Course Title:

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Program:

Semester:

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APPROVED:

SAULT COLLEGE OF APPLIED ARTS & TECHNOLOGY

SAULT STE. MARIE, ONTARIO

COURSE OUTLINE

COMMUNICATION SYSTEMS

ELN 245-6

ELECTRONIC TECHNICIAN

FOUR

AUGUST, 1986

P. SZILAGYI--------------------------------------------------------

New: Revision: x

Chai Date

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COMMUNICATIONSSYSTEMSII ELN 245

Course Name Course Number

GOALS:

A second course in Analog electronic communications at a Technology level.

The principles of FM, Stereophonic Broadcasting, Black and White Television,Colour Television and advanced communications techniques are studied.

The emphasis is on the presentation of electronic analog systems based on thecircuits studied in ELN237-8.

METHODOF ASSESSMENT:

3 written testsLab reports and practical tests

75%25%

TEXTBOOKS:

"Modern Electronic Communication"by Gary M. Miller"Basic Television and Video Systems" by Bernard Grob

OBJECTIVES:

BLOCKI

FMPRINCIPLES

Modulation indexPower distribution in the FMwaveBandwidth requirementsBessel functionsDeviation rJtioPhase modulationPreemphasis and deemphasis

FM RECEIVERS

Block diagramFM limiterfoster-seeley discriminatorRatio detectorPLL demodulatorFMdetector alignments

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OBJECTIVES- Continued

BLOCKII

FMTRANSMITTERS

The direct methodThe indirect methodReactangle modulatorVaractor modulatorCrosby FM systemPhase modulator

STEREOPHONICBROADCASTING

Block diagram of transmitterBlock diagram of receiverStereo DemodulationSCAdecoderLinear IC:stero decoders

BLOCKIII

THETELEVISIONSYSTEM

BLACKANDWHITETELEVISION

Scanning a picturePicture elementsInterlaced scanningHorizontal and vertical deflectionFrame and fieldsBlankingSynchronizationAspect ratio and resolutionTV cameras and picture tubesThe television signal

B & W TELEVISIONRECEIVERS

Tuner (UHF ANDVHF)IF AmplifiersThe audio sectionThe video sectionSync. and vertical deflectionHorizontal deflection and high voltage

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THETELEVISIONSYSTEM

PRINCIPLESOF COLOURTELEVISION

The luminence signalThe chrominance signalThe principles of colour generationHUE, saturation and brightnessThe Colour TVcamera and picture tubeThe colour subcarrierThe R-Y, G-Y, and B-Y signalsThe bandwidth of a colour TVsignalColour Burst signalThe composit colourplexed video signalBlock diagram of a colour TVreceiverDetailed block diagram of the colour circuits

THE COLOURTELEVISIONRECEIVER

Circuit analysis of the stages of a colour TV receiver

BLOCKV

COMMUNICATIONSTECHNICS

Double frequency conversionUPconversionDelayed AGLAuxiliary AGLBandspreadingVariable SensitivityVariable SelectivityNoise LimiterThe MeterSque1chCBtranscieversCB frequency synthesizersFacsimi IeMobile telephoneThe communications transceiver