
F023 TAv 23 - Radar EO23.02
Authored by Neil Kipling
Other
Professional Development
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
True or False:
Conventional components such as transistor amplifiers are effected by radiation losses when dealing with frequencies above 3 GHz
True
False
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The 'Lecher Bar' is an RF transmission line that behaves like a parallel tuned circuit at a distance ________ from the termination.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
True or False:
The frequency of a Resonant Cavity is dependent upon the size, as such it has a very wide bandwidth.
False
True
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Select all the shapes below that are used to form resonant cavities
Cylindrical
Rectangular
Rhumbatron
Pyramidal
Spherical
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resonant Cavity Coupling can be achieved using Loop Coupling which interacts with:
the H (magnetic) field
the E (electric) field
the Wall Currents
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
True or False:
Radar Frequency amplifiers and oscillators rely on velocity modulation.
Velocity modulation varies the velocity of electrons that make up the current in the device, rather than their numbers.
True
False
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these characteristics are not associated with a Cavity Magnetron.
uses an odd number of resonant cavities
has a narrow bandwidth
it is a high power RF oscillator
Very noisy internally
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