Lesson One:                            Conductors,Insulators and Semiconductors    1

Lesson Two:                                                            Semiconductor Diodes     9

Lesson Three:                                                                           Logic Gates     19

29Lesson four:                                                                 Analog Modulation     

Lesson Five                                Programmable Logic Controllers(PLCs):      41

Lesson Six:                                    Thermocouple Principles and Features      53

Lesson Seven:                                                             Digital logic circuits     67

Lesson Eight:                                                          Operational Amplifiers     75

Lesson Nine:                                                    Design of oscillator circuits     87

Lesson Ten:                          Frequency limits in digital integrated circuits     99

Lesson Elevan:                                             A fiber optic intercom system     111

Lesson Twelve:                                                                    556 Dual timer    123

Lesson Thirteen:                                                                4_bit Full Adder     131

Lesson Fourteen:                              BCD-TO-7 Segment Decoder/Driver     135

Lesson Fifteen:                                                 Quadruple Analog Switch       139

Lesson Sixteen                                                                            64-bit Ram    145