Question
Download Solution PDFUJT is not used for:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is option 4.
Unijunction Transistor (UJT)
UJT is a two-layered, three-terminal, solid-state switching device. Unlike a BJT, it has only one junction that's why it is called Unijunction Transistor.
UJT can act as an electrically operated solid-state switch.
UJT is also known as a double base diode because like a diode it also has two-layer and one junction. Just difference is diode has two terminals whereas UJT has three terminals.
Application and Uses of UJT
- The main application of UJT is, it is used for triggering SCR and TRIAC.
- These are used in synchronized oscillators, and pulse generator circuits that work at low to moderate frequencies.
- It is used in digital voltage and frequency measurement circuits.
- These are used to make relaxation oscillator circuits.
- These are used in phase control and timing circuits.
- These are used for different types of waveform generation such as Sawtooth Wave generation.
Last updated on Jun 26, 2025
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