UJT Flashcards
1
Q
is an electronic semiconductor device that has only one p-n junction within an N-type or P-type, lightly doped ohmic channel.
A
Uni Junction Transistor (UJT)
2
Q
How many terminals does a UJT have?
A
3 terminals
3
Q
What are the terminals of a UJT?
A
Base1, Base2, Emitter
4
Q
At which terminal does the applied voltage tend to increase in order for the UJT to conduct?
A
Emitter
5
Q
Typical measure of static resistance for a UJT.
A
4k and 10k
6
Q
The resistive ratio of RB1 to RBB for a unijunction transistor.
A
intrinsic stand-off ratio (eta)
7
Q
Typical standard values of eta
A
0.5 to 0.8
8
Q
Simplest application of all UJT circuits
A
Relaxation Oscillator
9
Q
UJT characteristic that allows it to function as an oscillator.
A
Negative Resistance
10
Q
Most popular commonly available unijunction transistor.
A
2N2646
