ISED Amateur Radio Advanced Qualification Examination — Information & Free Practice
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Exam Review
About ISED Amateur Radio Advanced Qualification Examination
ISED Amateur Radio Advanced Qualification Examination · CA
Key exam facts
- Exam questions
- Total questions: 50.
- Passing score
- 70%
Topics covered
Advanced Theory - 001 (10%)
- time constant - capacitive and inductive
- electrostatic and electromagnetic fields, skin effect
- series-resonance
- parallel resonance
- quality factor (Q)
Advanced Components and Circuits - 002 (24%)
- germanium, silicon, gallium arsenide, doping, P-type, N-type
- diodes - point-contact, junction, hot-carrier, Zener, etc.
- transistors - NPN/PNP
- field effect transistor (FET), JFET, MOSFET
- silicon controlled rectifier (SCR)
- amplifiers - classes A, AB, B and C
- amplifier circuits - discrete and IC
- operational amplifiers, properties and applications
- mixers, frequency multipliers
- digital logic elements
- quartz crystal - properties and applications
- advanced filter circuits - AF, RF
Measurements - 003 (12%)
- AC - peak, peak-to-peak, average, root mean square (RMS)
- PEP, PEP relative to average power, PEP relative to voltage across load
- dip meter, signal generator
- crystal calibrator, marking generator, frequency counter
- oscilloscope
- meters, multimeter, power meter
Power Supplies - 004 (8%)
- transformer and rectifier circuits, voltage doubler circuit, PIP
- filter circuits, bleeder resistor function
- linear and switching voltage regulator circuits
- regulated power supplies
Transmitters, Modulation and Processing - 005 (18%)
- oscillator circuits, phase locked loop (PLL)
- RF power amplifiers
- transmitters, neutralisation
- AM, single sideband, linearity, two-tone test
- FM deviation, modulation index, deviation ratio, deviation meter
- FM transmitter, repeater circuits
- signal processing - AF, IF, and RF
- codes and protocols, Baudot, ASCII, parity, CRC, X.25, ISO layers
- spread spectrum - frequency hopping, direct sequence
Receivers - 006 (10%)
- single, double conversion superheterodyne architecture
- oscillators, mixers, tuning
- RF, IF amplifiers, selectivity
- detection, audio, automatic gain control
- performance limitations - instability, image, spurious, etc.
Feedlines - Matching and Antenna Systems - 007 (18%)
- antenna tuner/transmatch, impedance matching circuits
- velocity factor, effect of line terminated in non-characteristic impedance
- antenna feed arrangements - tee, gamma, stub
- current and voltage distribution on antenna
- polarization, helical beam, parabolic antennas
- losses in real antenna systems, effective radiated power
- ground and elevation effects, vertical radiation (take off) angle
- radiation resistance, antenna efficiency, beamwidth
- waveguide, microstrip line
How to prepare
Work through the topics, read the explanation after each answer, and revisit the areas where you miss questions. Use the official outline and reference materials below to guide your study.
These independent practice questions are not actual exam items and do not guarantee a passing result.
Frequently asked questions
How many questions are on the exam?
Total questions: 50.
What is the passing score?
70%
Official sources and references
- RIC-3 — Information on the Amateur Radio Service
section 5.3
- RIC-3 — Information on the Amateur Radio Service
section 5.3.1
- Print all advanced questions
Foreword
- Advanced Qualification Question Bank for Amateur Radio Operator Certificate Examinations
title page
- Advanced Qualification Question Bank for Amateur Radio Operator Certificate Examinations
Foreword
- RIC-1 — Guide for Examiners Accredited to Conduct Examinations for Amateur Radio Operator Certificates
section 5.2
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