Related Questions

Klystron oscillators are most often used in the frequency range of
A 300 to 3000 MHz
B 3000 to 30000 MHz
C 30 to 30000 MHz
D 10 to 10000 MHz
The coarse frequency adjustment of a reflex klystron is accomplished by
A The AFC system
B Adjusting the flexible wall of the resonant cavity
C An adjustment in the synchronizer
D Varying the repeller voltage
A reflex klystron is oscillating at the frequency of its resonant cavity. If the reflector voltage is made slightly less negative, the
A Oscillation will cease
B Output power would increase
C The frequency will decrease
D Bunching would occur earlier in time
Oscillators of a klystron tube are maintained
A By bunches of electrons passing the cavity grids
B By plate-to-cathode feedback
C By feedback between the accelerating grid and the repeller
D By circulating bunches of electrons within the cavities.
As the electron beam moves through a klystron’s intercavity drift space
A Frequency modulation at the input cavity creates velocity modulation at the output cavity
B Velocity modulation at the input cavity creates density modulation at the output cavity
C Density modulation at the input cavity creates velocity modulation at the output cavity
D Phase modulation at the input cavity creates velocity modulation at the output cavity.
In an SHF pulsed radar set, a reflex klystron can be used as a
A Single mixer stage
B Local oscillator
C Transmitter oscillator
D Duplexer stage
Identify the sentence in which the word element (s) refers to 'suitable or favourable environment. (1) There is an element of truth in your story. (2) Water is composed of elements of hydrogen and oxygen. (3) I feel out of my elements in political discussions. (4) Water is a natural element for fish
A (4)
B (3)
C (1) and (2)
D (1)
The __________ element must reference either an ‘altGlyphDef’ element or a ‘glyph’ element.
A href
B src
C animate
D altGlyph
The frequency generated by each decade in a direct frequency synthesizer is much higher than the frequency shown; this is done to
A Reduce the spurious frequency problem
B Increase the frequency stability of the synthesizer
C Reduce the number of decades
D Reduce the number of crystals required
In a phase shift oscillator, the frequency determining elements are ___________
A L and C
B R, L and C
C R and C
D None of the above

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