WorksheetsMicrowaves
Total questions: 10
Worksheet time: 5mins
Microwave is the region in the electromagnetic wave spectrum in the frequency range
of about
1GHz to 100 GHz
1 MHz to 50 MHz
25 MHz to 100 Hz
none of these.
An example for active microwave device is
Klystron
Resonator
Circulator
directional coupler.
Which of the following is not used for generating microwaves
travelling wave tube.
Klystron
magnetron
Hartley Oscillator
The number of pn junctions in a Gunn diode
one
three
two
zero
microwave band used in oven
10.2cm
12.2cm
11.2cm
12.3cm
The Ku-Band as defined by IEEE is a frequency range from
(a)
The progressive decrease of signal strength with increasing distance is called
a) radiation
b) modulation
c) attenuation
d) propagation
Duplexer is......
oscillator
microwave switch
amplifier
active device
The minimum doppler shift is...
infinity
transmitter frequency
zero
100KHz
Echo is.....
transmitted signal
modulated signal
demodulated signal
reflected signal
