G4B - Amateur Radio Practices
General Class
Test equipment: oscilloscopes, signal generators, frequency counters, antenna analyzers
13 questions
What item of test equipment contains horizontal and vertical channel amplifiers?
Which of the following is an advantage of an oscilloscope versus a digital voltmeter?
Which of the following is the best instrument to use for checking the keying waveform of a CW transmitter?
What signal source is connected to the vertical input of an oscilloscope when checking the RF envelope pattern of a transmitted signal?
Why do voltmeters have high input impedance?
What is an advantage of a digital multimeter as compared to an analog multimeter?
What signals are used to conduct a two-tone test?
What transmitter performance parameter does a two-tone test analyze?
When is an analog multimeter preferred to a digital multimeter?
Which of the following can be determined with a directional wattmeter?
Which of the following must be connected to an antenna analyzer when it is being used for SWR measurements?
What effect can strong signals from nearby transmitters have on an antenna analyzer?
Which of the following can be measured with an antenna analyzer?