Study of Unijunction Transistor (U.J.T.) with power supply and 2 meters Manufacturer,Supplier and Exporter in India
Product Code : SCL-EELE-12187
Indian Lab Suppliers supplies the Study of Unijunction Transistor (U.J.T.) with power supply and 2 meters (Product ID: 12187) as part of its electronics engineering lab equipment range. It is a board for plotting the V-I characteristic of a unijunction transistor (UJT) and using it as a relaxation oscillator.
Quick Answer
Two continuously variable 0–30 V DC, 50 mA regulated supplies bias the emitter and the base circuit, with a 3½-digit DC voltmeter (0–200 V) and a 3½-digit DC current meter (0–20 mA). Students plot emitter voltage against emitter current, locate the peak and valley points and the negative-resistance region between them, and then build a relaxation oscillator whose sawtooth and pulse outputs are viewed on a 20 MHz oscilloscope.
Key Specifications
| Parameter | Detail |
|---|---|
| Device | Unijunction transistor |
| Supplies | Two 0–30 V DC, 50 mA, continuously variable, regulated |
| Voltmeter | Digital DC, 3½ digit, 0–200 V |
| Current meter | Digital DC, 3½ digit, 0–20 mA |
| Experiments | V-I characteristics; relaxation oscillator |
| Mains input | 230 V ±10%, 50 Hz AC, with mains switch, fuse and pilot lamp |
| Connections | 4 mm terminals; stackable spring-loaded patch cords, 0.5 m |
| Also required | 20 MHz CRO |
Where This Is Used
A UJT oscillator is a common trigger source for thyristors, so the board fits with the Silicon Controlled Rectifier Characteristics with power supply and 2 meters (Product ID: 12169). Mains powered; switch off before rewiring. Browse the full Electronics Engineering Lab Equipment range or related Electronics Lab Equipment products.
Frequently Asked Questions
What are the peak and valley points?
The turn-on point and the minimum-voltage point that bound the negative-resistance region.
What oscillator is built?
A UJT relaxation oscillator.
Are meters built in?
Yes, a digital voltmeter and a digital current meter.
Related Categories
Electronics Engineering Lab Equipment · Electronics Lab Equipment · Electricity and Magnetism
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