Monochrome Television Receiver
Explain the basic concept of Television Receiver.
Draw the block diagram of a monochrome Television Receiver.
Explain the functions and operation of a monochrome Television Receiver.
Sound Reproduction in Television Receiver
Explain the Sound Signal form and path from the receiver to the loud speaker.
Image Reproduction in Television Receiver
Describe how image is reproduced by the process of scanning in a television receiver.
Explain the video signal path from the antenna to the picture tube or the display unit.
Television Transmitter
Explain the basic working principle of a Television Transmitter.
Draw the block diagram of a Television Transmitter.
Explain the function(s) of each of the stages of a Television Transmitter.
Oscillators and Multivibrators
Explain the basic principles, designs and applications of simple Oscillators and Multivibrators
Build a simple Oscillator and Multivibrator.
Explain the various types of Oscillators and their applications.
Explain the various types of MuItivi brators and their applications.
Feedback
Explain the basic concepts of feed back amplifiers.
Explain types of negative feed back and their characteristics.
Explain effects of positive feed back on amplifiers.
Advantages of negative feed back.
Resistive, Inductive and Capacitive (RLC) Circuits
Calculate simple problems involving inductive and capacitive reactance.
Calculate simple problems involving RC, RL, LC, and RLC Circuits.
Fault finding Equipment
Identify each of the Instruments.
Explain the operations, uses of functional parts and limitation of fault finding equipment.
Localizing fault to a component using test equipment.
Repair faults.
Kirchhoff’s Laws
Defining and stating vector diagrams.
Kirchhoff’s law.
Current law,
Voltage law.
Explaining current law using vector diagram.
Solving simple numerical problems involving Current and Voltage law.
Stating uses of Kirchhoff’s law and its advantages over Ohm’s law.
Safety Precautions in Television Workshop
Discharge smoothening Capacltdrts) the power supply section of the Television.
Clean debris .’ and dust . collected around high voltage cage or the anode of the tube.
Take care and dispose picture tube properly.
Replace fuse and sensitive components with the right specification.
Fault Finding and Repairs in Radio Receiver
Diagnose fault by using fault finding pieces of equipment and logical trouble shooting procedure.
Identify specific components responsible for fault.
Correct the fault by replacing fault components.
Align the RF and IF stages of a radio set using the necessary equipments and tools.
Electronic Repairs
Dismantle and reassemble power supply unit in a Radio Set.
Dismantle and reassemble RF , IF, detector stages in a Radio Receiver Set.
Install and maintain a Car Radio Set.
Satellite Communication System
Explain the basic principles of Satellite system.
Explain the basic elements of Satellite Communication systems.
Explain the transmission
and reception of Satellite Communication signals.
Install a Satellite Communication system using right Antenna.
Resonance Circuit
Define Resonance.
Explain series, Parallel and series- parallel Resonance.
Explain the concept of Bandwidth using frequency ranges.
Selectivity and Sensitivity
Define selectivity and sensitivity.
Explain the function of tuner in radio receiver.
Identify the tuner ,in radio receiver
Radio Receiver
Explain the function(s) and operation of a radio receiver.
Name the various types of Radio Receiver.
Draw the block diagram of radio receiver and explains the function(s) of each stage.
State the advantages and disadvantages of the various types of Radio Receiver.
Radio Transmitter
Explain the function(s) and operation of radio transmitter.
Draw the block diagram of radio transmitter.
Explain the function(s) of each stage of radio transmitter
Amplifiers
Define and state the functions of an Amplifier.
Describe the operation frequency of the various classes of Amplifier.
Construct a single stage Amplifier.
Power Supply Unit
Explain power supply unit and identify power section in a schematic diagram.
Identify the different components that make a power supply and the different sections of a power unit.
Construct a stabilized low- voltage DC power supply unit.
Measuring Instruments
Explain the operation, uses and list functional parts and limitation of measuring and indicating instruments.
Set and read measuring instruments for AC and DC measurement.