This article is about the general occupation. They navy electricity and electronics training series pdf be employed in product evaluation and testing, using measuring and diagnostic devices to adjust, test, and repair equipment.
Electronics technicians may also work as sales workers or field representatives for manufacturers, wholesalers, or retailers giving advice on the installation, operation, and maintenance of complex equipment and may write specifications and technical manuals. In 2009, there were over 160,000 electronics technicians employed in the U. Depending on the specialty, more math or science may be required. About 200 ABET-accredited programs are offered in engineering technology specialities. ABET-accredited electronics technician programs usually require at least two mathematics courses and two physics courses in addition to the core competencies. In addition to vocational learning outcomes associated with the study of electronics and control systems, graduates of electronics technician programs are also expected to have essential employability skills and meet certain general education learning outcomes. Individual schools largely determine the specific program structure, delivery methods, and other curriculum components to be used to assist students in achieving the required program outcomes.
A significant component of course material includes laboratory experimentation. Schools offering electronics technician programs will have electronics laboratories to support the delivery of course curriculum. Electronics software simulation is also used in conjunction with traditional labs to provide greater opportunities for students to complete laboratory projects as part of their studies. The demand for jobs in the electronics engineering and service fields is the result of a recent proliferation of both consumer and industrial electronics products.
The design, installation, servicing and maintenance of this equipment has created significant employment opportunities in the electronics industry. Job opportunities for electrical and electronics technologists and technicians are increasing because many industries use electronic products and systems. Employment opportunities for electronics technicians vary and are largely based on their areas of expertise. Architecture and Engineering Occupations : Occupational Outlook Handbook : U. Electrical and Electronics Installers and Repairers : Occupational Outlook Handbook : U.
This page was last edited on 27 May 2017, at 12:19. Please forward this error screen to 216. This article is about the technical field of electronics. Unsourced material may be challenged and removed. They were almost solely responsible for the electronics revolution of the first half of the twentieth century. They took electronics from parlor tricks and gave us radio, television, phonographs, radar, long-distance telephony and much more. They played a leading role in the field of microwave and high power transmission as well as television receivers until the middle of the 1980s.
IBM products to use transistors in their design. From that time on transistors were almost exclusively used for computer logic and peripherals. Circuits and components can be divided into two groups: analog and digital. A particular device may consist of circuitry that has one or the other or a mix of the two types.
The number of different analog circuits so far devised is huge, especially because a ‘circuit’ can be defined as anything from a single component, to systems containing thousands of components. Good examples of analog circuits include vacuum tube and transistor amplifiers, operational amplifiers and oscillators. One rarely finds modern circuits that are entirely analog. These days analog circuitry may use digital or even microprocessor techniques to improve performance.
This type of circuit is usually called “mixed signal” rather than analog or digital. Sometimes it may be difficult to differentiate between analog and digital circuits as they have elements of both linear and non-linear operation. An example is the comparator which takes in a continuous range of voltage but only outputs one of two levels as in a digital circuit. In fact, many digital circuits are actually implemented as variations of analog circuits similar to this example—after all, all aspects of the real physical world are essentially analog, so digital effects are only realized by constraining analog behavior. Digital circuits are electric circuits based on a number of discrete voltage levels.
To most engineers, the terms “digital circuit”, “digital system” and “logic” are interchangeable in the context of digital circuits. Most digital circuits use a binary system with two voltage levels labeled “0” and “1”. Often logic “0” will be a lower voltage and referred to as “Low” while logic “1” is referred to as “High”. Quite often the logic designer may reverse these definitions from one circuit to the next as he sees fit to facilitate his design. The definition of the levels as “0” or “1” is arbitrary. Noise is not the same as signal distortion caused by a circuit. Noise is associated with all electronic circuits.
Mathematical methods are integral to the study of electronics. To become proficient in electronics it is also necessary to become proficient in the mathematics of circuit analysis. Due to the complex nature of electronics theory, laboratory experimentation is an important part of the development of electronic devices. These experiments are used to test or verify the engineer’s design and detect errors.
Many different methods of connecting components have been used over the years. The age of vacuum tubes: Early devices and the rise of radio communications”. The age of vacuum tubes: the conquest of analog communications”. The age of Vacuum Tubes: Merging with Digital Computing”. DOE 1998 Electrical Science, Fundamentals Handbook, 4 vols.