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BJT stands for Bipolar Junction Transistor. It is a three-terminal electronic device constructed of doped semiconductor material and may be used in amplifying or switching applications.

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### What happens when a BJT doesn't draw enough $I_c$ to be properly biased?

for a given $I_B$, reducing $I_C$ will reduce $V_{CE}$ (which is the same as $V_o$ in my circuit). This is the expected behavior. Although we usually express it the other way around: Incr …
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### Confusion regarding the Q point of a transistor

As we know the signal is supposed to apply at the base of the transistor, This is true for a common emitter or common collector stage, but for a common base stage, the signal will be applied at the …
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### Is it possible to find $h$-parameters for single transistor?

Can h-parameters be found only for two port system or can we find it for single transistor also? When we specify h-parameters for a transistor, we are talking about making a two port that contain …
• 124k
1 vote

### Common base large signal transfer characteristics

Does this now mean that Vbe = -Vi? Or is it that Vbe = 0 since the base is grounded? $V_{be} = V_b - V_e$ So yes, in your diagram, $V_{be}$ is $-V_i$. $V_{be}$ is only equal to 0 if the …
• 124k

### Why are two maximum power dissipation mentioned for this transistor?

They're limits for different operating conditions: So the first limit is when the case temperature ($T_C$) is held at 25 C by some means (for example with a heat sink and forced air cooling, or j …
• 124k