Exam Primer

Overview
1. Regulations and Policies
  • Authority and Regulations
  • Licence
  • License Penalties
  • Certificate
  • Operation, Repair
  • Content Restrictions
  • Operating Restrictions
  • Interference
  • Emergencies
  • Non-remuneration, Privacy
  • Call Signs
  • Other Countries
  • Frequency Bands
  • Power Allowed
  • unmodulated carriers, retransmission
  • amplitude modulation, frequency stability, me
  • International Telecommunication Union (ITU)
  • Exams
  • Antenna Structures
  • RF Field Strength
  • Resolving Complaints
  • 2. Operating and Procedures
  • VHF/UHF Repeaters - Voice
  • Phonetic Alphabet
  • Voice Operating Procedures
  • tuning, testing and dummy loads
  • Morse Code (CW) procedures
  • RST signal reporting, S meter
  • Q Signals
  • Emergency Operating Procedures
  • Record Keeping, Antenna Orientation and Maps
  • 3. Station Assembly, Practice and Safety
  • Layout of HF Stations
  • Layout of FM Transmitters
  • Layout of FM Receivers
  • Layout of CW Transmitters
  • Layout of SSB/CW receivers
  • Layout of SSB Transmitters
  • Layout of Digital Systems
  • Layout of Regulated Power Supplies
  • Layout of Yagi-Uda Antennas
  • Receiver Fundamentals
  • Transmitter, carrier, keying, AM
  • Carrier Suppression, SSB
  • Frequency and Phase Modulation
  • Station Accessories
  • Digital Modes
  • Batteries
  • Power Supplies
  • Electrical Safety
  • Antenna and Tower Safety
  • RF Exposure Safety
  • 4. Circuit Components
  • Amplifier Fundamentals
  • Diodes
  • Bipolar Transistors
  • Field-effect Transistors
  • Tiode Vacuum Tubes
  • Resister Color Codes
  • 5. Basic Electronics and Theory
  • Metric Prefixes
  • Basic Concepts
  • Circuits
  • Ohm's law
  • Series and Parallel Resistors
  • Power law, Resister Power Disipation
  • AC and frequency
  • Ratios, Logarithms and Decibels
  • Inductance and Capacitance
  • Reactance and Impedance
  • Magnetica and Transformers
  • Resonance and Tuned Circuits
  • Meters and Measurements
  • 6. Feedlines and Antenna Systems
  • Impedance and Feedlines
  • Balanced and Unbalanced feedlines
  • Feedlines and Connectors
  • Line Losses
  • Standing Wave Ratio
  • Impedance Matching
  • Isotropic Sources, Polarization
  • Wavelength vs Physical Length
  • Antenna Radiation Patterns
  • Vertical Antennas
  • Yagi Antennas
  • Wire Antennas
  • Quad/loop Antennas
  • 7. Radio Wave Propagation
  • Propogation Types
  • Ionospheric Regions
  • Hops and Skips
  • Ionosphere Issues
  • Solar Activity
  • MF and HF and Skywaves
  • VHF and UHF, Sporadic-E, Aurira, Ducting
  • Scatter - HF, VHF, UHF
  • 8. Interference and Suppression
  • Front-end overload
  • Audio Rectification, Bypass Capacitors, Ferri
  • Intermodulation, Spurious, Key-clicks
  • Harmonics, Splatter, Transmitter Adjustments
  • Filters
  • 4.1 Amplifier Fundamentals

    Practice


    B-004-01-01
    A circuit designed to increase the level of its input signal is called:
    an amplifier
    a modulator
    an oscillator
    a receiver

    B-004-01-02
    If an amplifier becomes non- linear, the output signal would:
    become distorted
    be saturated
    cause oscillations
    overload the power supply

    B-004-01-03
    To increase the level of very weak radio signals from an antenna, you would use:
    an RF oscillator
    an audio oscillator
    an RF amplifier
    an audio amplifier

    B-004-01-04
    To increase the level of very weak signals from a microphone you would use:
    an RF oscillator
    an RF amplifier
    an audio amplifier
    an audio oscillator

    B-004-01-05
    The range of frequencies to be amplified by a speech amplifier is typically:
    3 to 300 Hz
    300 to 1000 Hz
    40 to 40 000 Hz
    300 to 3400 Hz

    B-004-01-06
    Which of the following is not amplified by an amplifier?
    current
    resistance
    power
    voltage

    B-004-01-07
    The increase in signal level by an amplifier is called:
    attenuation
    amplitude
    modulation
    gain

    B-004-01-08
    A device with gain has the property of:
    attenuation
    oscillation
    modulation
    amplification

    B-004-01-09
    A device labelled "Gain = 10 dB" is likely to be an:
    attenuator
    oscillator
    audio fader
    amplifier

    B-004-01-10
    Amplifiers can amplify:
    current, power, or inductance
    voltage, current, or power
    voltage, power, or inductance
    voltage, current, or inductance

    B-004-01-11
    Which of the following is not a property of an amplifier?
    gain
    linearity
    distortion
    loss