What is twisted-pair cable and how does it reduce noise?
Understand the Problem
The question provides information about twisted-pair cables, explaining their structure and purpose in reducing electrical noise. It aims to help the reader understand what twisted-pair cables are and why they are used.
Answer
Twisted-pair cables reduce noise by canceling out electromagnetic interference through twisting.
Twisted-pair cables consist of two insulated copper wires twisted together, reducing noise by using a balanced circuit. The twisting ensures that noise currents induced by electric or magnetic fields are nearly equal and opposite, effectively canceling each other out.
Answer for screen readers
Twisted-pair cables consist of two insulated copper wires twisted together, reducing noise by using a balanced circuit. The twisting ensures that noise currents induced by electric or magnetic fields are nearly equal and opposite, effectively canceling each other out.
More Information
Twisted-pair cables are fundamental in telephone and Ethernet connections because they are cost-effective and help maintain signal integrity over long distances.
Tips
Ensure proper twisting: unequal twisting can result in ineffective noise cancellation.
Sources
- Twisted Pair - Wikipedia - en.wikipedia.org
- Twisted Pairs: Why are Wires Twisted? - Audio University - audiouniversityonline.com
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