ECET 402 Week 1 Homework

ECET 402 Week 1 Homework

Ch. 1) Pgs: 20-21: #2, 4, 6, 11, 14

Ch. 3) Pg: 103 #4, 6

2. a. Draw a block diagram of a closed-loop control system

.b. Use the block diagram to describe how the system works.

c. What is the advantage of this system over an open-loop system?

·         4. Identify the following as open- or closed-loop control.

o    a. Controlling the water height in a toilet tank

o    b. Actuation of street lights at 6 P.M.

o    c. Stopping a clothes dryer when the clothes are dry

o    d. Actuation of an ice maker when the supply of cubes is low

6. A potentiometer has a transfer function of 0.05 V/deg. Find the pot's output if the input is 89°.

11. What is the difference between a process control system and a servomechanism?

14. Give an example (other than in this book) of a servomechanism.

Chapter 3

4.Draw the circuit of an inverting amplifier with a gain of 35

6.Draw the circuit of a non-inverting amplifier with a gain of 24.