the supply voltage using the combined voltage drops across zener diode D1, the...

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