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Technician Licensing Class

Learn about ham radio, call signs, frequencies, antennas, and more in this Technician licensing class. Valid from July 1, 2014, through June 30, 2018.

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Technician Licensing Class

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  1. Technician Licensing Class Picture This! Valid July 1, 2014 Through June 30, 2018

  2. Amateur Radio Technician ClassElement 2 Course Presentation ELEMENT 2 SUB-ELEMENTS (Groupings) About Ham Radio Call Signs Control Mind the Rules Tech Frequencies Your First Radio Going On The Air! Repeaters Emergency! Weak Signal Propagation 2

  3. Amateur Radio Technician ClassElement 2 Course Presentation ELEMENT 2 SUB-ELEMENTS (Groupings) Talk to Outer Space! Your Computer Goes Ham Digital! Multi-Mode Radio Excitement Run Some Interference Protection Electrons – Go With the Flow! It’s the Law, per Mr. Ohm! Picture This! Antennas Feed Me With Some Good Coax! Safety First! 3

  4. Picture This! The name for standardize representations of components in an electrical wiring diagram is Schematic Symbols. T6C01 The symbols on an electrical circuit schematic diagram represent electrical components. T6C12 The way components are interconnected is accurately represented in electrical circuit schematic diagrams. T6C13 4

  5. Picture This! 5 Schematic symbols.

  6. Picture This! The component #3 in figure T3 is a variable inductor. T6C10 The component #4 in figure T3 is an antenna. T6C11 Figure T3 6

  7. Picture This! A capacitor is used together with an inductor to make a tuned circuit. T6D08 A simple resonant or tuned circuit consists of an inductor and a capacitor connected in series or parallel. T6D11 7

  8. Picture This! Component #1 in Figure T1 is a Resistor. T6C02 Component #2 in Figure T1 is a Transistor. T6C03 The function of component #2 in Figure T1 is to control the flow of current. T6D10 Figure T1 8

  9. Picture This! Component #3 in Figure T1 is a Lamp.T6C04 Component #4 in Figure T1 is a Battery.T6C05 Figure T1 9

  10. Picture This! Component #3 in Figure T2 is a single-pole, single-throw switch. T6D03 Component #4 in Figure T2 is a transformer. T6C09 Component #6 in Figure T2 is a capacitor. T6C06 Figure T2 10

  11. Picture This! Component #8 in Figure T2 is a light emitting diode. T6C07 Component #9 in Figure T2 is a variable resistor. T6C08 Figure T2 11

  12. Picture This! A meter can be used to display signal strength on a numeric scale . T6D04 A switch controlled by an electromagnet describes a relay. T6D02 12

  13. Picture This! A regulator is a type of circuit that controls the amount of voltage from a power supply. T6D05 The component commonly used to change 120V AC house current to a lower AC voltage for other uses is a transformer. T6D06 13

  14. Picture This! The name of a device that combines several semiconductors and other components into one package is an integrated circuit. T6D09 14

  15. Picture This! 3 dB is the approximate amount of change, measured in decibels (dB) of a power increase from 5 watts to 10 watts.T5B09 15

  16. Picture This! The approximate amount of change, measured in decibels (dB) of a power decrease from 12 watts to 3 watts is -6 dB.T5B10 The approximate amount of change, measured in decibels (dB), of a power increase from 20 watts to 200 watts is 10 dB.T5B11 16

  17. Picture This! The abbreviation LED stands for Light Emitting Diode. T6B07 A device commonly used as a visual indicator is an LED. T6D07 17

  18. Picture This! 18

  19. Picture This! Another way to specify a radio signal frequency of 1,500,000 hertz is: If a frequency readout shows a reading of 2425 MHz, it can be read as: There are one thousand volts in: If an ammeter calibrated in amperes is used to measure a 3000-milliampere current, the reading would show: 1500 kHzT5B02 2.425 GHzT5B13 One KilovoltT5B03 3 amperesT5B06

  20. Picture This! 28,400 kHz is equal to: 500 milliwatts is equivalent to: 1.5 amperes is the same as: 1,000,000 picofarads is the same as: One one-millionth of a volt is equal to: 28.400MHz T5B12 0.5 watts. T5B05 1,500 milliamperes. T5B01 1 microfard T5B08 one microvolt T5B04 20

