coaxial cable

Essay specific features

 

Issue:

Technology

 

Written by:

Susan K

 

Date added:

August 28, 2015

 

Level:

University

 

Grade:

B

 

No of pages / words:

4 / 1065

 

Was viewed:

2309 times

 

Rating of current essay:

 
Essay content:

Sometimes DC power (called bias) is added to the signal to supply the equipment at the other end, as in direct broadcast satellite receivers. Because the electromagnetic field carrying the signal exists (ideally) only in the space between the inner and outer conductors, it cannot interfere with or suffer interference from external electromagnetic fields...
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Rigid types have a solid sheath, while flexible types have a braided sheath, both usually of thin copper wire. The inner insulator, also called the dielectric, has a significant effect on the cable's properties, such as its characteristic impedance and its attenuation. The dielectric may be solid or perforated with air spaces...
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