ELECTRONICS TECHNOLOGY
Class XII / Subject Code - 820
After successfully completing the two years of Senior Secondary Skill Course the student would have
acquired relevant appropriate and adequate technical knowledge together with professional skills and
competencies in the field of Electrical Technology so that he/she is properly equipped to take up gainful
employment in this vocation.
Course Objective
1. The basic concepts in engineering drawing.
2. The concepts, and principles of working of basic electronic devices and circuits.
3. The knowledge of the testing procedure of components and circuits by making use of different test instruments.
2. The concepts, and principles of working of basic electronic devices and circuits.
3. The knowledge of the testing procedure of components and circuits by making use of different test instruments.
The Hospitality service industry is fast growing and evolving. The development of Catering Institutions has closely followed the changes in the food habits of people. Food changes are determined by socio-economic conditions and demographic shifts. industrialization, Migration, and International trade have resulted in greater employment for both men and women worldwide.
Instructor
The relevant basic concept sand principles in basic science subjects (Physics, Chemistry
and Mathematics) so that he/she is able to understand the different vocational subjects.
- E-learning & Onsite classes
- A 'Workshop' class
- Industrial Visit
- Certificate of Completion
Course Content
1) Brief History of Electronics.
2) Atom and its elements, Bohr Atomic model, Atomic energy level.
3) Electron, Force, Field intensity, Potential, Energy, current, current density, Ionization potential.
4) Electric field, Magnetic field, Motion of charged particles in an electric and magnetic field.
5) Overview of CRO, Electronic and Magnetic deflection in CRO, Applications.
2) Atom and its elements, Bohr Atomic model, Atomic energy level.
3) Electron, Force, Field intensity, Potential, Energy, current, current density, Ionization potential.
4) Electric field, Magnetic field, Motion of charged particles in an electric and magnetic field.
5) Overview of CRO, Electronic and Magnetic deflection in CRO, Applications.
1. Construction, working principle and frequency response of Carbon Microphone, Variable
Reactance Microphone, Capacitance Microphone, Piezo-Electric Microphone, Moving Coil
Microphone.
2. Frequency ranges of musical instruments, Intensity and Dynamic Range, Constructions and working principles of Moving Coil Loudspeaker, Impedance and Power Level of loudspeaker, Frequency characteristics of Practical Loudspeakers: Woofer, Tweeter, Squawker, and Loudspeaker Enclosure.
2. Frequency ranges of musical instruments, Intensity and Dynamic Range, Constructions and working principles of Moving Coil Loudspeaker, Impedance and Power Level of loudspeaker, Frequency characteristics of Practical Loudspeakers: Woofer, Tweeter, Squawker, and Loudspeaker Enclosure.
1. Analog and digital sound recording, Disk recording, and reproduction, working principle with
block diagram of disk recording and reproduction.
2. Principle of magnetic recording and playback, Requirement of bias, Working principle with block diagram of a tape recorder system.
3. Principle of optical recording, CD/ DVD manufacturing, and recording, CD/ DVD player system, Advantages/ Disadvantages.
4. Steps for Fault finding &Analysis
2. Principle of magnetic recording and playback, Requirement of bias, Working principle with block diagram of a tape recorder system.
3. Principle of optical recording, CD/ DVD manufacturing, and recording, CD/ DVD player system, Advantages/ Disadvantages.
4. Steps for Fault finding &Analysis
1. Working principle with the block diagram of TV transmitter and receiver, Brief description with circuit diagram: TV Tuner, Video IF stage, Sound stage, Picture tube & its associated circuit, Synchronizing circuits, Horizontal & vertical deflection circuits, Remote control of a TV receiver, The idea of bandwidth, blanking, and synchronization pulses, modulation scheme, monochrome the system, an extension of color transmission.
2. Channel and cable type TV system, Head end processor, Trunk & cable distribution system with block diagram, Scrambling.
3. Introduction to LCD and LED TV systems, Introduction to high definition systems.
4. Steps for Fault finding &Analysis.
1. Working principle and block diagram of the following:
Microwave oven, Telephone, Fax machine, Printers, Scanners.
2. Steps for Fault finding & Analysis.
Microwave oven, Telephone, Fax machine, Printers, Scanners.
2. Steps for Fault finding & Analysis.