H
CA_ADVFor candidates pursuing the Canadian Advanced qualification and expanded privileges.

Canada Advanced Question Bank

ISED Canada Advanced question bank covering advanced circuits, transmitters, receivers, measurements, antennas, propagation, and safety.

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Study Guide

A comprehensive guide to the ISED Canada Advanced exam, focusing on advanced electronics, circuit design, RF transmission, and complex antenna systems. Mastery of these topics is required for expanded amateur radio privileges in Canada.

Review Path

  • Theory & Circuits: Start with advanced theory and circuit design. Focus on RLC circuits, time constants, and semiconductor properties (like pure silicon and FETs).
  • TX/RX & Measurements: Move to transmitters, receivers, and measurements. Understand the roles of balanced modulators, PLLs, and how to safely use oscilloscopes and dip meters.
  • Antennas & Propagation: Study antennas, feed lines, and propagation. Learn about gamma matches, quarter-wave cavities, and how to calculate Effective Radiated Power (ERP) using decibels.
  • Safety & EMC: Conclude with interference, EMC, and safety. Pay attention to filter designs, bleeder resistors, and grounding techniques to prevent RF interference.

High-Yield Focus

  • Decibel & ERP Calculations: Be ready to calculate ERP by summing system gains and losses in dB, remembering that a net +3 dB doubles the power.
  • Resonance & Time Constants: Memorize the resonant frequency formula for RLC circuits and the specific percentage (63.2%) for current build-up in RL time constants.
  • Modulation Techniques: Know the specific components used to generate different signals, such as balanced modulators for SSB and the parameters critical to FM transmitters.
  • Component Handling & Safety: Understand practical safety and handling, like using bleeder resistors in choke filters and protecting CMOS/FET devices from static electricity.

Common Confusions

  • Amplifier Roles: Confusing the purpose of an RF amplifier in a receiver. Its primary job is to improve the noise figure, not to provide the bulk of the receiver's gain.
  • Antenna Tuner Types: Mixing up transformer-type tuners with Pi-network tuners. They are distinct circuit designs with different matching characteristics.
  • Test Equipment Applications: Misunderstanding what a dip meter measures versus an antenna analyzer, or forgetting to use a sampling device when connecting a transmitter to an oscilloscope.
  • Semiconductor Properties: Assuming pure silicon is a semiconductor by default, forgetting that without doping, it acts as an insulator.

Readiness Check

  • Can you reliably calculate resonant frequencies and quarter-wavelength dimensions for given frequencies?
  • Do you understand the signal flow and component functions for generating SSB, FM, and spread spectrum signals?
  • Are you familiar with the physical connections of antenna matching systems, such as the gamma match?
  • Have you mastered the decibel math required to determine final Effective Radiated Power (ERP) from transmitter output, line loss, and antenna gain?

Topic Review

54 Qs

Advanced theory and components

Advanced theory and components follows the A-001 section of the Canadian question bank.

132 Qs

Circuit design and power supplies

Circuit design and power supplies follows the A-002 section of the Canadian question bank.

66 Qs

Transmitters and receivers

Transmitters and receivers follows the A-003 section of the Canadian question bank.

44 Qs

Measurements and troubleshooting

Measurements and troubleshooting follows the A-004 section of the Canadian question bank.

99 Qs

Antennas and transmission lines

Antennas and transmission lines follows the A-005 section of the Canadian question bank.

55 Qs

Propagation and operating practice

Propagation and operating practice follows the A-006 section of the Canadian question bank.

99 Qs

Interference, EMC, and safety

Interference, EMC, and safety follows the A-007 section of the Canadian question bank.

Sample Questions

A-001-001-001What is the meaning of the term "time constant" in an RL circuit ?A-001-001-002What is the term for the time required for the capacitor in an RC circuit to be charged to 63.2% of the supply voltage?A-001-001-003What is the term for the time required for the current in an RL circuit to build up to 63.2% of the maximum value?A-001-001-004What is the term for the time it takes for a charged capacitor in an RC circuit to discharge to 36.8% of its initial value of stored charge?A-001-001-005What is meant by "back EMF"?A-001-001-006After two time constants, the capacitor in an RC circuit is charged to what percentage of the supply voltage?A-001-001-007After two time constants, the capacitor in an RC circuit is discharged to what percentage of the starting voltage?A-001-001-008What is the time constant of a circuit having a 100 microfarad capacitor in series with a 470 kilohm resistor?A-001-001-009What is the time constant of a circuit having a 470 microfarad capacitor in series with a 470 kilohm resistor?A-001-001-010What is the time constant of a circuit having a 220 microfarad capacitor in series with a 470 kilohm resistor?A-001-002-001What is the result of skin effect?A-001-002-002What effect causes most of an RF current to flow along the surface of a conductor?A-001-002-003Where does almost all RF current flow in a conductor?A-001-002-004Why does most of an RF current flow within a very thin layer under the conductor's surface?A-001-002-005Why is the resistance of a conductor different for RF currents than for direct currents?A-001-002-006What unit measures the ability of a capacitor to store electrical charge?A-001-002-007A wire has a current passing through it. Surrounding this wire there is:A-001-002-008In what direction is the magnetic field oriented about a conductor in relation to the direction of electron flow?A-001-002-009What is the term for energy that is stored in an electromagnetic or electrostatic field?A-001-002-010Between the charged plates of a capacitor there is:A-001-002-011Energy is stored within an inductor that is carrying a current. The amount of energy depends on this current, but it also depends on a property of the inductor. This property has the following unit:A-001-003-001What is the resonant frequency of a series RLC circuit if R is 47 ohms, L is 50 microhenrys and C is 40 picofarads?A-001-003-002What is the resonant frequency of a series RLC circuit, if R is 47 ohms, L is 40 microhenrys and C is 200 picofarads?A-001-003-003What is the resonant frequency of a series RLC circuit, if R is 47 ohms, L is 50 microhenrys and C is 10 picofarads?