Podcast
Questions and Answers
What is a primary disadvantage of unbalanced transmission lines?
What is a primary disadvantage of unbalanced transmission lines?
- More complicated installation process
- Reduced immunity to common-mode signals (correct)
- Higher cost compared to balanced lines
- Lower data transfer rates
Why does a small potential difference exist between any two points on the ground wire?
Why does a small potential difference exist between any two points on the ground wire?
- Improper grounding techniques
- Presence of transformers
- High frequency signals
- Resistance, inductance, and capacitance of the wire (correct)
Which type of transmission line requires only one ground line no matter how many signals are grouped into one conductor?
Which type of transmission line requires only one ground line no matter how many signals are grouped into one conductor?
- Twisted pair transmission lines
- Unbalanced transmission lines (correct)
- Balanced transmission lines
- Coaxial transmission lines
What circuit device is used to connect a balanced transmission line to an unbalanced load?
What circuit device is used to connect a balanced transmission line to an unbalanced load?
How can an unbalanced coaxial transmission line be connected to a balanced load like an antenna?
How can an unbalanced coaxial transmission line be connected to a balanced load like an antenna?
What is the primary advantage of unbalanced transmission lines over balanced ones?
What is the primary advantage of unbalanced transmission lines over balanced ones?
In a balanced wire pair, common-mode interference induces noise equally in both wires, resulting in:
In a balanced wire pair, common-mode interference induces noise equally in both wires, resulting in:
What is the term used to describe the cancellation of common-mode signals in a balanced transmission line?
What is the term used to describe the cancellation of common-mode signals in a balanced transmission line?
What is a key requirement for a pair of wires to operate in balanced mode?
What is a key requirement for a pair of wires to operate in balanced mode?
What is the primary difference between a balanced transmission line and an unbalanced transmission line?
What is the primary difference between a balanced transmission line and an unbalanced transmission line?
Why is the shield of a coaxial cable connected to ground?
Why is the shield of a coaxial cable connected to ground?
What does the term 'single-ended signal transmission' refer to?
What does the term 'single-ended signal transmission' refer to?
What is the main difference between balanced and unbalanced transmission lines?
What is the main difference between balanced and unbalanced transmission lines?
In a balanced transmission line system, how are the signal currents distributed?
In a balanced transmission line system, how are the signal currents distributed?
What defines differential (balanced) signal transmission on a two-wire balanced line?
What defines differential (balanced) signal transmission on a two-wire balanced line?
Why are balanced transmission lines less susceptible to external interference compared to unbalanced lines?
Why are balanced transmission lines less susceptible to external interference compared to unbalanced lines?
What characteristic of a transverse wave indicates the displacement and velocity as it propagates down a transmission line?
What characteristic of a transverse wave indicates the displacement and velocity as it propagates down a transmission line?
When measuring voltage in a balanced transmission line, why does it fluctuate from zero to maximum positive, back to zero, and then to maximum negative?
When measuring voltage in a balanced transmission line, why does it fluctuate from zero to maximum positive, back to zero, and then to maximum negative?
