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Questions and Answers
What is the principle of operation for a frequency counter?
What is the principle of operation for a frequency counter?
- Using a crystal controlled oscillator to generate the input signal
- Gating the unknown input signal into the counter for a predetermined time (correct)
- Measuring the amplitude of the periodic waveform
- Converting the input signal into analog form for measurement
What is the function of the crystal controlled oscillator in a frequency counter?
What is the function of the crystal controlled oscillator in a frequency counter?
- Measuring the amplitude of the waveform
- Counting the number of waveform cycles
- Converting the waveform into square pulses
- Generating a very accurate 100 kHz waveform (correct)
How are the frequencies at the outputs of each decade counter in the frequency counter?
How are the frequencies at the outputs of each decade counter in the frequency counter?
- Inversely proportional to the crystal frequency
- Twice the crystal frequency
- Dependent on the amplitude of the input signal
- As accurate as the crystal frequency (correct)
What does a digital voltmeter (DVM) display?
What does a digital voltmeter (DVM) display?
How does a frequency counter measure the frequency of the input signal?
How does a frequency counter measure the frequency of the input signal?
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