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3-30. Which of the following formulas
apply(ies) when measuring swr with a
bridge?
1.
2.
3.
Both 1 and 2 above--use the one that
yields an swr ratio greater than 1 to 1
4.
3-31. The ideal impedance match between
transmitter and load is
1. 1 to 1
2. 2 to 1
3. 3 to 1
4. 4 to 1
3-32. When comparing vswr and iswr, which,
if any, of the following is the correct
ratio?
1. Vswr will exceed iswr by a minimum
of 100%
2. Vswr will exceed iswr by a minimum
of 50%
3. Vswr and iswr ratios will be equal
4. None of the above
3-33. Electrical losses caused by transmission
line deterioration are best measured using
which of the following pieces of
equipment?
1. A signal generator and a power meter
2. A signal generator and a frequency
counter
3. An swr meter and an oscilloscope
4. A frequency counter and a power
meter
3-34. If a 9.5 GHz, 20 watt signal is inserted
into a transmission line, approximately
what signal should be measured at the
other end of the transmission line?
1. 5 GHz, 10 watts
2. 5 GHz, 20 watts
3. 0 GHz, 10 watts
4. 0 GHz, 20 watts
3-35. To accurately determine transmission
line losses, you should perform insertion
losses at which of the following
frequencies?
1. Midrange of the transmission line’s
frequency spectrum
2. At the upper and lower entrances of
the transmission line’s frequency
spectrum
3. Across the entire frequency spectrum
of the transmission line
4. Midrange of the transmission line’s
frequency spectrum, plus and minus
10 kHz
3-36. Which of the following transmission line
specifications is/are considered
important?
1. Frequency
2. Characteristic impedance
3. Power-handling capabilities
4. All of the above
3-37. Mixing two or more frequencies across a
nonlinear device produces which of the
following signals?
1. Crosstalk
2. Intermodulation distortion
3. Single sideband (ssb) transmission
4. Undesirable carrier frequency
deviation
