Communication Electronics N5 — Document

August 2018 — N5 — Communication Electronics

N5 2018 Nated Engineering

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🎯 100 marks ⏱️ 3h 📄 6 pages 📝 37 items found

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Q1— Section header —

1.1(3\

1.2(2\

1.3(2\

1.4/R (2\

1.5(2\

1.6(4\

1.7(2\

1.8ER (2\

1.9(2\

1.1024

Q2— Section header —

2.1Define insertion loss of a four terminal network. (2\

2.2network (FIGURE 2\to a network (FIGURE 3\ and find all valu es of the equivalent T circuit with ZA,

Q3— Section header —

3.1Describe a constant k filter in detail (4\

3.2Define a filter (2\

3.3

3.4Name the type of fi

Q3— Section header —

3.5Indicate whether the following statement is TRUE or FALSE. Choose the answer and write only 'True' of 'False' next to t he question number (3.5\in the ANSWER BOOK. Some LC filters use resistance

Q4— Section header —

4.1Name THREE components that the carrier wave contains. (3\

4.2Use simple sketches to represent the frequency spectrum of the RF signal from an AM transmitter when each of the following is transmitted:

4.2.1The RF carrier and both sidebands (3\

4.2.2The upper sideband only (1\

4.2.3The upper and lower sidebands without the carrier (2\

4.2.4The RF carrier only (1\

4.2.5The lower sideband only (1\

4.3Draw a fully labelled circuit diagram which is used to eliminate a frequency modulated carrier leaving the modulating signal. (16\

Q4— Section header —

Q5— Section header —

5.1Beam width

5.2Antenna

5.3Resonant antenna

5.4Aperture

5.515

Mark Allocation

Total100 marks

Sections24 + 20 + 13 + 28 + 15 = 100 marks

Paper information

TitleDocument

SubjectCommunication Electronics

LevelN5

Document typeQuestion paper

Year2018

MonthAugust

Pages11

Downloads5

Examination context

Decade2010s

Years ago8y

SeasonWinter (SH)

Start dayWednesday

Exam periodAugust 2018

Days since exam2,993

About Communication Electronics examination preparation

This TVET examination resource can be used as part of a structured revision programme. Past papers are most useful when learners attempt questions independently, work within a realistic time limit, and review their answers afterwards.

How to use this resource for revision

A TVET past examination paper is most useful when it is treated as an active revision exercise. Try the questions yourself before checking the corresponding memorandum. Where you make an error, identify the reason — was it a knowledge gap, a calculation mistake, an interpretation issue, or an examination technique problem?

For stronger examination practice, complete the paper without unnecessary interruptions and keep track of the questions that take the most time. Afterwards, review the memorandum and separate knowledge gaps from mistakes caused by interpretation, calculation, structure, or examination technique.

understanding question requirements

applying subject knowledge

working under time constraints

checking answers

identifying revision priorities

A practical revision approach

Start by completing the resource without looking at the memorandum. Review incorrect and incomplete answers afterwards and make a short revision list based on the areas that caused difficulty.

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File size575.3 KB

Pages11

Archived on8 September 2026

File age46d

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