The Final Exam is the culmination of the Advanced Amateur Radio course, designed to test your comprehensive understanding and skills across all the essential areas covered in the course, including:

1 Advanced Theory
2 Advanced Components and Circuits
3 Measurements
4 Power Supplies
5 transmitters, neutralisations
6 Receivers
7 Feedlines – Matching and Antenna Systems

By integrating knowledge from these varied but interconnected topics, the exam assesses your readiness to tackle the practical and theoretical challenges of advanced amateur radio, aligning with the requirements for the Spectrum Management Advanced Amateur Radio License.

Essential for those aiming for the Spectrum Management Advanced Amateur Radio License, this exam evaluates your proficiency in everything from basic electronics to the complexities of antenna systems, ensuring a thorough preparation for both the certification exam and practical operation.

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8.1.8 Final Exam

Advanced Amateur Radio – Final Exam

This exam consolidates your knowledge across critical topics, including electronics theory, operating practices, measurements, and antenna systems, among others, preparing you for the Spectrum Management Advanced Amateur Radio License. It’s your opportunity to demonstrate a comprehensive understanding of the field, crucial for advancing in amateur radio.

1 / 50

Category: Mixers, frequency multipliers

A-002-009-001: What is the mixing process?

 

2 / 50

Category: Single, double-conversion superheterodyne architectures

A-006-001-011: The advantage of a double conversion receiver over a single conversion receiver is that it:

3 / 50

Category: Silicon-controlled rectifiers (SCR)

A-002-005-011: Which of the following is a PNPN device?

4 / 50

Category: Codes and protocols, Baudot, ASCII, parity, CRC, X.25, ISO layers

A-005-008-011: How many information bits are included in the ISO-8859 extension to the ASCII code?

5 / 50

Category: Polarization, helical beam, parabolic antennas

A-007-005-011: You want to convert a surplus parabolic dish for amateur radio use, the gain of this antenna depends on:

6 / 50

Category: Advanced filter circuits – AF, RF

A-002-012-002: What are the distinguishing features of a Butterworth filter?

7 / 50

Category: Oscillators, mixers, tunings

A-006-002-010: Which two stages in a superheterodyne receiver have input tuned circuits tuned to the same frequency?

8 / 50

Category: Current and voltage distribution on antennas

A-007-004-008: The impedance of a half-wave antenna at its centre is low, because at this point:

9 / 50

Category: crystal calibrator, marking generator, frequency counter

A-003-004-008: Which device relies on a stable low-frequency oscillator, with harmonic output, to facilitate the frequency calibration of receiver dial settings?

10 / 50

Category: Antenna feed arrangements – tee, gamma, stubs

A-007-003-004: Assuming a velocity factor of 0.66 what would be the physical length of a typical coaxial stub that is electrically one quarter wavelength long at 14.1 MHz?

11 / 50

Category: Digital logic elements

A-002-010-003: What is a NOR gate?

12 / 50

Category: Operational amplifiers, properties, and applications

A-002-008-001: What is an operational amplifier (op-amp)?

13 / 50

Category: Advanced filter circuits – AF, RF

A-002-012-005: Resonant cavities are used by amateurs as a:

14 / 50

Category: Amplifier circuits – discrete and IC

A-002-007-009: The FET amplifier common source circuit is similar to which of the following bipolar transistor amplifier circuits?

15 / 50

Category: Parallel resonance

A-001-004-002: What is the resonant frequency of a parallel RLC circuit if R is 4.7 kilohms, L is 2 microhenrys and C is 15 picofarads?

16 / 50

Category: Transmitters, neutralisations

A-005-003-001: In a simple 2 stage CW transmitter circuit, the oscillator stage and the class C amplifier stage are inductively coupled by a RF transformer. Another role of the RF transformer is to:

17 / 50

Category: Radiation resistance, antenna efficiency, beamwidths

A-007-008-008: What is the term used for an equivalent resistance which would dissipate the same amount of energy as that radiated from an antenna?

18 / 50

Category: FM deviation, modulation index, deviation ratio, deviation meters

A-005-005-008: Some types of deviation meters work on the principle of:

19 / 50

Category: Amplifier circuits – discrete and IC

A-002-007-003: What are the advantages of a Darlington pair audio amplifier?

20 / 50

Category: Velocity factor, the effect of line terminated in non-characteristic impedances

A-007-002-003: What kind of impedance does a half wavelength transmission line present to the source when the line is open at the far end?

21 / 50

Category: AM, single sideband, linearity, two-tone tests

A-005-004-010: How much is the carrier suppressed below peak output power in a single-sideband phone transmission?

