Question:
The purpose of using a transmission line segment with a length of \( \lambda/4 \) in impedance matching is
The purpose of using a transmission line segment with a length of \( \lambda/4 \) in impedance matching is
Show Hint
A \( \lambda/4 \) transmission line can be used to match impedances by transforming the impedance seen at the load to match the source.
Updated On: May 5, 2025
- To introduce a phase shift of 90 degrees
- To provide a direct connection between the source and the load
- To transform the impedance seen by the load
- To minimize signal reflections at the load
Hide Solution
Verified By Collegedunia
The Correct Option is C
Solution and Explanation
A quarter-wavelength (\( \lambda/4 \)) transmission line acts as an impedance transformer, allowing impedance matching between the source and the load. This is because the characteristic impedance of the \( \lambda/4 \) line is related to the impedances of the source and the load in a specific way.
Was this answer helpful?
0
0
Top Questions on Transmission Lines
- Given that \( Z_0 = 50\Omega \), \( Z_L = (50 - j75)\Omega \), and \( P_i = 10 \) mW, find the power delivered to the load.
- GATE EC - 2025
- Electronics and Communication Engineering
- Transmission Lines
- In a transmission line with a characteristic impedance \( Z_0 \), what happens if the load impedance \( Z_L \) matches \( Z_0 \)?
- AP PGECET - 2024
- Electronics and Communication Engineering
- Transmission Lines
- Two insulator discs of identical capacitance value C make up a string for a 22kV, 50Hz, single-phase transmission line. If the pin-to-earth capacitance is also C, then the string efficiency is:
- AP PGECET - 2024
- Electrical Engineering
- Transmission Lines
- When an arbitrary length of any general transmission line, is terminated in an open circuit or a short circuit, its input impedance is determined completely by
- TANCET - 2024
- Electronics and Communication Engineering
- Transmission Lines
- On a radio frequency transmission line, the velocity of signals at a frequency of 125 MHz is \( 2.1 \times 10^8 \) m/sec. What is the wavelength of the signal on the line?
- TANCET - 2024
- Electronics and Communication Engineering
- Transmission Lines
View More Questions
Questions Asked in AP PGECET exam
- Starting from \( x_0 = 1 \), one step Newton-Raphson method in solving the equation \( x^3 + 3x - 7 = 0 \) gives the next value as
- AP PGECET - 2024
- Newton Raphson Method
- Peritectic reaction among the following is
- AP PGECET - 2024
- Peritectic Reaction
- In QAM, both ______ of a carrier frequency are varied.
- AP PGECET - 2024
- communication systems
- The following multiplexer gives the logic gate of a/an _____
- AP PGECET - 2024
- Multiplexers
- How many minimum number of flip-flops are required to make a mod-479 counter?
- AP PGECET - 2024
- Timers and counters
View More Questions