The Unijunction Transistor (UJT) is an electronic device that has become increasingly popular among electrical engineers in recent years, primarily due to its improved efficiency and cost effectiveness. It is a three-terminal device, used mainly as an oscillator or for controlling power in the circuits.
So, if you are an electrical engineer and need to design a UJT circuit, it is essential that you know how to draw the circuit symbol of UJT accurately. To help you out, we have put together a comprehensive guide on how to draw the circuit symbol of Ujt.
The circuit symbol of a UJT consists of three terminals: base, emitter, and collector. The base and the emitter are connected together by a curved line which represents the diode and the collector is the arrow pointing towards the diode symbolizing the emitter region of the device. The two concentric circles signify the base and the collector and the middle terminal is labelled 'e'.
To draw a proper UJT circuit symbol, the two concentric circles must be drawn first and then the curved line connecting the inner circle and the outer circle. After this, the arrow pointing towards the diode must be drawn and the middle terminal labelled as ‘e’. Once all these steps have been completed, the circuit symbol of UJT is correctly formed.
In addition to understanding how to draw the circuit symbol of UJT, you should also be familiar with its operation and working principle. A UJT works by controlling the current flowing between the base and the emitter, with the help of an external voltage source. The basic operation of a UJT is based on its positive resistance property, which allows it to effectively switch between low and high current levels.
With this guide, we hope that you now have enough knowledge to draw the circuit symbol of UJT and understand its operation and working principle. To further your understanding, we recommend taking up electrical engineering classes or doing some research online.
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