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It is sawtooth waweform genrator

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13y ago

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What are the applications of ujt?

The simplest application of a UJT is as a relaxation oscillator, which is defined as one in which a capacitor is charged gradually and then discharged rapidly.


Applications of ujt other than relaxation oscillator?

It can be used as a Sawtooth wave generator


Why ujt used as an oscillator?

why ujt used as amplifier


What is the basic applicatjon of a ujt?

oscillator


How does a ujt relaxation oscillator work?

The operation of the circuit is as follows: C1 charges through R1 until the voltage across it reaches the peak point. The emitter current then rises rapidly, discharging C1 through the base 1 region and R3. The sudden rise of current through R3 produces the voltage pulse. When the current falls to IV the UJT switches off and the cycle is repeated.


What is the procedure for testing the circuit of UJT relaxation oscillator?

Depends on what you need to know about it. First off, I'd use an oscilloscope. If it's set up correctly and you know how to `count graticules' that's really all you'll need to learn almost everything about your oscillator. IT should show you the wave forms at certain connection points, voltages as well as giving you some indication of the frequency. And if you want to know the current draw, you should probably have some type of milliamp meter on hand, which can usually be found in most miltimeters.


Operation of UJT and block diagram?

Explaine operation of UJT .


Is ujt is a uni polar transistor?

UJT is known as Uni Junction Transistor


How to genrate sawtooth wave by using ujt?

by connecting the ujt with proper biasing resistors


In ujt what does the j stand for?

For many people the letters UJT stand for Unitary Junction Transistor.


Why ujt is not used as amplifier?

The UJT (Uni-Junction Transistor) is not typically used as an amplifier because it does not have the necessary characteristics for linear amplification. Its operation is primarily based on negative resistance and it is designed for triggering applications, such as in relaxation oscillators and timing circuits. The UJT has a limited control over output current, making it unsuitable for applications that require linear gain. Instead, BJTs and FETs are preferred for amplification due to their ability to provide a stable and linear relationship between input and output signals.


Why ujt called current controlled negative resistance device?

The On/OFF action in UJT is controlled by emitter current