Transmission lines/lc circuits

In summary, the lab on pulses in cables involves a series of parallel lc circuits that transmit the pulse back and forth along the transmission line. However, the exact functioning of these circuits together is not clear. It is recommended to refer to the "Telegrapher's Equations" and related resources to gain a better understanding of this concept.
  • #1
wakko101
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I'm currently doing a lab on pulses in cables. The instructions describe the transmission line as a series of parallel lc circuits that transmit the pulse back and forth along the line, but I'm not sure I understand exactly how it works. I understand how an individual lc circuit works, but I'm unsure about how they are acting together in the transmission line.

Can anyone provide some insight into this?

Cheers,
W. =)
 
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  • #2
wakko101 said:
I'm currently doing a lab on pulses in cables. The instructions describe the transmission line as a series of parallel lc circuits that transmit the pulse back and forth along the line, but I'm not sure I understand exactly how it works. I understand how an individual lc circuit works, but I'm unsure about how they are acting together in the transmission line.

Can anyone provide some insight into this?

Cheers,
W. =)

Have you learned about the "Telegrapher's Equations" yet? Here's a link -- your text should have these equations as well:

http://en.wikipedia.org/wiki/Transmission_line

(note: the wikipedia.org site is not necessarily accurate or stable, especially on more complex technical and Physics-related topics. On this EE topic, it's pretty reliable and stable, especially if you follow the links in it to verify and further your understanding.)
 

1. What is a transmission line?

A transmission line is a structure or medium that is used to transfer electrical signals or power from one point to another. It is typically made of conductive materials and is used to minimize signal loss and distortion.

2. How do transmission lines work?

Transmission lines work by using the principles of electromagnetism. When an electrical signal travels through a transmission line, it induces a magnetic field around the line, which in turn creates an electric field that carries the signal to the receiving end.

3. What is an LC circuit?

An LC circuit is a type of electrical circuit that consists of an inductor (L) and a capacitor (C) connected in parallel or in series. It is used to store and oscillate energy at a specific resonant frequency.

4. What is the importance of impedance matching in transmission lines?

Impedance matching is important in transmission lines because it helps to minimize signal reflections and maximize power transfer. It ensures that the load impedance matches the characteristic impedance of the transmission line, resulting in efficient signal transmission.

5. How are transmission lines and LC circuits related?

Transmission lines and LC circuits are related because transmission lines are often used to connect and transfer signals between LC circuits. The characteristic impedance of the transmission line is designed to match the impedance of the LC circuit for optimal signal transfer.

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