  21. Picture This! • Rosin-core solder is the best type of solder for radio and electronic use. T7D08 • A grainy or dull surface is the characteristic appearance of a cold solder joint.T7D09 21

  22. Picture This! • Voltage and resistance measurements are commonly made using a multimeter. T7D07 Digital Multimeter Analog Multimeter 22

  23. Picture This! • Take precautions when measuring circuit resistance to ensure that the circuit is not powered.T7D11 • Measuring voltage when using the resistance setting might damage a multimeter. T7D06 • When an ohmmeter, connected across an unpowered circuit, initially indicates a low resistance and then shows increasing resistance with time indicates the circuit contains a large capacitor. T7D10 23

  24. Element 2 Technician Class Question Pool Picture This! Valid July 1, 2014 Through June 30, 2018

  25. T6C01 What is the name for standardized representations of components in an electrical wiring diagram? • Electrical depictions • Grey sketch • Schematic symbols • Component callouts

  26. T6C12 What do the symbols on an electrical circuit schematic diagram represent? • Electrical components • Logic states • Digital codes • Traffic nodes

  27. T6C13 Which of the following is accurately represented in electrical circuit schematic diagrams? • Wire lengths • Physical appearance of components • The way components are interconnected • All of these choices

  28. T6C10 What is component 3 in figure T3? • Connector • Meter • Variable capacitor • Variable inductor

  29. T6C11 What is component 4 in figure T3? • Antenna • Transmitter • Dummy load • Ground

  30. T6D08Which of the following is used together with an inductor to make a tuned circuit? • Resistor • Zener diode • Potentiometer • Capacitor

  31. T6D11What is a simple resonant or tuned circuit? An inductor and a capacitor connected in series or parallel to form a filter A type of voltage regulator A resistor circuit used for reducing standing wave ratio A circuit designed to provide high fidelity audio

  32. T6C02What is component 1 in figure T1? • Resistor • Transistor • Battery • connector

  33. T6C03 What is component 2 in figure T1? • Resistor • Transistor • Indicator lamp • Connector

  34. T6D10 What is the function of component 2 in Figure T1? • Give off light when current flows through it • Supply electrical energy • Control the flow of current • Convert electrical energy into radio waves

  35. T6C04What is component 3 in figure T1? • Resistor • Transistor • Lamp • Ground symbol

  36. T6C05 What is component 4 in figure T1? • Resistor • Transistor • Battery • Ground symbol

  37. T6D03What type of switch is represented by item 3 in figure T2? • Single-pole single-throw • Single-pole double-throw • Double-pole single-throw • Double-pole double-throw

  38. T6C09What is component 4 in figure T2? • Variable inductor • Double-pole switch • Potentiometer • Transformer

  39. T6C06What is component 6 in figure T2? • Resistor • Capacitor • Regulator IC • Transistor

  40. T6C07 What is component 8 in figure T2? • Resistor • Inductor • Regulator IC • Light emitting diode

  41. T6C08What is component 9 in figure T2? • Variable capacitor • Variable inductor • Variable resistor • Variable transformer

  42. T6D04 Which of the following can be used to display signal strength on a numeric scale? • Potentiometer • Transistor • Meter • Relay

  43. T6D02 What best describes a relay? • A switch controlled by an electromagnet • A current controlled amplifier • An optical sensor • A pass transistor

  44. T6D05What type of circuit controls the amount of voltage from a power supply? • Regulator • Oscillator • Filter • Phase inverter

  45. T6D06What component is commonly used to change 120V AC house current to a lower AC voltage for other uses? • Variable capacitor • Transformer • Transistor • Diode

  46. T6D09 What is the name of a device that combines several semiconductors and other components into one package? • Transducer • Multi-pole relay • Integrated circuit • Transformer

  47. T5B09 What is the approximate amount of change, measured in decibels (dB), of a power increase from 5 watts to 10 watts? • 2 dB • 3 dB • 5 dB • 10 dB

  48. T5B10What is the approximate amount of change, measured in decibels (dB), of a power decrease from 12 watts to 3 watts? • -1 dB • -3 dB • -6 dB • -9 dB

  49. T5B11What is the approximate amount of change, measured in decibels (dB), of a power increase from 20 watts to 200 watts? • 10 dB • 12 dB • 18 dB • 28 dB

  50. T6B07What does the abbreviation "LED" stand for? • Low Emission Diode • Light Emitting Diode • Liquid Emission Detector • Long Echo Delay

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