Waveshape
In a sinusoidal waveform, what is the distance from zero to the maximum value of an alternation called?
Amplitude
What is a multivibrator circuit that has no steady state and is also sometimes referred to as “free running”?
Astable multivibrator
Which type of waveform generator is used to provide a linear increase in current through a coil?
Trapezoidal generator
What is the angle measured from a true north heading to a target called?
True bearing
What determines a radar receiver's ability to detect minimal strength echo signals?
Sensitivity
What is the length of a pulse measured in time called?
Pulse width
What is a multivibrator circuit that has two stable states and is sometimes referred to as a “flip flop” circuit?
Bistable multivibrator
What type of waveform is needed for a CRT monitor that uses Electromagnetic deflection of an electron beam?
Trapezoidal waveform
What is the angle measured from a ship’s centerline to a target called?
Relative Bearing
Three dimensional (3D) search radar systems are able to obtain what information about a target?
Range, bearing and altitude
What is the term for the number of complete cycles per second in a generated waveform?
Frequency
Which non-sinusoidal generator/oscillator is used for electrostatic deflection of an electron beam in a CRT?
Sawtooth generator
A frequency other than the resonant frequency of a tank circuit that is present in an oscillator circuit and is a multiple of the resonant frequency.
Harmonic
What is the name given to the time it takes radar signal energy to travel one nautical mile and then return? How long does this take?
“Radar range mile”
12.36 μsec
(6.18 μsec out + 6.18 μsec back)
What type of radar system is used as a navigational aid to avoid land or bad weather?
Surface -Search radar
What is the formula that shows the time relationship in a RC/RL waveshaping circuit?
TC ÷ PW
or
RC time ÷ PW
or
RL time ÷ PW
What is the voltage that causes the movement of an electron beam across an electrostatic CRT?
Sweep Voltage
this term describes the power loss that causes the amplitude of an oscillator circuit to decrease.
Damping
What are the two factors that determine a radar system’s minimum range?
Pulse width and recovery time
This radar subsystem generates short RF pulses at specific intervals.
Transmitter
What is a Multivibrator circuit that has only one steady state and is sometimes called a one-shot multivibrator?
Monostable Multivibrator
What determines the physical distance the electron beam moves across the face of a CRT?
Peak voltage
What is the output component of an RC integrator circuit?
Capacitor
What determines the maximum range a radar pulse can travel an still return a usable echo?
Peak power
Two important characteristics of a radar antenna.
Directivity and power gain