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- Electronics
- Rectifier Diode – how it works
- Transistor – Basics
- Thyristor – how it works
- Electronic Load Relay ELR
- Operational Amplifier
- Comparator Using Op-Amp
- Inverting Op Amp
- OP-Amp as Impedance Converter
- OP-Amp as Non-Inverting Amplifier
- OP-Amp as Differential Amplifier
- OP-Amp as summer
- Op-amp Integrator
- Op-Amp as Differentiator
- Op-Amp as Schmitt-Trigger
- Voltage to Current Converter
- Transimpedance amplifier
- AD converter with Op Amp
- Exercises Op-Amp
- Zener-Diode
- Thermal conductance and resistance
What is a transistor and how does it work?
Transistors are semiconductor components that are primarily known as electronic switches or amplifiers. The term transistor is derived from "transfer resistor" and, depending on the type of circuit, can actually be regarded as an electrically controllable resiítor. Transistors are used in particular to switch, amplify or control currents.

Different Types of Transistor and its Symbols
... coming soon