22 / 50

Category: AM, single sideband, linearity, two-tone tests

A-005-004-007: When testing the amplitude linearity of a single-sideband transmitter what audio tones are fed into the microphone input and on what kind of kind of instrument is the output observed?

23 / 50

Category: Advanced filter circuits – AF, RF

A-002-012-007: A device which helps with receiver overload and spurious responses at VHF, UHF and above may be installed in the receiver front end. It is called a:

24 / 50

Category: Electrostatic and electromagnetic fields, skin effect

A-001-002-002 What effect causes most of an RF current to flow along the surface of a conductor?

25 / 50

Category: FM transmitter, repeater circuits

A-005-006-011: Intermodulation interference products are not typically associated with which of the following:

26 / 50

Category: Oscillators, mixers, tunings

A-006-002-009: What receiver stage combines a 14.25-MHz input signal with a 13.795-MHz oscillator signal to produce a 455-kHz intermediate frequency (IF) signal?

27 / 50

Category: RF power amplifiers

A-005-002-011: Harmonics produced in an early stage of a transmitter may be reduced in a later stage by:

28 / 50

Category: Time Constant – Capacitance and Inductance

A-001-001-003: What is the term for the time required for the current in an RL circuit to build up to 63.2% of the maximum value?

 

29 / 50

Category: Antenna tuner/transmatch, impedance matching circuits

A-007-001-006: Which type of network offers the greatest transformation ratio?

30 / 50

Category: Antenna tuner/transmatch, impedance matching circuits

A-007-001-010: Which type of network provides the greatest harmonic suppression?

31 / 50

Category: FM transmitter, repeater circuits

A-005-006-003: How can intermodulation interference between two repeater transmitters in close proximity often be reduced or eliminated?

32 / 50

Category: FM transmitter, repeater circuits

A-005-006-007: Which type of filter would be best to use in a 2-metre repeater duplexer?

33 / 50

Category: RF power amplifiers

A-005-002-008: In a grounded grid amplifier using a triode vacuum tube, what would be the approximate B+ voltage required for an output of 400 watts at 400 mA with approximately 50 percent efficiency?

34 / 50

Category: Filter circuits, bleeder resistor functions

A-004-002-003: The advantage of the capacitor input filter over the choke input filter is:

35 / 50

Category: Basic Knowledge

What is the primary purpose of a ham radio?

36 / 50

Category: Advanced filter circuits – AF, RF

A-002-012-009: What is the primary advantage of the Butterworth filter over the Chebyshev filter?

37 / 50

Category: Current and voltage distribution on antennas

A-007-004-004: In a half-wave dipole, the lowest distribution of _________ occurs at the middle.

38 / 50

Category: Parallel resonance

A-001-004-004: What is the resonant frequency of a parallel RLC circuit if R is 4.7 kilohms, L is 2 microhenrys and C is 30 picofarads?

39 / 50

Category: Transistors – NPN/PNP

A-002-003-005: In a bipolar transistor the change of collector current with respect to base current is called:

 

40 / 50

Category: Field effect transistor (FET), JFET, MOSFET

A-002-004-001: What is an enhancement-mode FET?

 

 

 

41 / 50

Category: Quartz crystal – properties and applications

A-002-011-002: What factor determines the bandwidth and response shape of a crystal lattice filter?

42 / 50

Category: Single, double-conversion superheterodyne architectures

A-006-001-006: In a dual-conversion superheterodyne receiver what are the respective aims of the first and second conversion:

43 / 50

Category: Basic Knowledge

In a basic radio transmitter, the device that generates the radio frequency signal is called the:

44 / 50

Category: Mixers, frequency multipliers

A-002-009-004: In a frequency multiplier circuit, the input signal is coupled to the base of a transistor through a capacitor. A radio frequency choke is connected between the base of the transistor and ground. The capacitor is:

45 / 50

Category: Basic Knowledge

What is the purpose of a repeater in ham radio?

46 / 50

Category: Time Constant – Capacitance and Inductance

A-001-001-007: After two time constants, the capacitor in an RC circuit is discharged to what percentage of the starting voltage?

 

47 / 50

Category: Oscilloscope

A-003-005-002: What factors limit the accuracy, frequency response and stability of an oscilloscope?

48 / 50

Category: Diodes – point-contact, junction, hot-carrier and Zener

A-002-002-003: What is a common use for the hot-carrier (Schottky) diode?

 

 

49 / 50

Category: Amplifiers – Classes A, AB, B, and C

A-002-006-005: For what portion of a signal cycle does a Class C amplifier operate?

 

50 / 50

Category: Diodes – point-contact, junction, hot-carrier and Zener

A-002-002-010: If a Zener diode rated at 10 V and 50 watts was operated at maximum dissipation rating it would conduct ____ amperes:

 

 

 

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