Communication Electronics N6 — Memo

April 2020 — N6 — Communication Electronics

N6 2020 Nated Engineering

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Q1— Section header —

1.1Series L 79,567 mH Series C 012 2..Z.f.f 49,729 nF Shunt L

1.2Series L 3,183 mH Series C 106,09 nF Shunt L

1.358,757 m 163,215 nF 58,757 -3 48,965 nF 35,254 mH 43,524 nF [19]19

Q2— Section header —

2.1.3

2.2for 3 dB: for 5 dB: 20 log N 20 log

Q3— Section header —

3.1.1SWR 1,25 SWR 3,32

3.3The stub is a short piece of wire which is short circuited across the transmission line [17]17

Q4— Section header —

4.1.1222 112 R + + AA . A 1(IN\ 1(eq\ 2(OUT\ = 9

4.1.24.K.T.f.R -23 4 1,3810 298 910 22,57810 57,815 (2\

4.24.K.T.f.R 1,996 1,976 20 nV

4.3.1he ratio of signal power to noise power at the same point in a circuit S/N =

4.3.216

Q5— Section header —

5.1(7\

5.2The carrier voltage V is applied to the base of Q and is constant in the absence of a modulating signal V . Class C bias is supplied by the ratio . When a modulat ing voltage V is applied via T

5.3Sampling is a process whereby parts of a signal [18] 1118

Q6— Section header —

6.1True (1\

6.2he angular separation between the two half power points ( 3 dB\ on the radiation pattern of an antenna (2\

6.3.1The plane in which the electrical field is radiated from the a nte nna

6.3.2

6.4Path loss = 2 0,4 dB 1,096 310 310 0,1 m 10,879 kW

Topics Identified

Business Plan

Mark Allocation

Sections19 + 14 + 17 + 16 + 18 + 16 = 100 marks

Paper information

TitleMemo

SubjectCommunication Electronics

LevelN6

Document typeNated Engineering

Year2020

MonthApril

Pages11

Downloads6

Examination context

Decade2020s

Years ago6y

SeasonAutumn (SH)

Start dayWednesday

Exam periodApril 2020

Days since exam2,386

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 size573.1 KB

Pages11

Archived on8 September 2026

File age49d

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