WorksheetsMIcrowave Lab_C section_S1
Total questions: 13
Worksheet time: 6mins
An isolator in a microwave circuit is primarily used to:
Amplify the signal
Prevent signal reflection back to the source
Split power equally
Measure impedance
Which type of Tee junction allows power to flow in only one direction from the main waveguide?
E Plane Tee
H Plane Tee
Magic Tee
Rat race coupler
Which of the following is a key advantage of a horn antenna?
High power amplification
Wide bandwidth and low VSWR
Compact size
Low cost
In microwave filters, what does a lowpass filter do?
Blocks all frequencies
Allows a specific range of frequencies to pass
Attenuates low frequencies only
Allows a low frequencies to pass
What does VSWR (Voltage Standing Wave Ratio) indicate in a microwave system?
Power amplification
Impedance mismatch
Frequency stability
Signal attenuation
What is the typical frequency range of X-band waveguides?
4000–8000 MHz
8000MHz - 12000 MHz
12–18 GHz
18–26 GHz
Which of the following are characteristics of a reflex klystron?
(Select all that apply)
It operates as an oscillator
It has multiple resonant cavities
It uses velocity modulation
It is used for high-power amplification
Which of the following are properties of a microwave isolator?
(Select all that apply)
Allows signal transmission in one direction
Absorbs power in the reverse direction
Increases signal gain
Uses ferrite material
Which of the following are true about X-band waveguides?
(Select all that apply)
They support TE10 as the dominant mode
They are used in weather radar
They have lower loss than coaxial cables at X-band frequencies
They can propagate TEM mode
The inner dimensions of an X-band WR-90 waveguide are approximately:
0.9 x 0.4 inches
1.0 x 0.5 inches
0.75 x 0.375 inches
1.122 x 0.497 inches
Which of the following are applications of a directional coupler?
(Select all that apply)
Signal sampling
Power monitoring
Antenna feeding
Impedance matching
Which of the following are methods to measure impedance in microwave systems?
(Select all that apply)
Using a slotted line
Using a network analyzer
Using a power meter
Using a Smith chart
Which of the following are design considerations for microwave filters?
(Select all that apply)
Passband ripple
Stopband attenuation
Insertion loss
Power gain
