This page has every Radio Theory N3 August paper we have, from 2018 to 2021: 3 question papers and 3 memos in 18 PDFs. Files are in Afrikaans. The newest year is first. Each paper shows the first page of questions, its marks and time, and what the questions cover.
Radio Theory N3 August papers by year
Radio Theory N3 August 2021 question papers and memos
August 2021
Radio Theory N3 August 2021 question paper
100 marks · 3 hours · 4 pages · 8 questions
What is in this paper (8 questions)
Q1
1.1 Bewys dat die verlies of wins van ’n netwerk N = 20logE2 is, gegewe dat E en 12 marks
Q2
2.1 Beskryf kortliks in-faseverwerpingsverhouding (‘common-mode rejection ratio’) 10 marks
Q3
Teken ’n volledig benoemde blokdiagram om aan te toon hoe instrumente vir belyning 15 marks
Q4
4.1 Teken ’n netjiese, benoemde blokdiagram van ’n FM-sender (‘transmitter’). (10) 20 marks
Q5
5.1 Teken ’n netjiese, volledig benoemde blokdiagram van ’n 20 marks
Q6
6.1 Wat is die belangrikste eienskap van ’n antenna? (2) 8 marks
Q7
Dui aan of die volgende stellings WAAR of ONWAAR is deur slegs 'Waar' of 'Onwaar' 10 marks
Q8
Verduidelik die voorkeur van digitale data na analoogdata vir die transmissie van 5 marks
Instructions to candidates Answer all the questions. Read all the questions carefully. Number the answers according to the numbering system used in this question paper. Start each question on a new page. Use only a black or blue pen. Write neatly and legibly. (11040873) -3-
Radio Theory N3 August 2019 question papers and memos
August 2019
Radio Theory N3 August 2019 question paper
100 marks · 3 hours · 6 pages · 9 questions
What is in this paper (9 questions)
Q1
The oscilloscopes hown below displays the oscillator output of a superheterodyne 10 marks
Q2
Show, with the aid of a block diagram of e sth tages concerned, how a swee-spignal 10 marks
Q3
3.1 Draw the circuit diagram of an inverting operational amplifier applied as an 15 marks
Q4
Choose the correct answer from those given in brackets. Write only the answer next to 15 marks
Q5
Explain, with the aid of simple sketches, each of the following forms of modulation: 8 marks
Q6
6.1 Briefly explain why AGC is needed and how it is achieved. (4) 7 marks
Q7
7.1 Draw a neat, labelled circuit diagram of a ratio detector. (8) 15 marks
Q8
Briefly explain, with reference to radio-wave propagation, each of the following: 10 marks
Q9
9.1 Explain how a capstan drive works with regard to tape recorders. (6) 10 marks
Instructions to candidates Answer ALL the questions. Read ALL the questions carefully. Number the answers according to the numbering system used in this question paper. Write neatly and legibly. (11040873) -3-
Radio Theory N3 August 2018 question papers and memos
August 2018
Radio Theory N3 August 2018 question paper
100 marks · 3 hours · 5 pages · 9 questions
What is in this paper (9 questions)
Q1
Indicate whether the following statements are TRUE or FALSE. Choose the answer 10 marks
Q2
An amplifier with an input impedance of 500 Ω is terminated with a 2 Ω loudspeaker. 10 marks
Q3
3.1 Give FIVE ideal characteristics that an operational amplifier displays when 10 marks
Q4
Draw a circuit diagram of a transistor push-pull audio output amplifier coupled to a 15 marks
Q5
5.1 Explain, with the aid of simple sketches, each of the following forms of 10 marks
Q6
6.1 State the main purpose of a detector stage in a receiver. (2) 15 marks
Q7
7.1 Explain, with the aid of a simple sketch, the construction and operation of the 10 marks
Q8
8.1 Briefly explain the phenomena of wow and flutter when tape speed is not kept 5 marks
Q9
Explain FM/IF alignment when using a sweep signal generator and an oscilloscope. [15] 15 marks
Instructions to candidates Answer ALL the questions. Read ALL the questions carefully. Number the answers correctly according to the numbering system used in this question paper. Write neatly and legibly. (11040873) -3- T1520(E)(J31)T
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Questions about these papers
Which years of Radio Theory N3 August papers are on this page? Papers from 2021, 2019, 2018. The newest year is at the top.
How many marks is the Radio Theory N3 August paper? The paper is usually out of 100 marks and you get 3 hours to write it.
Are the memos included? Yes. 3 of the 3 papers on this page have their marking memo next to the question paper.
