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E7F13 - What is the function of taps in a digital signal processing filter?
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0
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2
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January 2, 2026
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E7F12 - Which of the following is generally true of Finite Impulse Response (FIR) filters?
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0
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0
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January 2, 2026
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E7F11 - What sets the minimum detectable signal level for a direct-sampling software defined receiver in the absence of atmospheric or thermal noise?
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0
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0
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January 2, 2026
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E7F10 - What aspect of receiver analog-to-digital conversion determines the maximum receive bandwidth of a direct-sampling software defined radio (SDR)?
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0
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0
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January 2, 2026
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E7F09 - Why is an anti-aliasing filter required in a decimator?
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0
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0
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January 2, 2026
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E7F08 - What is the function of decimation?
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0
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0
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January 2, 2026
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E7F07 - What function is performed by a Fast Fourier Transform?
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0
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0
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January 2, 2026
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E7F06 - What is the minimum number of bits required to sample a signal with a range of 1 volt at a resolution of 1 millivolt?
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0
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0
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January 2, 2026
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E7F05 - How frequently must an analog signal be sampled to be accurately reproduced?
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0
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0
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January 2, 2026
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E7F04 - Which method generates an SSB signal using digital signal processing?
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0
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0
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January 2, 2026
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E7F03 - What type of digital signal processing filter is used to generate an SSB signal?
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0
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0
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January 2, 2026
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E7F02 - What kind of digital signal processing audio filter is used to remove unwanted noise from a received SSB signal?
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0
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0
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January 2, 2026
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E7F01 - What is meant by "direct sampling" in software defined radios?
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0
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0
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January 2, 2026
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E7E11 - Which type of detector is used for demodulating SSB signals?
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0
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0
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January 2, 2026
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E7E10 - How does a diode envelope detector function?
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0
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0
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January 2, 2026
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E7E09 - What occurs when the input signal levels to a mixer are too high?
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0
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0
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January 2, 2026
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E7E08 - What are the principal frequencies that appear at the output of a mixer?
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0
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0
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January 2, 2026
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E7E07 - What is meant by the term "baseband" in radio communications?
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0
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0
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January 2, 2026
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E7E06 - Why is de-emphasis used in FM communications receivers?
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0
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0
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January 2, 2026
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E7E05 - What is added to an FM speech channel to boost the higher audio frequencies?
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0
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0
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January 2, 2026
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E7E04 - What is one way to produce a single-sideband phone signal?
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0
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0
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January 2, 2026
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E7E03 - What is a frequency discriminator?
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0
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0
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January 2, 2026
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E7E02 - What is the function of a reactance modulator?
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0
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0
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January 2, 2026
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E7E01 - Which of the following can be used to generate FM phone signals?
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0
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0
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January 2, 2026
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E7D15 - What is the purpose of a step-start circuit in a high-voltage power supply?
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0
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0
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January 2, 2026
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E7D14 - What is the purpose of connecting equal-value resistors across power supply filter capacitors connected in series?
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0
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0
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January 2, 2026
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E7D13 - Which of the following calculates power dissipated by a series linear voltage regulator?
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0
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0
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January 2, 2026
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E7D12 - What is the dropout voltage of a linear voltage regulator?
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0
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0
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January 2, 2026
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E7D11 - What is the purpose of an inverter connected to a solar panel output?
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0
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0
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January 2, 2026
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E7D09 - How is battery operating time calculated?
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0
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0
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January 2, 2026
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