Due Wednesday 2018-01-17 at the start of class.

## 1. Reading

Read [AoE] Chapter 2 through section 2.2.5. Skip section 2.2.2 for now, we will look at the Schmitt trigger circuit in the future.

## 2. Finish the worksheet from Friday

The handout from class didn’t print the tables properly for pages 2-3. You should do the same prediction + measurements for all 3 collector resistor values. A properly-rendered PDF is available in Google Drive Class notes folder.

## 3. AoE - Exercise 2.4 (p. 80)

There is a Thevenin equivalent source attached to the base, with voltage $v_{\mathrm{source}}$ and resistance $R_{\mathrm{source}}$

## 4. AoE - Exercise 2.5 (p. 81)

The output voltage variation specification means less than a 5% change over the load current (emitter current) range of 0 to 25 mA. Use the results from the current section (B) and Exercise 2.4 to treat the output of the system as a Thevenin equivalent source. See Schematic setup for [AoE] Exercise 2.5 for an example schematic.

Figure 1. Schematic setup for [AoE] Exercise 2.5

## 5. AoE - Exercise 2.6 (p. 82)

Section 1.2.6.A may be useful review about the behavior of a zener diode. The model of a zener in reverse breakdown mode is a voltage source of $V_Z$ in series with a resistor $R_{\mathrm{dyn}}$.

## 6. AoE - Exercise 2.7 (p. 83)

Combine everything together!