Related Questions

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
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
The bandwidth of a resonant filter is determined by the quality factor (Q) of the circuit and the resonant frequency.
A True
B False
The resonant frequency of a cavity resonator depends upon
A The mode of operation
B Its electrical dimensions
C Its physical dimensions
D The capacitor which tunes it
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 main frequency determining element of a klystron is
A The repeller voltage
B The accelerating voltage
C Its resonant cavity
D Its mode of operation
A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will
A increase
B decrease
C remain unaffected
D have its shape changed
In a parallel LC circuit, if the signal frequency is decreased below the resonant frequency, then ___________
A XL decreases and XC increases
B XL increases and XC decreases
C Line current becomes minimum
D None of the above
In a parallel LC circuit, if the input signal frequency is increased above resonant frequency then ___________
A XL increases and XC decreases
B XL decreases and XC increases
C Both XL and XC increase
D Both XL and XC decrease
The voltage gain of a tuned amplifier is ___________ at resonant frequency
A Minimum
B Maximum
C Half-way between maximum and minimum
D Zero

Next steps