Which of the following factors most affects the accuracy of a frequency counter?

1. A Input attenuator accuracy
2. B Time base accuracy
3. C Decade divider accuracy
4. D Temperature coefficient of the logic

What is the significance of voltmeter sensitivity expressed in ohms per volt?

1. A The full scale reading of the voltmeter multiplied by its ohms per volt rating is the input impedance of the voltmeter
2. B The reading in volts multiplied by the ohms per volt rating will determine the power drawn by the device under test
3. C The reading in ohms divided by the ohms per volt rating will determine the voltage applied to the circuit
4. D The full scale reading in amps divided by ohms per volt rating will determine the size of shunt needed

Which S parameter is equivalent to forward gain?

1. A S11
2. B S12
3. C S21
4. D S22

Which S parameter represents input port return loss or reflection coefficient (equivalent to VSWR)?

1. A S11
2. B S12
3. C S21
4. D S22

What three test loads are used to calibrate an RF vector network analyzer?

1. A 50 ohms, 75 ohms, and 90 ohms
2. B Short circuit, open circuit, and 50 ohms
3. C Short circuit, open circuit, and resonant circuit
4. D 50 ohms through 1/8 wavelength, 1/4 wavelength, and 1/2 wavelength of coaxial cable

How much power is being absorbed by the load when a directional power meter connected between a transmitter and a terminating load reads 100 watts forward power and 25 watts reflected power?

1. A 100 watts
2. B 125 watts
3. C 112.5 watts
4. D 75 watts

What do the subscripts of S parameters represent?

1. A The port or ports at which measurements are made
2. B The relative time between measurements
3. C Relative quality of the data
4. D Frequency order of the measurements

Which of the following can be used to determine the Q of a series-tuned circuit?

1. A The ratio of inductive reactance to capacitive reactance
2. B The frequency shift
3. C The bandwidth of the circuit's frequency response
4. D The resonant frequency of the circuit

Which of the following can be measured by a two-port vector network analyzer?

1. A Phase noise
2. B Filter frequency response
3. C Pulse rise time
4. D Forward power

Which of the following methods measures intermodulation distortion in an SSB transmitter?

1. A Modulate the transmitter using two RF signals having non-harmonically related frequencies and observe the RF output with a spectrum analyzer
2. B Modulate the transmitter using two AF signals having non-harmonically related frequencies and observe the RF output with a spectrum analyzer
3. C Modulate the transmitter using two AF signals having harmonically related frequencies and observe the RF output with a peak reading wattmeter
4. D Modulate the transmitter using two RF signals having harmonically related frequencies and observe the RF output with a logic analyzer

Which of the following can be measured with a vector network analyzer?

1. A Input impedance
2. B Output impedance
3. C Reflection coefficient
4. D All these choices are correct