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Questions and Answers
What is the primary objective of the experiment?
What is the primary objective of the experiment?
- To observe the effects of different frequencies on transmission lines.
- To familiarize with the standing wave pattern for different types of loads. (correct)
- To measure the power supply efficiency.
- To calculate the voltage across various components.
Which of the following is not included in the list of apparatus?
Which of the following is not included in the list of apparatus?
- Signal generator (correct)
- Short load
- Gunn Power Supply
- VSWR meter
Which element in the setup is responsible for modulating the signal?
Which element in the setup is responsible for modulating the signal?
- PIN Modulator (correct)
- Variable Attenuator
- Isolator
- Gunn Oscillator
What should the Gunn bias voltage be before powering on the setup?
What should the Gunn bias voltage be before powering on the setup?
What type of load is used to terminate the line in this experiment?
What type of load is used to terminate the line in this experiment?
At the end of the experiment, what should be done with the Gunn bias voltage?
At the end of the experiment, what should be done with the Gunn bias voltage?
What is the importance of the slotted wave guide in this experiment?
What is the importance of the slotted wave guide in this experiment?
Which measurement device is used to analyze the voltage standing wave ratio (VSWR)?
Which measurement device is used to analyze the voltage standing wave ratio (VSWR)?
Flashcards
Standing wave pattern
Standing wave pattern
A pattern of alternating high and low intensities of a wave along a transmission line, caused by the interference of incident and reflected waves.
Transmission line
Transmission line
A system for transmitting electromagnetic waves, often used in microwave circuits.
Open-circuited line
Open-circuited line
A transmission line with an open end, leading to maximum reflection.
Short-circuited line
Short-circuited line
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Resistive load
Resistive load
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VSWR meter
VSWR meter
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Microwave Test Bench
Microwave Test Bench
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Gunn Diode
Gunn Diode
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Study Notes
Experiment Details
- Experiment Number: 3
- Module: 3
- Title: Plotting of Standing Wave Pattern
- Objective: To understand and become familiar with standing wave patterns for different types of loads (short, capacitive/inductive, open) on a transmission line
Equipment List
- Gunn Power Supply
- Gunn Oscillator
- PIN Modulator
- Isolator
- Frequency Meter
- Variable Attenuator
- Slotted Waveguide with Detector Probe
- VSWR Meter
- Short Load
- Inductive Load
Basic Block Diagram
- Gunn Power Supply -> Gunn Oscillator -> PIN Modulator -> Isolator -> Slotted Waveguide -> Variable Attenuator -> Frequency Meter -> Detector Probe -> DSO/VSWR Meter
Precautions
- Ensure complete sincerity and precision in the experiment
- Set the Gunn bias voltage to zero before starting the experiment
- Turn on the Gunn power supply
- Gradually increase the Gunn bias voltage to 9.5V
- Conduct the experiment
- At the end, decrease the Gunn bias voltage back to zero and turn off the system
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