Important Semiconductor Relations

Rarely Tested

Important Semiconductor Relations

### Conductivity

$$\sigma=e(n\mu_n+p\mu_p)$$

### Current Relation

$$I_E=I_B+I_C$$

### Current Gain

$$\beta=\frac{I_C}{I_B}$$

### Diode Equation

$$I=I_0(e^{V/\eta V_T}-1)$$

### Zener Regulation

$$V_{out}=V_Z$$

### Usage

- Quick formula revision.

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