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logseq/bak/pages/E9G/2025-05-01T20_36_29.902Z.Desktop.md
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E9G The Smith chart
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- [[E9G01]] (A)
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Which of the following can be calculated using a Smith chart?
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- [[A.]] Impedance along transmission lines
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- [[B.]] Radiation resistance
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- [[C.]] Antenna radiation pattern
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- [[D.]] Radio propagation
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--
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- [[E9G02]] (B)
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What type of coordinate system is used in a Smith chart?
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- [[A.]] Voltage circles and current arcs
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- [[B.]] Resistance circles and reactance arcs
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- [[C.]] Voltage chords and current chords
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- [[D.]] Resistance lines and reactance chords
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--
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- [[E9G03]] (C)
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Which of the following is often determined using a Smith chart?
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- [[A.]] Beam headings and radiation patterns
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- [[B.]] Satellite azimuth and elevation bearings
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- [[C.]] Impedance and SWR values in transmission lines
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- [[D.]] Point-to-point propagation reliability as a function of frequency
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--
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- [[E9G04]] (C)
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What are the two families of circles and arcs that make up a Smith chart?
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- [[A.]] Inductance and capacitance
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- [[B.]] Reactance and voltage
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- [[C.]] Resistance and reactance
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- [[D.]] Voltage and impedance
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--
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- [[E9G05]] (A)
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Which of the following is a common use for a Smith chart?
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- [[A.]] Determine the length and position of an impedance matching stub
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- [[B.]] Determine the impedance of a transmission line, given the physical dimensions
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- [[C.]] Determine the gain of an antenna given the physical and electrical parameters
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- [[D.]] Determine the loss/100 feet of a transmission line, given the velocity factor and conductor materials
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--
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- [[E9G06]] (B)
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On the Smith chart shown in Figure E9-3, what is the name for the large outer circle on which the reactance arcs terminate?
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- [[A.]] Prime axis
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- [[B.]] Reactance axis
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- [[C.]] Impedance axis
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- [[D.]] Polar axis
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--
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- [[E9G07]] (D)
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On the Smith chart shown in Figure E9-3, what is the only straight line shown?
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- [[A.]] The reactance axis
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- [[B.]] The current axis
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- [[C.]] The voltage axis
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- [[D.]] The resistance axis
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--
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- [[E9G08]] (C)
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How is a Smith chart normalized?
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- [[A.]] Reassign the reactance axis with resistance values
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- [[B.]] Reassign the resistance axis with reactance values
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- [[C.]] Reassign the prime center’s impedance value
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- [[D.]] Reassign the prime center to the reactance axis
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--
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- [[E9G09]] (A)
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What third family of circles is often added to a Smith chart during the process of designing impedance matching networks?
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- [[A.]] Constant-SWR circles
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- [[B.]] Transmission line length circles
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- [[C.]] Coaxial-length circles
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- [[D.]] Radiation-pattern circles
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--
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- [[E9G10]] (D)
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What do the arcs on a Smith chart represent?
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- [[A.]] Frequency
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- [[B.]] SWR
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- [[C.]] Points with constant resistance
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- [[D.]] Points with constant reactance
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--
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- [[E9G11]] (B)
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In what units are the wavelength scales on a Smith chart calibrated?
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- [[A.]] In fractions of transmission line electrical frequency
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- [[B.]] In fractions of transmission line electrical wavelength
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- [[C.]] In fractions of antenna electrical wavelength
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- [[D.]] In fractions of antenna electrical frequency
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logseq/bak/pages/E9G/2025-05-01T20_36_51.635Z.Desktop.md
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logseq/bak/pages/E9G/2025-05-01T20_36_51.635Z.Desktop.md
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E9G The Smith chart
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- [[E9G01]] (A)
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Which of the following can be calculated using a Smith chart? #card
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- [[A.]] Impedance along transmission lines
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- [[B.]] Radiation resistance
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- [[C.]] Antenna radiation pattern
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- [[D.]] Radio propagation
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--
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- [[E9G02]] (B)
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What type of coordinate system is used in a Smith chart? #card
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- [[A.]] Voltage circles and current arcs
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- [[B.]] Resistance circles and reactance arcs
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- [[C.]] Voltage chords and current chords
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- [[D.]] Resistance lines and reactance chords
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--
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- [[E9G03]] (C)
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Which of the following is often determined using a Smith chart? #card
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- [[A.]] Beam headings and radiation patterns
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- [[B.]] Satellite azimuth and elevation bearings
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- [[C.]] Impedance and SWR values in transmission lines
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- [[D.]] Point-to-point propagation reliability as a function of frequency
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--
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- [[E9G04]] (C)
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What are the two families of circles and arcs that make up a Smith chart? #card
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- [[A.]] Inductance and capacitance
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- [[B.]] Reactance and voltage
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- [[C.]] Resistance and reactance
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- [[D.]] Voltage and impedance
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--
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- [[E9G05]] (A)
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Which of the following is a common use for a Smith chart? #card
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- [[A.]] Determine the length and position of an impedance matching stub
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- [[B.]] Determine the impedance of a transmission line, given the physical dimensions
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- [[C.]] Determine the gain of an antenna given the physical and electrical parameters
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- [[D.]] Determine the loss/100 feet of a transmission line, given the velocity factor and conductor materials
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--
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- [[E9G06]] (B)
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On the Smith chart shown in Figure E9-3, what is the name for the large outer circle on which the reactance arcs terminate? #card
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- [[A.]] Prime axis
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- [[B.]] Reactance axis
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- [[C.]] Impedance axis
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- [[D.]] Polar axis
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--
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- [[E9G07]] (D)
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On the Smith chart shown in Figure E9-3, what is the only straight line shown? #card
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- [[A.]] The reactance axis
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- [[B.]] The current axis
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- [[C.]] The voltage axis
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- [[D.]] The resistance axis
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--
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- [[E9G08]] (C)
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How is a Smith chart normalized? #card
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- [[A.]] Reassign the reactance axis with resistance values
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- [[B.]] Reassign the resistance axis with reactance values
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- [[C.]] Reassign the prime center’s impedance value
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- [[D.]] Reassign the prime center to the reactance axis
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--
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- [[E9G09]] (A)
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What third family of circles is often added to a Smith chart during the process of designing impedance matching networks? #card
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- [[A.]] Constant-SWR circles
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- [[B.]] Transmission line length circles
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- [[C.]] Coaxial-length circles
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- [[D.]] Radiation-pattern circles
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--
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- [[E9G10]] (D)
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What do the arcs on a Smith chart represent? #card
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- [[A.]] Frequency
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- [[B.]] SWR
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- [[C.]] Points with constant resistance
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- [[D.]] Points with constant reactance
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--
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- [[E9G11]] (B)
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In what units are the wavelength scales on a Smith chart calibrated? #card
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- [[A.]] In fractions of transmission line electrical frequency
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- [[B.]] In fractions of transmission line electrical wavelength
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- [[C.]] In fractions of antenna electrical wavelength
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- [[D.]] In fractions of antenna electrical frequency
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