Introduction to the components of electronics, both passive and active. Subjects studied include power supplies, solid state components, frequency, resistance, capacitance, modulation, wave theory, testing devices and electronic systems.
 

Exploration of regulated power supplies, audio amplifiers, IF amplifiers, oscillators and antenna design. Extensive troubleshooting is utilized. Compact disk theory and troubleshooting will also be studied. An AM/FM radio receiver is analyzed as an example of an electronic one-way communication system.
 

Direct current (DC) theory and the fundamentals of series and parallel DC circuits. An introduction to the concept of electricity and its behavior with respect to conductors and resistance devices. The study of alternating current (AC) circuits begins with the generation of a sine wave and review of trigonometric functions and continues through resonance and filter circuits.
 

Comprehensive study of transistors, thyristors, diodes, and linear IC devices. Beginning with basic P-N junction theory and audio transistor amplifier design. The three basic transistor configurations and their characteristics are stressed for the bipolar transistor and the field effect transistor.
 

Introduction to binary notation and numbering systems including octal and hexadecimal. Emphasis is also placed on logic gates, truth tables, flip flops, counters, and basic computer architecture.
 

Experience with soldering, hand tools, components, color code, Ohm’s law, and reading circuit diagrams. Work with ohmmeters, ammeters, voltmeters, power supplies and other devices is included. This lab examines AC/DC circuit characteristics, including capacitance and inductance. Construction of a digital multimeter is taught.
 

Continuation of EC 151. Semiconductors and integrated circuit devices are discussed. Emphasis is placed on troubleshooting of audio and RF amplifier circuits, push-pull amplifiers, discrete components, operational amplifiers, and basic digital circuits. An AM/FM radio is built. Other electronic projects are constructed in addition to creating a printed circuit board.
 

General review of electronic mathematics. Logarithms and trigonometric functions, use of an electronic calculator, and the solution of electronic problems are introduced.
 

Fundamentals from the basic electronics core subjects. The study of radio frequency communications begins with an in-depth analysis of AM modulation. The AM transmitter and receiver are studied for both low power and high power applications. Electronic theory, circuits and tests and measurements are studied. The primary focus is on frequency modulation (FM). The transmitter and receiver are studied, as well as applications. The two types of modulations are explored in transceiver and radio repeater fields. Other areas covered include transmission lines, radio wave propagation, and antenna theory.
 

Expansion of theories covered in EC 211. Communication techniques, land mobile radio operations, cellular telephony, 800 Mhz trunking, and emerging technologies, including PCS, are introduced. Microwave and data communications are also covered.
 

The television industry including transmitting and receiving. The complex nature of cable and signal distribution is analyzed. The NTSC television waveform is studied. The terminology of television is introduced and video circuits are studied.
 

Exploration of data transmission. The starting point for this study is the personal computer. The world of data communications becomes the primary focus. The OSI model and its applications to various data communication is explored. Local Area Networks (LAN) and WAN receive much attention.
 

Exploration of voice communication. The current telecommunications and PSTN environment is investigated. Customer premise equipment such as 2500 sets, multi-line telephones, key systems, PBXs, voice-mail systems, and structured cabling systems are studied.
 

Fiber optics in all technologies. Selection of fiber optic cable, installation, splicing, termination and testing are taught.
 

Continuation of EC 241. Examination of central office (CO) equipment is the major area of study. CO peripheral equipment, multiplexing and multiplexing equipment, and switching and switching equipment are basic areas of study. Prerequisite: EC 241.
 

Continuation of EC 241. The outside plant design and maintenance in telephony is studied. Twisted pair and optical fiber, the two primary types of transmission media are examined. Electrical protection equipment is emphasized.
 

Theory and techniques in an applied environment. Experience performing laboratory experiments and troubleshooting defective electronic equipment proves useful. The school district’s telephone and cable systems are used as a learning environment.
 

Continuation of EC 251. Advanced troubleshooting procedures are presented. Systems studied include the school district’s telephone and cable system, televisions, VCRs, two-way communication devices, and other related equipment.