**EE 309 Analog Electronics and Design Homework**

- As depicted in the figure, input voltage is 120 Volts (RMS) and diode drops are 0.7 Volts. Design this circuit with given two outputs and calculate turns ratio of transformer.

- 10 V

- 100 V

- Consider a circuit using Si diodes and 10 k ohms resistors. Design this clipper circuit with output ranges below;
- -0.7 V and above
- +2.1 V and above

- ±1.4 V

- As given in the figure a clamper circuit with the input signal Vi is proposed to design. Determine the output voltage with the exact solution step by step. Sketch transfer characteristic VO versus V

- A rectifier circuit with the excitation of is given. Assume the diodes are made of Silicon.Design this circuit and determine the turns ratio, PIV rating for the peak output voltage of;
- 25 V
- 100 V

- Check the design and provide the results with Spice

- A regulator curcuit needs to be designed with an input power supply which has a nominal value of and can vary by ± %25 and nominal output voltage of 10 volts. For this purpose a zener diode is employed with specifications given; power rating of 1 W, 10 V drop at , output load current is to vary between -20 mA and zener resistance of
- If the minimum Zener current is to be , determine the required
- Determine the maximum variation in output voltage

- Determine the regulation percent
- For the given network, input voltage having a maximum amplitude of is applied to the circuit. (Note: All the diodes are Si).
- Sketch the output and calculate the dc (average) value of the output for the network.
- Draw, simulate and analyze the circuit by using PSpice

- For the given network, input voltage having a maximum amplitude of is applied to the circuit. (Note: All the diodes are Si).

- A diode circuit is given with the input signal beside. (Use the resulting output voltage level of part a as Vp in this question)

- Determine the output voltage with the exact solution step by step.
- Sketch transfer characteristic VO versus Vi

- Draw, simulate and analyze the circuit by using PSpice

- A GaAs diode with is given as the configuration on figure
- Obtain analytical solution for each steps
- Draw output voltage waveform.
- Choose a resistance value for R(Select a value which provides practical rule)and plot wave form of current over resistance
- For which specific applications this design can be applied write your comments
- Draw, simulate and analyze the circuit by using PSpice

- [Research Question]
**Design a DC battery charger for an electrical vehicle which has a 96 V (nominal) BLDC hub motor which is plugged directly from grid to EV.**- Which type(s) of diode circuit(s) is(are) used for this device.
- Sketch the input and output waveforms

- List the needed components for this design.

- Draw the example circuit.
- Explain the duty of each component.
- Draw, simulate and analyze the circuit by using PSpice.